Transmission
New software can find more room for clean energy on transmission grids
Grid-enhancing technologies include high-tech software that can uncover more interconnection options for new wind and solar power projects.
Utilities
Hydrogen
Test shows hydrogen blending slightly reduces gas power plant emissions
The hydrogen revolution isn’t here quite yet — but now we know what happens when a certain type of gas plant burns a small amount of hydrogen.
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EV charging
New California rule will cut costs of home EV charging
A long-awaited policy change eliminates the need for a second meter to measure EV electricity use. That opens up options for better rates and vehicle-to-everything charging.
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Solar
Hawaii's biggest solar+battery plant comes online — just in time
Despite supply-chain hurdles and other hiccups, developer Clearway Energy was able to get the solar-and-storage facility running before Oahu's last coal plant closes.
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Nuclear
Should California keep its last nuclear plant open? The battle is back
Is the Diablo Canyon nuclear plant vital to a clean and reliable grid, or a costly threat to environmental and energy goals? State lawmakers have less than three weeks to decide.
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Batteries
This utility keeps customers cool during heat waves while saving them money
Vermont’s Green Mountain Power helped thousands of customers get home batteries. Now it taps them at peak times to prevent high costs and grid outages.
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Transmission
How to move more power with the transmission lines we already have
Grid-enhancing technologies enable us to get more out of existing power lines. Here’s an in-depth look at one such technology: dynamic line rating.
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Utilities
Utilities are planning to shift to clean energy — just not too quickly
CEO of electricity research group EPRI says U.S. utilities are poised to go big on solar, wind and batteries — but they aren't ready to give up their gas and coal plants just yet.
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Grid edge
Smart electric panels in homes could prevent overtaxing the grid
As more homes are electrified, utility circuits could face major upgrade costs. Or smart panels and controls could help save the day, a new study says.
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Fossil fuels
Puerto Rico is pushing LNG when it says it's shifting to renewables
The U.S. territory has pledged to transition to clean energy, but it backed a controversial liquefied natural gas terminal and may increase LNG imports.
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Climate crisis
Chart: Most voters support EPA limiting CO2 pollution from power plants
A hefty majority of likely voters dissent from the Supreme Court’s latest ruling on climate action.
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