electric generation

Cold weather, higher exports result in record American natural gas demand

USA

Spot wholesale electricity prices also rose: $200/MWh in New York City, $185/MWh in New England Estimated U.S. natural gas demand on Jan. 1 reached 150.7 billion cubic feet, surpassing the previous single-day record set in 2014, according to the U.S. Energy Information Administration. Much colder-than-normal temperatures across much of the United States have led to increased […]

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Natural gas power generation share grew for decade in Southern states as coal declined

USA

 Texas and Oklahoma in region with some of country’s best wind resources Coal’s share of total electricity generation in the South declined over the past decade, from 50 per cent in 2006 to 29 per cent in 2016, according to the U.S. Energy Information Administration.As the use of coal has declined, the use of natural gas

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Wind turbine heights and capacities have increased over past decade

USA

 Five states combined produced 55% of total U.S. wind electricity generation in 2016 Wind turbines in the United States have grown in both average heights and capacity over the past decade, according to data on utility-scale electricity generators collected by EIA. Wind turbine capacity is based largely on the length of the blades, and taller turbines are

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US news brief July 24: House passes bill to speed up natural gas pipeline permits

News

 Also in news brief: American Midstream sells propane business for $170 million, US House moves to streamline permitting process of natural gas pipelines As the California power grid adapts to increased solar electricity production, wholesale power prices are rising in the morning and evening hours, according to the US Energy Information Administration. The higher hourly prices in

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Monthly US renewables electricity generation surpasses nuclear for first time since 1984

News

Net generation from nuclear power has remained flat since late 1990s, renewables rising slowly as investment increases In March, and again in April, U.S. monthly electricity generation from utility-scale renewable sources exceeded nuclear generation for the first time since July 1984, according to a U.S. Energy Information Administration press release. This outcome reflects both seasonal and

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Utility-scale solar PV tracking systems increase efficiency in sunny US southwest

Innovation

Solar tracking systems are more expensive, but produce more electricity The electricity generated by a solar photovoltaic (PV) system depends on the orientation and tilt of the PV panels, and in some cases, its ability to track the sun throughout the day, according to the US Energy Information Administration. Because photovoltaic panels operate more efficiently when

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Most coal plants in the United States were built before 1990

News

 Twelve states have less than 1 GW of coal power generating capacity Coal-fired electricity generators accounted for 25 per cent of operating electricity generating capacity in the United States and generated about 30 per cent of US electricity in 2016, according to the US Energy Information Administration. Most coal-fired capacity (88 per cent) was built between 1950 and

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US wind generating capacity surpasses hydro capacity at end of 2016

News

ERCOT’s recent record of 16,022 MW occurred on morning of Dec. 25, accounted for more than 47% of generation mix Installed wind electric generating capacity in the United States surpassed conventional hydroelectric generating capacity, long the nation’s largest source of renewable electricity, after 8,727 megawatts (MW) of new wind capacity came online in 2016, according

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Renewables generation expected to account for over half of 2016 capacity additions

News

Monthly generation from small-scale solar PV peaked in July at 2.1 billion kilowatthours Once final data are in, EIA expects 24 gigawatts (GW) of new generating capacity to be added to the power grid during 2016. For the third consecutive year, more than half of these additions are renewable technologies, especially wind and solar. Of

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