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California Renewable Curtailments Surge as Coronavirus Cuts Demand

GreenTechMedia

California grid operator CAISO has been curtailing renewable energy at record levels this year, as the state’s ever-rising share of solar power during daylight hours increasingly outpaces electricity demand. Grid operator ISO New England reported 3 percent to 5 percent declines in system demands in the previous week.

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The total eclipse shows us how important solar energy is to the US

The Verge: Energy

More than 31 million people — nearly 10 percent of the population in the US — live in an area that will experience the total solar eclipse today. Millions more live near dirty power plants that could be tapped to make up for a loss of solar power. While solar generation falls, electricity demand is expected to rise.

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New York City’s Biggest Power Producer Aims to Import Renewable Energy From Upstate

GreenTechMedia

After losing out on an early opportunity to build New York state's biggest battery, the owner of New York City's biggest power plant is taking steps to import renewable electricity generated upstate. New York City has millions of electricity customers but limited space to generate wind or solar power.

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Liquid air: A cool option for energy storage?

Envirotec Magazine

Renewable energy sources such as wind and solar power may provide a sustainable solution, but their output is intermittent and varies with environmental conditions leading to periods of oversupply and periods of undersupply. Energy storage. Liquid air energy storage. Three stages of liquid air energy storage.

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Thursday’s eclipse reduced PV production

Renewable Energy World

German grid operator Amprion warned that the celestial event would cause a drop in solar power output of about one gigawatt, Reuters reported. Under peak conditions Germany can produce 40 GW of solar power, so the eclipse loss is significant. Previous eclipses strained solar power systems in the past.

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How energy providers can prepare for summer heat with innovative solutions

Renewable Energy World

Last summer’s record heat waves triggered a surge in power demand that maxed out supplies and led to outages across the West. California and other states are pushing to use clean electricity to power vehicles and buildings to cut carbon, which will increase demand. Contributed by Ben Paulos. ROOT CAUSES.

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New York?s Energy Transition (and Challenges) in 5 Charts

GreenTechMedia

Grid operators around the world are unusually busy these days, but few have quite as much on their minds as NYISO, the independent system operator that manages New York state's bulk power system and wholesale energy market. Larger-scale transmission projects aimed at carrying Canadian hydropower and wind power downstate, such as the $2.2