Energy efficiency
Leaky air ducts can undermine heat-pump performance. Aeroseal has a fix
After decades of steady growth, a tech that seals air ducts from the inside out may be poised to take off, thanks to new heat-pump and efficiency incentives.
Jeff St. John is director of news and special projects at Canary Media. He covers the intersection of technological, economic and regulatory issues influencing the global transition to low-carbon energy in the electricity, transportation and building sectors. He is the former managing editor and senior grid edge editor of Greentech Media, and he previously reported for The Fresno Bee, the Tri-City Herald and the Anchorage Daily News. He lives in Oakland, California with his wife Tara Donoghue and his dog Lily, and enjoys hiking, gardening and playing guitar with his nieces and nephews.
His areas of expertise include renewable energy, smart grid, distributed energy resources, energy storage, demand response and electric vehicles.
He earned a master’s degree from the UC Berkeley Graduate School of Journalism in 2001.
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Fossil fuels
How states are trying to fit gas utilities into a low-carbon future
California and Colorado are the latest states to boost oversight of how gas utilities spend their customers’ money. The goal: avoiding "stranded assets."
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EV charging
Highway EV charging will need a ton of power — sooner than you think
A new report warns that EV charging along Northeast highways will require sports-stadium levels of grid power by 2030. Where are the plans to supply it?
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Batteries
Kore Power raises $75M to build lithium-ion battery cells in Arizona
Federal tax credits and incentives are driving a boom in U.S. battery manufacturing. This U.S.-based battery maker wants in.
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Transmission
NY project will use high-tech sensors to get more clean energy onto grid
National Grid and LineVision are expanding the capacity of New York’s grid to carry greater amounts of wind power. Why aren’t more U.S. utilities doing the same?
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Clean fleets
Schools scramble to prepare for $1B in federal money for electric buses
From small rural districts to statewide fleets, schools are figuring out how to put to use the biggest electric school bus investment in U.S. history.
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Grid edge
Swell raises $120M for virtual power plants to link solar and batteries
Getting networks of homes with rooftop solar and batteries to help balance the grid requires innovative tech and financing. L.A.-based Swell Energy is on it.
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Batteries
The used EV market can't thrive without accurate battery-health data
Batteries are the most expensive part of an EV. They’re also a black box. These companies are finding ways to diagnose their health and value.
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Electric vehicles
Startups draw on data-driven insights to slash the costs of EV ownership
Tenet and Treehouse are crunching the numbers to offer EV buyers cheaper financing and home charging equipment.
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Politics
How Democratic state wins in the midterms could rev up climate progress
States are already doing the most to shrink electricity-sector emissions. These new Democratic wins and “trifectas” could push even bolder policies forward.
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