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Hydrogen
The power used to make green hydrogen must be tracked down to the hour
Big fossil incumbents claim that hourly accounting for hydrogen tax credits is too complicated — but plenty of startups and nonprofits are already doing it today.
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Workforce diversity
Charging Up: A chat with Mariko McDonagh Meier, CRO at Convergent Energy and Power
Plus, climatetech career moves at Qcells, Generac, DOE, Generate, AES Clean Energy, Gage Zero, EPA and more.

Solar
Tesla has installed very few solar roofs, despite Elon Musk’s hype
The Tesla CEO claimed a few years ago that the company would be installing 1,000 solar roofs a week — but last year it averaged just 21 installations a week.
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‘Heat-pump coaches’ help neighbors ditch fossil heat in Massachusetts
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Is cheap, clean hydrogen possible? The ‘green hydrogen’ battle, continued
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Inside a $110M plan to turn NYC apartments into virtual power plants
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The great ‘green hydrogen’ battle
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New York has a new plan to get all the grid batteries it needs
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Video: Why don’t we all use solar water heaters?
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Solar
North Carolina regulators slash payments to rooftop-solar owners
Two new rulings pare down net metering and deny proposed customer incentives that would have softened the blow. But a new pilot program could boost battery adoption.
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Clean energy
Chart: How much clean energy has been added globally since 2017?
Short answer: A lot. Solar has led the growth in renewable capacity around the world — especially in China.
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Podcasts
Catalyst with Shayle Kann
SVB, the banking crisis and climatetech
Silicon Valley Bank’s failure highlights the coming headwinds for climatetech.
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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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Transportation
NYC adopts e-bike rules with focus on fire safety and equity
The new policies aim to make it easier for low-income residents to access high-quality models, without banning the zero-emissions devices many workers depend on.
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Clean energy supply chain
New South Carolina plant could process enough lithium for 2.4M EVs a year
Chemicals giant Albemarle said it will build a $1.3B lithium plant — a big step toward the Biden admin goal of beefing up the domestic supply chain.
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Wind
Speeding boats, not offshore wind, likely culprit in recent whale deaths
Still, offshore wind developers are bolstering efforts to safeguard marine life. Here's how Dominion Energy will handle whale safety as it preps for a 2.6 GW project.
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Electrification
Home of the future: Climate-friendly, electrified and closer than ever
The technology and policies are falling into place. But we’ll need a revolution in U.S. home retrofit business models and financing to scale up enough to meet the climate challenge.
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Heat pumps
Chart: Americans bought more heat pumps than gas furnaces last year
Even before Inflation Reduction Act incentives kicked in, Americans bought more heat pumps than ever before last year — well over 4 million.
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Electrification
5 barriers to induction stove adoption — and one clever high-tech fix
It can be complicated and time-consuming to install an induction range. But carbon-free cooking may work for more homes with a bit of help from battery storage.
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Solar
Want to go solar? These companies and groups are here to help
Shaded roof? Tight budget? Confused by all the options? There are resources to help all kinds of people access solar power.
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Marine transport
Amogy lands $139M to scale ammonia tech for zero-emissions cargo ships
The startup is working to launch an ammonia-powered vessel in New York as the global shipping industry searches for cleaner fuels.
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Heat pumps
When it comes to heat pumps, bigger is not always better
A heat pump that's too big raises costs and reduces comfort. Here are some tips for sizing your system right.
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Clean industry
An Arizona plant will pull CO2 from the air and trap it in concrete
The first-of-its-kind initiative by CarbonBuilt, Aircapture and Block-Lite aims to reduce carbon dioxide emissions from concrete production by 70 percent.
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Heat pumps
Heat pumps are already ubiquitous in Asia. When will the US catch up?
A recent trip to East Asia prompted our correspondent to reframe his understanding of heat pumps, the crucial tool for cleaning up the heating and cooling of buildings.
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Grid edge
Sunnova seeks $3.3B DOE loan guarantee to expand virtual power plants
An SEC filing suggests the federal Loan Programs Office is gearing up to help lower-income households access rooftop solar and batteries that can help the grid.
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Fossil fuels
New York must chart new course for gas utilities to hit climate targets
They can’t keep spending on pipelines, and alternative fuels can't scale. But electric heat and thermal networks could save utility business models and jobs.
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Video
Here's video proof that solar panels can be recycled
Solarcycle just raised another $30 million to build more solar recycling factories. See what the recycling process looks like.
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Fossil fuels
Bay Area officials vote to ditch new gas furnaces and water heaters
Starting in 2027, San Francisco Bay Area regulators will require appliances to have zero emissions of nitrogen oxides, a move that effectively bans gas.
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Climatetech finance
How climatetech incubators rallied to help startups after SVB collapse
The failure of Silicon Valley Bank sent many climate-focused companies spiraling — and turning to their incubator and accelerator programs to navigate the crisis.
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Clean energy
Charts: See when renewables provide more than 20% of power in the US
Solar, wind and hydropower fluctuate seasonally. At some times of the year, they're now providing as much as a third of electricity to the U.S. grid.
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Clean energy
Puerto Rico's first community-led microgrid is ready to launch
The Adjuntas microgrid project is a high-profile example of how Puerto Ricans are devising solutions to the island's fragile and unreliable electricity system.
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Clean energy
La primera microrred comunitaria de Puerto Rico está lista para conectarse
El proyecto en Adjuntas es un ejemplo de cómo los puertorriqueños están ideando sus propias alternativas al frágil sistema eléctrico de la isla.
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Climatetech finance
California incubator aims to raise $30M to back climate startups
This week, Los Angeles Cleantech Incubator launched its second impact fund, with a focus on supporting diverse entrepreneurs.
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Solar
This startup has a smarter way to make solar work for apartments
Allume Energy’s SolShare tech can divvy up solar output among apartment units however property owners choose, delivering more flexibility to an underserved market.
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Charging Up: A chat with Alicia Barton, CEO of FirstLight Power
Plus, climatetech career moves at DOE, Rewiring America, Cypress Creek, GAF Energy, NYPA, Mission Strategies, Activate Capital and more.
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Climatetech finance
Community solar industry says it can ride out Silicon Valley Bank failure
The collapse of SVB, a key early funder of community solar, won't halt the sector's growth — but the ripple effects will likely impact all clean-energy development.
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Nuclear
Georgia's big new nuclear reactors could be the last built in the US
Billions over budget and years behind schedule, the expansion of the Vogtle nuclear power plant signals that conventional nuclear projects are a dying breed.
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Video
Video: Canary heads to the Weather Channel to talk about heat pumps
Watch reporter Julian Spector explain how heat pumps have gone big around the globe and are now set to take off in the U.S. thanks to federal incentives.
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Fossil fuels
We know gas stoves have health risks. What about other gas appliances?
Amid the gas-stove hubbub, the health impacts of other gas appliances like furnaces, water heaters and dryers haven't gotten much attention. Here's a rundown.
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Video
Video: Canary talks home electrification on the Weather Channel
Watch staff writer Alison Takemura share tips on how to make your electrified, energy-efficient dream home a reality.
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