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Too much of a good thing: Poland’s grid operator, PSE, yesterday declared an official threat to the security of electricity supplies for only the second time in history. The reason was an oversupply of renewable energy in the system, with PSE ordering solar and wind facilities to be disconnected temporarily.
Poland declares threat to electricity supply due to too much renewable energy — Notes from Poland | April 24, 2023
US manufacturer releases cold climate heat pump — Beatriz Santos | PV Magazine | April 18, 2023
New KAUST tandem solar cell breaks efficiency world record — Michael Irving | New Atlas | April 18, 2023
Batteries of the future + what’s old is new…
In an energy-efficient future, homes may be heated and cooled by pumping from giant pools of water stored underground. A study published this month in Applied Energy looks at how underground aquifers (Aquifer Thermal Energy Storage (ATES)) could help significantly reduce reliance on fossil fuels and help store energy produced by renewables.
Giant Underground Pools of Water Are Batteries of the Future — Molly Taft | Gizmodo | April 19, 2023
Bricks are housed on the top eight levels of the building to store energy and drop down to the corresponding lower eight levels to generate power. Each brick, descending at 1.9 meters per second (6.23 feet), turns out about a megawatt, Terruzzin said. That's about enough to power 2,000 refrigerators.
As for efficiency, Energy Vault guarantees EVx systems will generate at least 80% of the energy required to lift the bricks and scoot them around, including factors like friction. That overall efficiency is comparable to pumped hydro.
Hundreds of 24-Ton Bricks Could Help Fix a Key Renewable Energy Problem — Stephen Shankland | CNET | April 22, 2023
VIDEO: Can gravity batteries solve our energy storage problems? — Alasdair Lane | BBC Future Planet | May 16, 2022
How Much Energy Can You Store in a Stack of Cement Blocks? — Wired | August 23, 2018
Why efforts to modernize Seattle's grid might be a power struggle (haha) [BJ Paywall]
— Marc Stiles | Puget Sound Business Journal | April 23, 2023
Colleton County in South Carolina is a quiet rural district best known for its hunting, fishing and, recently, a sensational murder trial.
Now it is also a player in America’s new gold rush: a scramble for $1 trillion in federal tax incentives and loans for green energy that is fueling a flood of corporate investments and reshaping local economies.
The spending is one of the biggest outlays of taxpayer-financed industrial stimulus since Franklin D. Roosevelt’s New Deal. If successful, it could transform the nation’s economy by creating millions of jobs and driving up to $3 trillion in total clean-energy investments during the next decade…
Small Towns Chase America’s $3 Trillion Climate Gold Rush — Phred Dvorak and Amrith Ramkumar | WSJ | April 23, 2023
Tech Billionaires Bet on Fusion as Holy Grail for Business 🔆 — Jennifer Hiller | WSJ | April 23, 2023
The U.S. rooftop solar business has grown with two essential catalysts: Low interest rates, which make such installations affordable for consumers, and state-level policy that handsomely rewards households with such solar systems for selling excess solar energy back to the grid. Both of those are going in exactly the wrong direction at the moment.
Rooftop Solar: Ain’t No Sunshine — Jinjoo Lee | WSJ | April 26, 2023
German scientists have simulated the seasonal performance of PVT panels in brine-water heat pumps for heating single-family homes. They compared them to air- and ground-source heat pumps with and without PV, and to gas heating systems.
Brine-water heat pumps with photovoltaic-thermal panels — Beatriz Santos | PV Magazine | April 26, 2023
Carbon offsets NOT achieving their potential: “Net Zero” isn’t what it’s cut out to be. There’s no Atmosphere Enforcement Agency… 🙁 Protected US forests that were already removing carbon from the atmosphere were doing a great job even before they were contracted for carbon credits…
Getting Warmer with Kal Penn: Carbon Offsets — Kal Penn | Bloomberg | April 19, 2023
Inside the Billion-Dollar Market for Junk Carbon Offsets — Akshat Rathi | Bloomberg | November 21, 2023
The glut of parking spaces in the US is driving up housing costs and hurting the environment
— Tim Paradis | Business Insider | April 14, 2023
Video Trailer: Beware the carbon 'Godzilla' destroying the planet
The Whole Story with Anderson Cooper Investigates “How to Unscrew a Planet” with CNN's Chief Climate Correspondent Bill Weir
— CNN | April 23, 2023
Are these the most sustainable architectural projects in the world? — Leah Dolan | CNN | April 21, 2023
Cementing our future in a fantastic 8 minute video.
P.S. Cement and concrete aren’t synonymous. Check that link to learn the difference!
Cement accounts for 8 percent of our global carbon emissions. It’s also an incredibly difficult material to do without: It’s the glue that holds together the rock, sand, and water in concrete. And concrete is the building block of the world: It’s in our buildings, our streets, our sidewalks, and our infrastructure. Aside from water, there’s no material on Earth we use more of…
The big problem with cement, and how to fix it — Laura Bult | Vox | April 20, 2023
A viable formula for a carbon-negative, environmentally friendly concrete that is nearly as strong as regular concrete has been developed at Washington State University.
In a proof-of-concept work, the researchers infused regular cement with environmentally friendly biochar, a type of charcoal made from organic waste, that had been strengthened beforehand with concrete wastewater. The biochar was able to suck up to 23% of its weight in carbon dioxide from the air while still reaching a strength comparable to ordinary cement.
Researchers develop carbon-negative concrete — Washington State University | April 18, 2023
As you read the following article, please don’t forget about the 65.4 Quads of unused energy (67% of produced annual energy) across the United States.
Do you ESG? Many people think they understand it, but ESG is fundamentally about making prudent business decisions related to environmental change, NOT about helping the environment for its own sake.
— Margaret Sutherlin and David Rovella | Bloomberg Evening Briefing | 04/18/23
US ESG Bond Market Chokes on Republican Backlash, Investor Angst — David Caleb Mutua | Bloomberg | April 18, 2023
Most major private-investment firms are working to cut down on emissions their portfolio companies send into the atmosphere. Private-equity executives know they need to make these changes to win investor commitments…
The Messy, High-Stakes World of Private Equity's Fossil-Fuel Dilemma — Rebecca Ungarino | Business Insider | April 20, 2023
Sustainable investing expert Alison Taylor on ESG misconceptions and why ethics are part of the equation
— Grant Harrison | GreenBiz | April 18, 2022
The Seven Sins of ESG Management — Kosmas Papadopoulos & Rodolfo Araujo | Harvard Law School | September 23, 2020
Living in a Material World: Myths and Misconceptions about “Materiality” — Commissioner Allison Herren Lee | SEC | May 24, 2021
The Biden administration is preparing to unveil a proposal to require power plants to drastically reduce their greenhouse-gas emissions by 2040, another attempt to regulate one of the country’s biggest contributors to climate change after the Supreme Court struck down the first effort, according to three people familiar with the plans.
Fossil fuels — almost exclusively gas and coal — still accounted for roughly 60 percent of the country’s electricity last year, according to Energy Department data. Utilities have been moving to zero-emissions sources, mostly wind and solar, retiring a lot of fossil fuels, especially coal, and that trend shows no signs of slowing. After retiring about 11 gigawatts of coal-fired capacity annually from 2015 to 2020, the industry plans to shutter 8.9 gigawatts this year, according to the U.S. Energy Information Administration.
EPA plan would impose drastic cuts on power plant emissions by 2040 — Timothy Puko | The Washington Post | April 22, 2023
There has been a sharp drop in the amount of CO2 stored underground at the liquefied natural gas plant over the last three years, data released by Chevron showed. Kim Garratt, an investigator with the Australian Conservation Foundation, said CCS developments were “being slapped on to otherwise unacceptable projects to make them seem like reasonable options”.
Emissions from Western Australia gas project with world’s largest industrial carbon capture system rise by more than 50%
— Adam Morton | The Guardian | April 20, 2023
How Electrifying Everything Became a Key Climate Solution — Nadja Popovich and Brad Plumer | NYT | April 14, 2023