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Hawaii Will Power Its Clean Grid with 6,000 Home Batteries Installed by Swell Energy

GreenTechMedia

Hawaii's largest utility enlisted a new tool in its quest for a carbon-free electricity system: thousands of batteries installed in people's homes. Hawaiian Electric won regulator approval for a $25 million plan to harness solar and batteries at 6,000 homes across the islands of Hawaii, Maui and Oahu.

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How New Building Rules Can Revitalize Residential Solar in England

GreenTechMedia

Tighter rules on the carbon footprint of new homes in England look set to trigger a fresh boom for residential solar. New homes will be expected to produce 31 percent less carbon dioxide than they do now, according to plans laid out this week , which will require better energy efficiency and being “heat pump ready.”

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Duke Energy’s SC Net-Metering Replacement Won a Crucial Ally: Rooftop Solar Companies

GreenTechMedia

Few grid policy battles have been fought as bitterly as those surrounding replacements for net-metering, which determines how much rooftop solar customers get paid for power they export to the grid. Utility Duke Energy tossed out the conventional playbook when proposing a net-metering successor for its South Carolina territory.

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Sunrun to Turn Home Batteries Into Grid Resources for 2 Major Utilities

GreenTechMedia

rooftop solar installer, finalized two utility partnerships to turn home batteries into miniature power plants. Sunrun is also assembling a 300-home fleet for New York state utility Orange & Rockland, a subsidiary of Con Edison, it announced Wednesday. Sunrun, the leading U.S.

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Interview – Celsius Energy and decarbonizing buildings using shallow geothermal systems

ThinkGeoEnergy

Heating and cooling buildings accounts for about a third of the final energy consumption globally and 30% of energy-related CO 2 emissions. For these reasons, the building heating and cooling sector is one that urgently needs to be decarbonized. Heating and cooling buildings is 80% of that energy used.

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St. Louis Adopts Midwest?s First Building Performance Standard

GreenTechMedia

Louis Mayor Lyda Krewson recently signed a law establishing a mandatory Building Energy Performance Standard in the city, which is the second-largest in Missouri. Buildings are responsible for nearly 80 percent of St. Louis Building Division, told Greentech Media in an email. and Washington state.

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Will New York City’s largest buildings meet emissions reduction limits by 2024?

Renewable Energy World

Contributed by Saverio Grosso, Edison Energy. Under the Act, passed in 2019, most buildings over 25,000 square feet—roughly 50,000 residential and commercial properties across the city—must meet new energy efficiency and greenhouse gas emissions (GHG) reductions by 2024, and stricter limits in 2030. Last month, the U.S.