Remove 2012 Remove Investment Remove Nuclear Power Remove Wind power
article thumbnail

Examining the Limits of ‘Energy Return on Investment’

GreenTechMedia

At the heart of this debate is one of the most important physical metrics you’ve never heard of: energy return on investment, or EROI. Hall and others, the basic principle behind EROI, also called energy returned on energy invested, is simple: A source of energy is only useful if you can get more energy out of it than what you put in.

article thumbnail

Three-Quarters of New US Generating Capacity in 2020 Will Be Renewable, EIA Says

GreenTechMedia

According to EIA data released Tuesday , wind and solar will make up 32 of the 42 gigawatts of new capacity additions expected to start commercial operation in 2020, dwarfing the 9.3 EIA’s numbers also break records for both wind and solar in terms of annual capacity additions. gigawatts, and pushes total U.S.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

How NextEra Overtook ExxonMobil As The Largest U.S. Energy Company

R-Squared Energy

If you had invested in Florida-based utility NextEra Energy a decade ago, your total return through this week, including dividends, would have been 600%. In contrast, if you had invested in ExxonMobil a decade ago, you have seen the share value decline by half. NextEra’s dividend is considered as safe as an investment-grade bond.

Energy 114
article thumbnail

Powering into the Future? UK nuclear strategy after Hitachi

Business Green

The government must rebalance nuclear's place in the energy portfolio and bring the public onside while there is still time, argues Bright Blue's Andrew Leming. Hitachi's withdrawal from proposed nuclear power sites in Anglesey and Oldbury last month dealt a sharp blow to the government's net zero emissions strategy.

article thumbnail

Britain's power grid celebrates greenest day and month on record in 2022

Business Green

In November, thanks to windy conditions, the country also generated more than 20GW of power from wind turbines for the first time ever, representing more than 70 per cent of all electricity generated on that day in Britain, it said. Nuclear power plants, meanwhile, provided 15.5 per cent, National Grid ESO's data shows.

article thumbnail

Climate Sceptic Goes Unchallenged on BBC’s Today Programme

DeSmogBlog

The consultant was the sole interviewee in the segment, in which she claimed that the move to renewable energy, primarily wind power, was increasing the risk of blackouts. Wind Power ‘Blackout’ Risk Porter told BBC Radio 4 listeners in the interview: “There were risks around blackouts this winter.

article thumbnail

The 5 Biggest US Utilities Committing to Zero Carbon Emissions by 2050

GreenTechMedia

million natural-gas customers across six states, with a 51,000-megawatt generation portfolio that’s roughly 42 percent natural gas, 33 percent coal, 18 percent nuclear and 7 percent hydro and solar power. The latter category has grown by about 6,500 megawatts since 2012. Duke's utilities serve 7.7

Carbon 246