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.
Down to the Wire | Deep dives into complex energy issues
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Hydrogen
US green hydrogen hub will put long-haul energy storage to the test
The ACES Delta project in Utah is betting billions of dollars that clean hydrogen can provide months of energy storage. Will it work?
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Policy & regulation
Here are ways to connect clean energy projects to the grid more quickly
It won’t be easy to fix the massive pileup of energy projects that need to be connected to the transmission grid, but regulators and developers are ready to try.
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Energy markets
A deeper dive into 24/7 carbon-free energy
Tech giants and startups are chasing more precise data to make the grid cleaner by the hour — and asking governments and regulators to catch up.
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Policy & regulation
FERC Order 2222: Experts offer cheers and jeers for first round of filings
U.S. grid operators have to open up their energy markets to distributed energy. Here's what's good, bad and downright ugly in their initial plans.
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Policy & regulation
The Texas energy system faces a winter reckoning — again
Texas political leaders say the state is ready to prevent another winter grid collapse. Energy experts disagree.
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Policy & regulation
The avoided-cost calculator: The controversial metric at the center of California’s solar net-metering fight
Tying rooftop solar payments to climate and grid benefits makes sense in theory. But in the real world, it could get very messy.
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