The California Independent System Operator has warned state regulators that there could be a 4.7 GW capacity shortfall in 2022, in the early evening hours of the annual peak demand events of September. The grid operator has suggested the alteration of water cooling laws, as well as increased procurement of resources.
Researchers have built a tool to use cheap satellite imagery – like Google Maps – to automatically create solar designs with a 91% accuracy rate.
North Carolina-based Duke Energy has completed a solicitation for 551 MW of solar power through its CPRE program, with average pricing between 3.79¢/kWh and 3.83¢/kWh and 20 year power contracts.
The city’s municipal utility is readying a 25-year power purchase agreement for 400 MWac of solar at $0.01997/kWh along with up to 200 MW/800 MWh of energy storage at $0.013/kWh.
Pope Francis held a closed door meeting at the Academy of Sciences with the CEOs of oil firms and investment firms to address climate change, with a group committing to support an “economically meaningful” carbon price.
A site origination exercise and load analysis by Cornell University suggests 9 GW of solar will reduce peak demand in New York by nearly 10%. However it also found solar needs better capacity valuations to make for a stronger market, and will drive a winter time duck curve during a season of lower electric demand.
Research by NREL and First Solar has produced highly accurate, real-time estimates of available aggregate peak power that a curtailed solar power plant can deliver to support the broader needs of the grid.
California utility PG&E has tested levels of residential solar power up to 100% penetration, and how to mitigate the effects of voltage and thermal overload via smart inverters and traditional transformer and circuit upgrades — with smart inverters shown to allow for up to 100% penetration at cost-effective pricing.
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