Polar vortex tests viability of renewable power

Honda wind farm in BrazilThere's nothing like a good polar vortex to put the power system to the test—unless maybe it's a summer heat wave. Energy consulting firm Wood Mackenzie used the opportunity of this event as a chance to measure demand on the power grid. In a detailed study of power demand during the severest week of this 2019 Polar Vortex, from Jan. 27 to...

Blowing away dirty energy: Wind to pass hydro as top renewable in 2019

Mulan wind farm [CREDIT: Global Climate Budget 2018]For electric-car drivers looking to emit less pollution as the drive, 2019 could be a banner year. The U.S. electric grid has been getting gradually greener as utilities replace coal fired powerplants with primarily wind and natural gas. That trend is due to reach a tipping point in 2019, according to numbers by the Energy Information Agency at...

Latest climate study says it’s already too late

Hurricane Florence approaches U.S. East Coast Sept. 12, 2018Sit down before you read this. Good. With all the dire warnings about climate-change coming from the most recent studies—from the Fourth National Climate Assessment released on Black Friday to an October report by the UN Intergovernmental Panel on Climate Change which showed that catastrophic effects could hit by 2040—the latest news...

Report: Utility survey shows overwhelming support for renewable power

wind farmAmericans want renewable electricity, and they want it now. That's the conclusion of a new study that has large power providers buzzing with nerves, according to a recent report on Vox. The report, done for the Edison Electric Institute and presented at a recent meeting of the utility trade group, shows that 70 percent of Americans said they want...

Effect of Trump solar-panel import tariffs on clean-power growth debated

Photovoltaic solar power field at Volkswagen plant in Chattanooga, TennesseeA majority of the photovoltaic solar panels used in the U.S. are imported from such countries as China, Malaysia, South Korea, Thailand, and Vietnam. Now, environmentalists and energy analysts worry that the new 30-percent tariff on solar-panel imports announced last Monday by President Donald Trump may stymie the rapidly growing clean-energy...

All renewable energy types to be cost-competitive by 2020: report

Wind farm outside Fort MacLeod, Alberta, Canada   [photographer: Joel Bennett]Renewable-energy generation costs are falling like photons onto a solar panel. By 2020, it's expected all types of renewable-energy generation will be able to compete with fossil fuels on cost. That's right: saving our environment will actually save electric utilities some money, too. DON'T MISS: Two-thirds of world's new energy capacity in 2016...

Why diesel beats solar for disaster recovery in places like Puerto Rico

APR Energy's GE TM2500 Gen 8 mobile gas turbines in Puerto RicoCall it the Ikea mindset. On populated islands, space is at a premium, just like those stereotypical Swedish kitchens you see when you stroll through your local assemble-it-yourself retailer. That space restriction is a major reason fossil fuels remain a better power-generation option than renewables on populated islands that have just experienced...

In Germany, neighborhood solar starts to eat away at utility revenue

Photovoltaic solar power field at Volkswagen plant in Chattanooga, TennesseeFive years ago, an electric-utility think tank issued a dire warning to its members: Your century-old business model is ending. The continually falling costs of renewable energy generation, especially solar panels, would begin to erode utilities' business from its most profitable customers, the study said. Now, in Germany—hardly known for...

Soaring growth of solar power demonstrated in one chart (updated)

Photovoltaic solar power field at Volkswagen plant in Chattanooga, TennesseeSometimes a picture is truly worth a thousand words. In the case of the rapidly rising rate of solar installations for electricity generation, numerous forecasts by internationally respected bodies have proven woefully conservative. The chart in the tweet below, created by Auke Hoekstra at the Technical University of Eindhoven, The Netherlands...

Stella Vie ‘family sedan’ wins long-distance solar car race

Stella Vie Dutch solar car winner in World Solar ChallengeEarlier this month, the 30th World Solar Challenge kicked off in Darwin, Australia, with 42 competitors vying for victory. At the end of the 3,022-kilometer (1,880-mile) race from Darwin to Adelaide, one team emerged victorious in the highly contested Cruiser class. Solar Team Eindhoven, from the Netherlands, placed first with its Stella Vie...

Solar-powered car race kicks off 30 years of World Solar Challenge

World Solar Challenge 2017Although a car powered solely by solar power is far from reality, the 30th anniversary of the World Solar Challenge showcased just how far the technology has come. World Solar Challenge kicked off its celebrations with this year's iteration of the solar-powered car race in Darwin, Australia, on Sunday. From the starting point, the teams will...

Two-thirds of world’s new energy capacity in 2016 was renewable: IEA

Tesla Kauai solar-energy generation and storage project  [photo: The Verge]For years, renewable energy has been cast as the most expensive option to reduce emissions and the world's reliance on fossil fuels. But 2016 may have marked a turn for the renewable energy sector, with solar energy in particular rising significantly in output. For the first time in history, renewable energy sources accounted for fully two-thirds...