Energy in the United States - Wikipedia Energy in the United States From Wikipedia, the free encyclopedia Jump to navigation Jump to search Overview of energy in the United States This article may be in need of reorganization to comply with Wikipedia's layout guidelines. Please help by editing the article to make improvements to the overall structure. (March 2019) (Learn how and when to remove this template message) Pumping rig at the Sergeant Major well in McKenzie County, North Dakota United States total primary energy consumption by fuel in 2018[1]   Petroleum (36%)   Natural gas (31%)   Coal (13%)   Nuclear (8%)   Renewable energy (11%) Energy in the United States comes mostly from fossil fuels: in 2010, data showed that 25% of the nation's energy originates from petroleum, 22% from coal, and 22% from natural gas. Nuclear power supplied 8.4% and renewable energy supplied 8%,[2] mainly from hydroelectric dams and biomass; however, this also includes other renewable sources like wind, geothermal, and solar.[3] Data from 2019 shows that 37% of the nation's energy originates from petroleum, 32% from natural gas, 11% from coal, 11% from renewable energy, and 8% from nuclear power.[4] The United States was the second-largest energy consumer in 2010 after China.[5] The country is ranked seventh in energy consumption per capita after Canada and several small nations.[6][7] As of 2006, the country's energy consumption had increased more rapidly than domestic energy production over the last 50 years in the nation (when they were roughly equal). This difference was largely met through imports.[8] Not included is the significant amount of energy used overseas in the production of retail and industrial goods consumed in the United States. According to the Energy Information Administration's statistics, the per-capita energy consumption in the US has been somewhat consistent from the 1970s to the present time. The average was about 334 million British thermal units [BTU] (352 GJ) per person from 1980 to 2010. One explanation suggested that the energy required to increase the nation's consumption of manufactured equipment, cars, and other goods has been shifted to other countries producing and transporting those goods to the US with a corresponding shift of green house gases and pollution. In comparison, the world average increased from 63.7 to 75 million BTU (67.2 to 79.1 GJ) per person between 1980 and 2008. Contents 1 History 2 Summary 3 Primary energy consumption 3.1 Energy consumption by source 3.2 Petroleum 3.3 Gas 3.4 Coal 3.5 Hydroelectricity 3.6 Nuclear 3.7 Other renewables 4 Final energy consumption 4.1 Consumption by sector 4.2 Regional variation 5 Electricity 5.1 Consumption 5.2 Generation 5.3 Electricity generation by source 5.4 State electric characteristics 5.4.1 State electric generation 5.4.2 Top ten states by fuel source 5.4.3 Importing states 5.4.4 Exporting states 5.5 Renewable energy 5.6 Trends and projections 6 See also 7 References 8 Further reading 9 External links History[edit] US energy consumption by source, 1776–2016. Vertical axis is in quadrillion BTU. From its founding until the late 19th century, the United States was a largely agrarian country with abundant forests. During this period, energy consumption overwhelmingly focused on readily available firewood. Rapid industrialization of the economy, urbanization, and the growth of railroads led to increased use of coal, and by 1885 it had eclipsed wood as the nation's primary energy source.[citation needed] Coal remained dominant for the next seven decades, but by 1950, it was surpassed in turn by both petroleum and natural gas. The 1973 oil embargo precipitated an energy crisis in the United States.[9][10] In 2007, coal consumption was the highest it has ever been, with it mostly being used to generate electricity.[11] Natural gas has replaced coal as the preferred source of heating in homes, businesses, and industrial furnaces, which burns cleaner and is easier to transport.[citation needed] Although total energy use increased by approximately a factor of 50 between 1850 and 2000, energy use per capita increased only by a factor of four.[citation needed] As of 2009, United States per-capita energy use had declined to 7.075 tonnes of oil equivalent (296.2 GJ), 12% less than 2000, and in 2010, to levels not seen since the 1960s.[12] At the beginning of the 20th century, petroleum was a minor resource used to manufacture lubricants and fuel for kerosene and oil lamps. One hundred years later it had become the preeminent energy source for the United States and the rest of the world. This rise closely paralleled the emergence of the automobile as a major force in American culture and the economy. While petroleum is also used as a source for plastics and other chemicals, and powers various industrial processes, today two-thirds of oil consumption in the US is in the form of its derived transportation fuels.[13] Oil's unique qualities for transportation fuels in terms of energy content, cost of production, and speed of refueling all contributed to it being used over other fuels.[citation needed] In June 2010, the American Energy Innovation Council, a group which includes Bill Gates, founder of Microsoft; Jeffrey R. Immelt, chief executive of General Electric; and John Doerr,[14] has urged the government to more than triple spending on energy research and development—to $16 billion a year. Gates endorsed the administration's goal of reducing greenhouse gas emissions by 80% by 2050, but said that was not possible with today's technology or politicism. He said that the only way to find such disruptive new technology was to pour large sums of money at the problem.[citation needed] The group notes that the federal government spends less than $5 billion a year on energy research and development, not counting one-time stimulus projects. About $30 billion is spent annually on health research and more than $80 billion on military research and development.[citation needed] They advocate for a jump in spending on basic energy research.[15] Summary[edit] Energy in the United States[16] Population (million) Prim. energy (PJ) Production (PJ) Import (PJ) Electricity (PJ) CO2 emission (Mt) 2004 294.0 97,380 68,706 29,916 14,116 5,800 2007 302.1 97,970 69,718 29,891 14,807 5,769 2008 304.5 95,616 71,428 26,564 14,962 5,596 2009 307.5 90,558 70,607 23,404 14,263 5,195 2010 310.1 92,794 72,202 22,338 14,915 5,369 2012 312.0 91,742 74,725 19,159 14,857 5,287 2012R 314.3 89,622 75,632 15,696 14,648 5,074 2013 316.5 91,624 78,754 12,910 14,796 5,120 Change 2004–2010 5.5% -4.7% 5.1% -25.3% 5.7% -7.4% Mtoe = 41,868 TJ>, Prim. energy includes energy losses that are 2/3 for nuclear power[17] 2012R = CO2 calculation criteria changed, numbers updated US primary energy consumption by source and sector (2019)[18][19] Supply sources Percent of source Demand sectors Percent of sector Petroleum 36.2% 70% Transportation 24% Industrial 5% Residential and commercial 1% Electric power Transportation 28.1% 91% Petroleum 3% Natural gas 5% Renewable energy <1% Electric Power Natural gas 28.0% 3% Transportation 33% Industrial 27% Residential and commercial 36% Electric power Industrial 21.9% 34% Petroleum 40% Natural gas 4% Coal 9% Renewable energy 12% Electric Power Coal 13.9% 10% Industrial <1% Residential and commercial 91% Electric power Residential and commercial 10.4% 8.5% Petroleum 41.5% Natural gas <1% Coal 5% Renewable energy 45% Electric Power Renewable energy 11.0% 12% Transportation 22% Industrial 9% Residential and commercial 56% Electric power Electric power 37.2% 1% Petroleum 38% Natural gas 23% Coal 17% Renewable energy 20% Nuclear electric power Nuclear electric power 8.4% 100% Electric power Note: Sum of components may not equal 100% due to independent rounding. Primary energy consumption[edit] US energy flow, 2019. A quad is 1015 BTU, or 1.055 × 1018 joules (1.055 EJ). Note the breakdown of useful and waste energy in each sector (dark vs. light grey) due to the nature of heat engines, which cannot convert all thermal energy into useful work and consequently lose a portion of their heat to the environment. US primary energy consumption by source and sector, 2017. From the US Energy Information Administration (Department of Energy). Primary energy use in the United States was 90,558 petajoules [PJ] (25,155 TWh) or about 294,480 megajoules [MJ] (81,800 kWh) per person in 2009. Primary energy use was 3,960 PJ (1,100 TWh) less in the United States than in China in 2009. The share of energy import was 26% of the primary energy use. The energy import declined about 22% and the annual CO 2 emissions about 10% in 2009 compared to 2004.[20] Total primary energy consumption (Mtoe)[21] 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 1,914 1,929.6 1,967.5 2,000.9 2,041.3 2,067.3 2,118.4 2,140.7 2,167.2 2,215.9 2,269 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2010–2011 CAGR 2001-11 2,226 2,256 2,261 2,308 2,319 2,297 2,338 2,278 2,165 2,218 2,192 -1.1% -0.04% 2012 2013 2014 2015 2016 2017 2018 2,152 2,196 2,217 2.194 2,172 2,180 2,258 Energy consumption by source[edit] Energy consumption by source in 2006 (PJ) Fuel type United States[22] World[23] Oil 42,156 181,188 Gas 23,400 113,940 Coal 23,760 134,568 Hydroelectric 3,024 31,356 Nuclear 8,676 29,304 Geothermal, wind, solar, wood, waste 3,420 4,968 Total 105,336 498,276 Petroleum[edit] Main article: Petroleum in the United States Oil is one of the largest sources of energy in the United States. The United States influences world oil reserves for both growth and development.[24] As the 20th century progressed, petroleum gained increasing importance by providing heating and electricity to the commercial and industrial sectors. Oil was also used in transportation; first for railroads and later for motor vehicles.[25] As automobiles became more affordable, demand for oil quickly rose. Since the rise of the automobile industry, oil price, demand, and production have all increased as well. Between 1900 and 1980, fuel was directly correlated with Gross National Product (GNP). Furthermore, oil shocks have often coincided with recessions, and the government has responded to oil shocks in several ways.[26] In the 1920s, oil prices were peaking and many commentators believed that oil supplies were running out. Congress was confronted by requests to augment supplies, so a generous depletion allowance was enacted for producers in 1926, which increased investment returns substantially. This change induced additional exploration activity, and subsequently the discovery of large new oil reservoirs.[27] In the next decade the situation was reversed with prices low and dropping. This resulted in demands for more "orderly" competition and set minimum oil prices. Rather than repealing the previous policies enacted in the 1920s, Congress enacted a price-support system. Similar cycles have occurred in the 1950s and 1970s.[27] Gas[edit] Main article: Natural gas in the United States See also: List of natural gas-fired power stations in the United States Natural gas production, 1900–2013 Natural gas was the largest source of energy production in the United States in 2016, representing 33% of all energy produced in the country.[28] Natural gas has been the largest source of electrical generation in the United States since July 2015. The United States has been the world's largest producer of natural gas since 2009, when it surpassed Russia. US natural gas production achieved new record highs for each year from 2011 through 2015. Marketed natural gas production in 2015 was 28.8 trillion cubic feet (820 billion cubic metres), a 5.4% increase over 2014, and a 52% increase over the production of 18.9 trillion cu ft (540 billion m3) per day in 2005.[29] Because of the greater supply, consumer prices for natural gas are significantly lower in the United States than in Europe and Japan.[30] The low price of natural gas, together with its smaller carbon footprint compared to coal, has encouraged a rapid growth in electricity generated from natural gas. Between 2005 and 2014, US production of natural gas liquids (NGLs) increased 70%, from 1.74 million barrels of oil equivalent (10.6 PJ) per day in 2005 to 2.96 million barrels of oil equivalent (18.1 PJ) per day in 2014. The US has been the world's leading producer of natural gas liquids since 2010, when US NGL production passed that of Saudi Arabia. Although the United States leads the world in natural gas production, it is only fifth in proved reserves of natural gas, behind Russia, Iran, Qatar, and Turkmenistan. Coal[edit] Main article: Coal power in the United States See also: Coal mining in the United States and List of coal-fired power stations in the United States Generation of electricity is the largest user of coal, although its use is in decline. About 50% of electric power was produced by coal in 2005, declining to 30% in 2016 and 23% in 2019.[31][32]Electric utilities buy more than 90% of the coal consumed in the United States.[33] The United States is a net exporter of coal. Coal exports, for which Europe is the largest customer, peaked in 2012 and have declined since. In 2015, the US exported 7.0% of mined coal.[34] Coal has been used to generate electricity in the United States since an Edison plant was built in New York City in 1882.[35] The first AC power station was opened by General Electric in Ehrenfeld, Pennsylvania in 1902, servicing the Webster Coal and Coke Company.[35] By the mid-20th century, coal had become the leading fuel for generating electricity in the US. The long, steady rise of coal-fired generation of electricity shifted to a decline after 2007. The decline has been linked to the increased availability of natural gas, decreased consumption,[36] renewable electricity, and more stringent environmental regulations. The Environmental Protection Agency has advanced restrictions on coal plants to counteract mercury pollution, smog, and global warming. Hydroelectricity[edit] Main article: Hydroelectricity in the United States Hydroelectricity is mostly used for electricity production in the United States and in 2019 there were 1,460 utility scale hydropower facilities. These produced 274 billion kilowatthours. In 2019, it accounted for 6.6% of total electricity production and 38% of renewable electricity. The amount of electricity in the United States from hydropower has remained relatively the same since the 70's, however it's percentage has decreased due to more production from other sources. In 1950, 30% of total electricity production came from hydropower despite only 101 billion kilowatthours being produced.[37][38] Hydropower has been used to produce electricity in the United States since 1880 when it was used to power the Wolverine Chair factory in Grand Rapids, Michigan.[39] In 2019, the top five Hydroelectricity producing states produced 65% of the United States total hydroelectricity. This includes Washington state with 24%, California with 15%, New York with 11%, Oregon, with 11% and, Alabama with 4%. The largest hydroeletric power plant in the United States, which is also the largest overall power, is the Grand Coulee Dam built in Washington state in 1942 with a generating capacity of 6,809 Megawatts.[40] Nuclear[edit] Main article: Nuclear power in the United States This section is empty. You can help by adding to it. (June 2018) Other renewables[edit] Main article: Renewable energy in the United States This section is empty. You can help by adding to it. (June 2018) Final energy consumption[edit] Consumption by sector[edit] The US Department of Energy tracks national energy consumption in four broad sectors: industrial, transportation, residential, and commercial. The industrial sector has long been the country's largest energy user, currently representing about 33% of the total. Next in importance is the transportation sector followed by the residential and commercial sectors. Sector summary Sector name Description Major uses[41][42][43] Industrial Facilities and equipment used for producing and processing goods. 22% chemical production 16% petroleum refining 14% metal smelting/refining Transportation Vehicles which transport people/goods on ground, air, or water. 61% gasoline fuel 21% diesel fuel 12% aviation Residential Living quarters for private households. 32% space heating 13% water heating 12% lighting 11% air conditioning 8% refrigeration 5% electronics 5% wet-clean (mostly clothes dryers) Commercial Service-providing facilities and equipment (businesses, government, other institutions). 25% lighting 13% heating 11% cooling 6% refrigeration 6% water heating 6% ventilation 6% electronics Regional variation[edit] 2017 residential sector energy price estimates (U.S. dollars per million Btus) from the Energy Information Administration. States with residential sector energy price estimates higher than the United States as a whole in dark green.[44] Residential energy consumption per capita by state[45] Average annual residential electricity usage by city, 2000–2005. Measured in kWh per customer.[46] Household energy use varies significantly across the United States. An average home in the Pacific region (consisting of California, Oregon, and Washington) consumes 35% less energy than a home in the South Central region. Some of the regional differences can be explained by climate. The heavily populated coastal areas of the Pacific states experience generally mild winters and summers, reducing the need for both home heating and air conditioning. The warm, humid climates of the South Central and South Atlantic regions lead to higher electricity usage, while the cold winters experienced in the Northeast and North Central regions result in much higher consumption of natural gas and heating oil. The state with the lowest per-capita energy use is New York, at 205 million BTU (216 GJ; 60 MWh) per year,[47] and the highest is Wyoming, at slightly over 1 billion BTU (1,100 GJ; 290 MWh) per year.[48] Other regional differences stem from energy efficiency measures taken at the local and state levels. California has some of the strictest environmental laws and building codes in the country, leading its per-household energy consumption to be lower than all other states except Hawaii. The land-use decisions of cities and towns also explain some of the regional differences in energy use. Townhouses are more energy efficient than single-family homes because less heat, for example, is used per person. Similarly, areas with more homes in a compact neighborhood encourage walking, biking and transit, thereby reducing transportation energy use. A 2011 US EPA study found that multi-family homes in urban neighborhoods, with well-insulated buildings and fuel-efficient cars, use less than two-thirds of the energy used by conventionally built single-family houses in suburban areas (with standard cars).[49] Electricity[edit] Main article: Electricity sector of the United States This article may contain an excessive amount of intricate detail that may interest only a particular audience. Please help by spinning off or relocating any relevant information, and removing excessive detail that may be against Wikipedia's inclusion policy. (December 2020) (Learn how and when to remove this template message) The United States is the world's second largest producer and consumer of electricity.[50] It consumes about 20%[51] of the world's electricity supply. This section provides a summary of the consumption and generation of the nation's electric industry, based on data mined from US DOE Energy Information Administration/Electric Power Annual 2018 files.[52] Data was obtained from the most recent DOE Energy Information Agency (EIA) files. Consumption is detailed from the residential, commercial, industrial, and other user communities. Generation is detailed for the major fuel sources of coal, natural gas, nuclear, petroleum, hydro, and the other renewables of wind, wood, other biomass, geothermal, and solar. Changes to the electrical energy fuel mix and other trends are identified. Progress in wind and solar contributing to the energy mix are addressed. Consumption[edit] Electricity consumption in this section is based upon data mined from US DOE Energy Information Administration/Electric Power Annual 2018 files[53] In 2018 the total US consumption of electricity was 4,222.5 terawatt-hours (TWh) or 15201 PJ. Consumption was up from 2017, by 131.9 TWh (475 PJ) or +3.2%. This is broken down as: Residential customers (133.89 million) directly consumed 1,469.09 TWh (5289 PJ), or 34.74% of the total. This was up 90.5 TWh (326 PJ) or 6.5% from 2017. An average residential customer used 914 kWh (3290 MJ) per month and with the average US residential cost of $0.1287/kWh ($ 0.03575/MJ) the average monthly electrical bill would be $117.67, up slightly from 2017.[52] Commercial customers (18.605 million) directly consumed 1,381.76 TWh (4974 PJ) or 32.72% of the total. This was more (28.86 TWh or 104 PJ) than in 2017 with over 246K new customers. An average commercial customer used 6,189 kWh (22,280 MJ) per month and with the average US commercial electric cost of $0.1067/kWh ($0.0296/MJ) the average monthly electrical bill would be $660.36.[52] Industrial customers (840,321, flat with 2017) directly consumed 1000.7 TWh (3603 PJ) or 23.70% of the total. This was a little more (16.4 TWh or 59 PJ) than in 2017 (+1.6%). Transportation customers (83) directly consumed 7.665 TWh (27,594 MJ) or 0.18% of the total. This was a little higher (0.14 TWh or 1PJ) than in 2017. System loss throughout the total electrical grid infrastructure by direct use of the suppliers (144.1 TWh or 519 PJ)[54] and for transmission and other system losses and for unaccounted for loads (219.2 TWh or 789 PJ) amounts to 363.3 TWh (1308 PJ)or 8.6% of the total which is down by 0.4% from 2017. Thus, the US electric distribution system is 91.4% efficient and efficiency has improved slightly over the last year.[55] Ten-year consumption by user community, 2009–2018[56] 2018 electric energy consumption profile Residential, commercial and industrial US customers US Average Residential Costs per kWh 2018 per capita Electric Energy consumption by state A profile of the electric energy consumption[57] for 2018 is shown in one of the above graphs. The April minimum of 304 TWh (1,090 PJ) to the July peak of 416 TWh (1,500 PJ) shows the monthly range of consumption variations. In addition to consumption from the electrical grid, the US consumers consumed an estimated additional 35.04 TWh from small scale solar systems. This will be included in the per capita data below. Electricity consumption per capita is based upon data mined from US DOE Energy Information Administration/Electric Power Annual 2018 files[58] Population[59] data is from Demographics of the United States. Per-capita consumption in 2018 is 13,004 kWh (46,810 MJ). This is up 372 kWh (1,340 MJ) from 2017, down 4.6% from a decade ago, and down 6.4% from its peak in 2007. The following table shows the yearly US per-capita consumption from 2013 to 2019. Electricity per capita in the United States, 2013–2019 Year Population (Thousands) Per-capita consumption (kWh) 2019 328,940 12,772 2018 326,980 13,004 2017 325,719 12,632 2016 323,128 12,861 2015 320,897 12,915 2014 318,857 13,005 2013 316,129 13,010 Generation[edit] Power plants map 2009-2019 Profile of US Electric Energy by Fuel Source The United States has an installed summer electricity generation capacity of 1,084.37 GW in 2018, up 11.91 GW from 2017.[60] The US electricity generation was 4,178.08 TWh (15,041.1 PJ) in 2018.[61] The US also imported 58.26 TWh (209.7 PJ) and exported 13.805 TWh (49.70 PJ), for a total of 4,222.5 TWh (15,201 PJ) of electrical energy use in the US.[62] Electrical energy generated from coal was 1,149.49 TWh or 4,138.2 PJ (27.22%); natural and other gases, 1,482.20 TWh (35.11%); nuclear, 807.08 TWh or 2,905.5 PJ (19.11%); hydro, 292.52 TWh or 1,053.1 PJ (6.93%); Renewables (other than hydro), 413.30 TWh or 1,487.9 PJ (9.81%); imports less exports, 44.465 TWh or 160.07 PJ (1.05%); petroleum, 25.23 TWh or 90.8 PJ (0.60%); and miscellaneous (including pumped storage), 7.07 TWh or 25.5 PJ (0.17%). The US's renewable sources (hydro reported separately) are wind, 272.67 TWh or 981.6 PJ (6.46%); wood, 40.94 TWh or 147.4 PJ (0.97%); other biomass, 20.90 TWh or 75.2 PJ (0.49%); geothermal, 15.97 TWh or 57.5 PJ (0.38%) and solar, 63.83 TWh or 229.8 PJ (1.51%).[52] Small-scale solar is estimated to have produced an additional 29.54 TWh (106.3 PJ). Natural gas electricity generation exceeded generation from coal for the first time in 2016 and continued its expansion in 2018. The following tables summarize the electrical energy generated by fuel source for the United States. Preliminary data from Electric Power Monthly for the 2019 data[63] was used throughout the rest of this section. Electricity generation in the United States in 2019[64][65] Power Source Plants Summer Capacity (GW) % of total Capacity Capacity factor Annual Energy (billion kWh) % of Total US Coal 336 229.24 20.83% 0.481 966.15 23.24% Nat Gas+ 1900 479.14 43.54% 0.380 1595.45 38.38% Nuclear 60 98.07 8.91% 0.942 809.41 19.47% Hydro 1458 79.75 7.25% 0.392 273.71 6.58% Other Renewables 4667 156.82 14.25% 0.325 446.73 10.75% Petroleum 1087 32 2.91% 0.066 18.57 0.45% Other 171 2.56 0.23% 0.593 13.30 0.32% Storage 40 22.88 2.08% -0.026 -5.26 -0.13% Net Imports 39.04 0.94% Total 9719 1100.46 100.00% 0.432 4157.09 100.00% 2009–2019 US Electric Energy Generation by Renewables Electric production by renewables in 2019[63] Power Source Summer Capacity (GW) % of Renewable Capacity % of Total Capacity Capacity Factor Annual Energy (billion kWh) % of Renewable Energy % of US Generation Wind 103.58 43.78% 9.41% 0.331 300.07 41.65% 7.22% Hydro 79.75 33.71% 7.25% 0.392 273.71 37.99% 6.58% Solar 37.33 15.78% 3.39% 0.221 72.23 10.03% 1.74% Biomass 13.45 5.69% 1.22% 0.496 58.41 8.11% 1.41% Geothermal 2.46 1.04% 0.22% 0.743 16.01 2.22% 0.39% Total 236.57 100% 21.50% 0.348 720.43 100% 17.33% Note: Biomass includes wood and wood derived fuel, landfill gas, biogenic municipal solid waste and other waste biomass. Electricity generation by source[edit] 2018 Electric Energy Generation Profile Electricity generation by source (TWh per year)[61][66] Year Fossil fuel Nuclear Renewable Misc5 Total6 Coal Oil Gas1 Subtotal Hydro2 Geothermal Solar3 Wind Wood Bio4 other Subtotal 20197 966.148 18.567 1595.449 2580.164 809.409 273.707 16.011 72.234 300.071 39.851 18.561 720.435 47.085 4157.093 Proportion 20197 23.24% 0.45% 38.38% 62.07% 19.47% 6.58% 0.39% 1.74% 7.22% 0.96% 0.45% 17.33% 1.13% 100.0% 2018 1,149.49 25.23 1,482.40 2,657.11 807.08 292.52 15.97 63.83 272.67 40.94 20.90 706.82 51.53 4222.532 Proportion 2018 27.22% 0.60% 35.11% 62.93% 19.11% 6.93% 0.38% 1.51% 6.46% 0.97% 0.49% 16.74% 1.22% 100.0% 2017 1,205.84 21.39 1,308.89 2,536.12 804.95 300.33 15.93 53.29 254.30 41.15 21.61 686.61 62.90 4,090.58 Proportion 2017 29.48% 0.52% 32.00% 62.00% 19.68% 7.34% 0.39% 1.30% 6.22% 1.01% 0.53% 16.79% 1.54% 100.0% 2016 1,239.15 24.20 1,391.11 2,654.47 805.69 267.81 15.83 36.05 226.99 40.95 21.81 609.45 67.49 4,137.10 Proportion 2016 29.95% 0.59% 33.63% 64.16% 19.47% 6.47% 0.38% 0.87% 5.49% 0.99% 0.53% 14.73% 1.63% 100.0% 2015 1,352.40 28.25 1,346.60 2,727.25 797.18 249.08 15.92 24.89 190.72 41.93 21.70 544.24 75.61 4,144.27 Proportion 2015 32.63% 0.68% 32.49% 65.81% 19.24% 6.01% 0.38% 0.60% 4.6% 01.01% 0.52% 13.13% 1.82% 100.0% 2014 1,581.71 30.23 1,138.63 2,750.57 797.17 259.37 15.88 17.69 181.655 42.34 21.65 538.58 60.50 4,146.2 2013 1,581.12 27.16 1,137.69 2,745.97 789.02 268.57 15.78 9.04 167.84 40 20.83 522.07 55.64 4,112.7 2012 1,514.04 23.19 1,237.79 2,775.02 769.33 276.24 15.56 4.33 140.82 37.8 19.82 494.57 56.1 4095 2011 1,733.4 30.2 1,025.3 2,788.9 790.2 319.4 15.3 1.82 120.2 37.4 19.2 513.32 46 4138.4 2010 1,847.3 37.1 999.0 2,883.4 807.0 260.2 15.2 1.21 94.7 37.2 18.9 427.4 33.3 4,151.0 Proportion 2010 44.5% 0.9% 24.1% 69.5% 19.4% 6.3% 0.37% 0.029% 2.3% 0.9% 0.5% 10.3% 0.8% 100.0% 2009 1,755.9 38.9 931.6 2,726.5 798.9 273.4 15.0 0.89 73.9 36.1 18.4 417.7 41.4 3,984.4 2008 1,985.8 46.2 894.7 2,926.7 806.2 254.8 14.8 0.86 55.4 37.3 17.7 380.9 38.3 4,152.2 2007 2,016.5 65.7 910.0 2,992.2 806.4 247.5 14.6 0.61 34.5 39.0 16.5 352.7 36.6 4,188.0 2000 1,966 111 615 2,692 754 260 14 0.49 5.6 37.6 23 318.7 38.6 3,836 Proportion 2000 51.3% 2.9% 16.0% 70.2% 19.7% 7.2% 0.37% 0.013% 0.15% 1.0% 0.6% 9.3% 0.9% 100.0% 1999 1,881 118 57l 2,570 728 319.5 14.8 0.50 4.5 37 22.6 392.8 55 3,723.8 Notes: 1 Gas includes natural gas and other gases. 2 Hydro excludes pumped storage (not an energy source, used by all sources, other than hydro). 3 Solar includes photovoltaics and thermal. 4 Bio other includes waste, landfill gas, and other. 5 Misc. includes misc. generation, pumped storage, and net imports. 6 Total includes net imports. 7 2019 data is from Electric Power Monthly and is preliminary.[66] Profile of US Electric Generation by Coal 2020-2018 Profile of US Electric Generation by Natural Gas 2020-2018 Profile of US Electric Generation by Nuclear 2020-2018 Profile of US Electric Generation by Hydro 2020-2018 Profile of US Electric Generation by Wind 2020-2018 Profile of US Electric Generation for Utility Solar 2020-2018 State electric characteristics[edit] Individual states have very diverse electric generation systems, and their new initiatives to expand their generation base are equally diverse. Coupled with consumption disparages, it leads to a mix of "have" and "have not" electric energy states. Using the data from the US DOE Energy Information Administration/Electric Power Annual 2017 files.[67] Data was obtained from the most recent DOE Energy Information Agency (EIA) full year files.[68] Full use of the excellent EIA data browser[69] permits easy access to the plethora of data available. State electric generation[edit] 2018 States Electric Generation by Source (%) 2018 Total State Electric Energy Generation Top ten states by fuel source[edit] 2018 Top Ten States for Generation of Electricity by Coal 2018 Top Ten States for Generation of Electricity by Petroleum 2018 Top Ten States for Generation of Electricity by Natural and other Gases 2018 Top Ten States for Generation of Electricity by Nuclear 2018 Top Ten States for Generation of Electricity by Hydro 2018 Top Ten States for Generation of Electricity by Solar 2018 Top Ten States for Generation of Electricity by Wind 2018 Top Ten States for Generation of Electricity by Biomass Importing states[edit] States which had to import electricity in 2018 The following table, derived from data mined from Electric Power Annual,[70][71] identifies those states which must import electrical energy from neighboring states to meet their consumption needs. Each state's total electric generation for 2018 is compared with the state's consumption, and its share of the system loss and the difference between the generated electric energy and its total consumption (including its share of the system loss) is the amount of energy it imports. For Hawaii, total consumption equals generated energy. For the other states, multiplying their direct consumption by 1.082712997 (4168280574/3849848100), results in the US's supply (including net imports) being equal to its total consumption. Net-importer states in 2018[70][71] State Consumption Generation State imports Retail sales (MWh) Total usage (MWh) MWh % 2018 % 2017 Change CA 255,224,272 276,334,636 195,265,638 81,068,998 41.52% 37.12% ↓ OH 152,915,167 165,563,239 126,184,610 39,378,629 31.21% 34.77% ↓ VA 118,166,348 127,940,241 95,509,121 32,431,120 33.96% 35.53% ↑ MA 53,285,029 57,692,393 27,172,882 30,519,511 112.32% 79.16% ↓ TN 102,911,183 111,423,275 81,554,917 29,868,358 36.62% 35.16% ↓ NY 149,929,851 162,330,998 132,520,501 29,810,497 22.50% 24.40% ↑ MD 62,086,455 67,221,812 43,809,648 23,412,164 53.44% 91.06% ↑ GA 139,866,074 151,434,816 129,239,371 22,195,445 17.17% 15.05% ↓ NC 138,287,404 149,725,570 134,249,497 15,476,073 11.53% 12.40% ↔ FL 238,565,391 258,297,849 244,252,035 14,045,814 5.75% 7.45% ↑ MN 68,708,382 74,391,458 61,517,441 12,874,017 20.93% 25.59% ↑ DC 11,357,910 12,297,357 79,331 12,218,026 15401.33% 17836.59% ↑ WI 70,959,549 76,828,826 65,936,803 10,892,023 16.52% 16.58% ↔ ID 23,753,508 25,718,232 18,172,120 7,546,112 41.53% 50.28% ↑ NJ 76,016,762 82,304,336 75,033,600 7,270,736 9.69% 6.59% ↓ DE 11,773,100 12,746,888 6,240,644 6,506,244 104.26% 63.12% ↓ CO 56,450,480 61,119,668 55,386,279 5,733,389 10.35% 11.89% ↑ KY 76,610,636 82,947,331 78,804,497 4,142,834 5.26% 9.06% ↑ VT 5,530,948 5,988,429 2,178,915 3,809,514 174.84% 178.29% ↑ MO 82,055,835 88,842,919 85,095,384 3,747,535 4.40% 0.70%* ↓ ME 12,354,819 13,376,723 | 11,280,700 2,096,023 18.58% 9.38% ↓ SD 12,856,938 13,920,374 12,616,396 1,303,978 10.34% 23.72% ↑ NV 37,780,263 40,905,182 39,640,241 1,264,941 3.19% 5.43% ↑ AK 5,972,467 6,466,468 6,247,359 219,109 3.51% 4.60% ↑ SUM 1,963,418,771 2,125,819,022 1,727,987,930 397,831,092 *=Export Exporting states[edit] The following table, derived from data mined from Electric Power Annual,[70][71] identifies those states which generate more electrical energy than they need to meet their consumption needs. They supply those that need additional energy. Each state's total electric generation for 2018 is compared with the state's consumption, and its share of the system loses and the difference between the generated electric energy and its total consumption (including its share of the system losses) is the amount of energy it exports. For Hawaii, total consumption equals generated energy. For the other states, multiplying their direct consumption by 1.082712997 (4168280574/3849848100) results in the US's supply (including net imports) being equal to its total consumption usage. A state exported energy is determined by subtracting the state's total consumption from its generation. States which EXPORTED Electricity in 2018 Net-exporters states in 2018[70][71] State Generation Consumption State exports Retail sales (MWh) Total usage (MWh) MWh % 2018 % 2017 Change PA 215,385,830 148,976,731 161,299,043 54,086,787 25.11% 26.46% ↓ AL 145,057,994 90,280,456 97,747,823 47,310,171 32.61% 32.30% ↔ IL 188,003,357 142,654,808 154,454,215 33,549,142 17.84% 17.89% ↔ WV 67,249,025 33,646,813 36,429,842 30,819,183 45.83% 52.51% ↓ WY 46,112,136 16,864,678 18,259,606 27,852,530 60.40% 60.56% ↔ AZ 111,925,144 78,346,302 84,826,559 27,098,585 24.21% 19.40% ↑ ND 42,615,321 20,669,506 22,379,143 20,236,178 47.49% 46.68% ↔ WA 116,756,729 90,005,791 97,450,440 19,306,289 16.54% 12.84% ↑ TX 477,352,425 424,418,628 459,523,565 17,828,860 3.73% 2.48% ↑ OK 86,223,721 64,575,316 69,916,534 16,307,187 18.91% 9.86% ↑ AR 67,999,352 49,602,708 53,705,497 14,293,855 21.02% 16.68% ↑ MT 28,212,831 14,838,845 16,066,210 12,146,621 43.05% 42.73% ↔ SC 99,364,088 81,641,138 88,393,921 10,970,167 11.04% 7.81% ↑ OR 64,113,560 49,325,904 53,405,797 10,707,763 16.70% 12.32% ↑ MS 63,473,771 50,390,068 54,557,982 8,915,789 14.05% 12.01% ↑ CT 39,453,552 28,833,925 31,218,865 8,234,687 20.87% 10.56% ↑ IA 63,380,569 51,210,655 55,446,442 7,934,127 12.52% 7.18% ↑ NM 32,673,682 24,048,611 26,037,744 6,635,938 20.31% 24.75% ↓ KS 51,710,213 42,036,979 45,513,984 6,196,229 11.98% 13.09% ↑ UT 39,375,424 31,242,408 33,826,561 5,548,863 14.09% 10.16% ↑ NH 17,087,156 11,046,284 11,959,955 5,127,201 30.01% 32.07% ↓ NE 36,966,216 30,939,492 33,498,590 3,467,626 9.38% 5.79% ↑ MI 115,837,095 104,869,496 113,543,566 2,293,529 1.98% 0.31% ↑ IN 113,459,711 104,194,376 112,812,605 647,106 0.57% 9.91%* ↑ RI 8,375,257 7,583,339 8,210,580 164,677 1.97% 6.55%* ↑ LA 102,128,485 94,186,072 101,976,484 152,001 0.15% 2.55%* ↑ HI 9,796,773 9,337,161 9,796,773 0 0.00% 0.00% ↔ NET IMP 44,455,000 SUM 2,494,544,417 1,895,766,490 2,052,258,325 397,831,092 *=Import Renewable energy[edit] Main article: Renewable energy in the United States 2018 profile of renewables Hydro Wind Solar Biomass Geothermal Sources of total United States renewable energy, 2012 (US EIA)   Biomass (49.1%)   Hydroelectric (30.3%)   Wind (15.4%)   Solar (2.7%)   Geothermal (2.6%) The Shepherds Flat Wind Farm is an 845-megawatt wind farm in the US state of Oregon Renewable energy in the United States accounted for 13.2% of the domestically produced electricity in 2014,[72] and 11.2% of total energy generation.[73] As of 2014, more than 143,000 people work in the solar industry and 43 states deploy net metering, where energy utilities buy back excess energy generated by solar arrays.[74] Renewable energy reached a major milestone in the first quarter of 2011, when it contributed 11.7% of total US energy production (2.245 quadrillion BTU or 2.369 EJ of energy), surpassing nuclear energy production (2.125 quadrillion BTU or 2.242 EJ).[75] 2011 was the first year since 1997 that renewables exceeded nuclear in total US energy production.[76] Hydroelectric power is currently the largest producer of renewable energy in the US. It produced around 6.2% of the nation's total electricity in 2010 which was 60.2% of the total renewable energy in the US.[77] The United States is the fourth largest producer of hydroelectricity in the world after China, Canada, and Brazil. The Grand Coulee Dam is the 5th largest hydroelectric power station in the world. US wind power's installed capacity now exceeds 65,000 MW and supplies 4% of the nation's electric power.[78][79] Texas is firmly established as the leader in wind power development followed by Iowa and California.[80] The United States has some of the largest solar farms in the world. Solar Star is a 579-megawatt (MWAC) farm near Rosamond, California.[81] The Desert Sunlight Solar Farm is a 550-megawatt solar power plant in Riverside County, California[82] and the Topaz Solar Farm, a 550 MW photovoltaic power plant, is in San Luis Obispo County, California.[83] The solar thermal SEGS group of plants in the Mojave Desert has a total generating capacity of 354 MW.[84] The Geysers in Northern California is the largest complex of geothermal energy production in the world. The development of renewable energy and efficient energy use marks "a new era of energy exploration" in the United States, according to President Barack Obama.[85] Studies suggest that if there is enough political will, it is feasible to supply the whole United States with 100% renewable energy by 2050.[86][87] Trends and projections[edit] In 2015, electrical energy usage in the United States was 1.6% more than in 2005 and 1% less than the peak in 2007. Per-capita consumption has decreased about 7% since its peak in 2007 and every year since has shown a decrease in individual consumption. Conservation efforts are helping. At least, for the next decade, coal, natural gas, and nuclear will remain the top three fuels for electric energy generation in the USA. Coal will continuously decrease its contribution, with natural gas increasing its contribution. Nuclear will have some downs (decommissionings) and ups (new online plants) but probably remain about constant. Hydro will maintain. Petroleum will continue to decrease in importance. Wind and solar will continue to grow in importance; their combined generation was 5.29% of US electric generation for 2015 or 5.20% of total US consumption. Per-capita energy use in the United States From the beginning of the United States until 1973, total energy (including electrical) use increased by about 3% per year, while population increased an average of 2.2% per year. Per-capita energy use from 1730 to 1870 was about 100 million BTU (110 GJ) per person. In the 20th century this increased to around 300 million BTU or 320 GJ (332 million BTU or 350 GJ per person per year in 1981).[88] In 2001, Vice President Dick Cheney said the US would need "at least 1,300 new power plants over the next 20 years."[89] Efficiency improvements could cause energy use to drop considerably. A concentrating solar array (CSP) with thermal storage has a practical capacity factor of 33%[90] and could provide power 24 hours a day. Prior to 2012, in six southwestern states (Arizona, California, Colorado, Nevada, New Mexico, and Utah) the US Bureau of Land Management (BLM) owned nearly 98 million acres or 400,000 square kilometres (an area larger than the state of Montana) that was open to proposals for solar power installations. To streamline consideration of applications, the BLM produced a Programmatic Environmental Impact Statement (PEIS). By the subsequent Record of Decision in October 2012, the BLM withdrew 78% of its land from possible solar development, leaving 19 million acres (77,000 km2) still open to applications for solar installations, an area nearly as large as South Carolina. Of the area left open to solar proposals, the BLM has identified 285,000 acres (115,000 ha) in highly favorable areas it calls Solar Energy Zones.[91] In Spain, with natural gas backups, CSP has reached a capacity factor of 66%, with 75% being a theoretical maximum.[92][failed verification] See also[edit] Energy portal Carter Doctrine The Climate Registry Efficient energy use Energy conservation in the United States Energy policy of the United States World energy resources World energy consumption List of countries by energy consumption and production List of countries by energy consumption per capita List of U.S. states by electricity production from renewable sources References[edit] ^ "U.S. Energy Information Administration". ^ See #Fossil-fuel equivalency - these figures are actually closer to 2.8% each. ^ US Dept. of Energy, "Annual Energy Report" (2010), Energy Flow diagram ^ "U.S. energy facts explained - consumption and production - U.S. Energy Information Administration (EIA)". www.eia.gov. 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Renewable Energy World. ^ SEGS I, II, III, IV, V, VI, VII, VIII & IX Archived 2014-08-05 at the Wayback Machine ^ "Archived copy". Archived from the original on 2009-04-29. Retrieved 2009-04-29.CS1 maint: archived copy as title (link) ^ M.Z. Jacobson et al. 2015: 100% clean and renewable wind, water, and sunlight (WWS) all-sector energy roadmaps for the 50 United States. Energy and Environmental Science Issue 8, p. 2093-2117. doi:10.1039/C5EE01283J. ^ M.Z. Jacobson et al. 2015: Low-cost solution to the grid reliability problem with 100% penetration of intermittent wind, water, and solar for all purposes. Proceedings of the National Academy of Sciences Issue 112, Number 49, p. 15060–15065. doi:10.1073/pnas.1510028112. ^ "Per capita energy consumption has declined in the United States". Knowledge Problem. ^ "Mixing Oil and (Clean) Water". Newsweek. 7 May 2001. p. 6 of print edition. 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Co., ISBN 978-981-4704-00-7 Tough Love for Renewable Energy; Making Wind and Solar Power Affordable May/June 2012 Foreign Affairs External links[edit] Energy Information Administration - Official Energy Statistics from the US Government's Energy Information Administration Biomass Energy Data Book Buildings Energy Data Book International Federation of Global & Green ICT IFGICT web site Power Technologies Energy Data Book (complete) Transportation Energy Data Book Interactive United States Energy Comparisons Renewable Energy Tops 10% of U.S. Energy Production U.S. Energy System Factsheet by the University of Michigan's Center for Sustainable Systems Estimated US Energy Use in 2011 | Visual.ly v t e Energy in the United States Politics and law Energy Lobby Energy policy Energy Policy Act (1992) (2005) Public Utility Regulatory Policies Act Energy subsidies Federal Power Act Offshore drilling debate Renewable portfolio standard Secretary of Energy Energy law of the United States North American energy independence Smart grid policy Energy by state Arkansas California Hawaii Idaho Ohio Oregon Vermont Sources Material Biofuel Coal Geothermal Hydroelectric Nuclear Petroleum Renewable Solar by state Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington D.C. 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