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Reasons to be Cheerful

Abandoned Coal Mines Are Becoming the Batteries of the Future

“Gravity batteries” give former mines a second life — while offering an economic and environmental boost to communities once reliant on coal

From the article:

From Europe to North America, an energy revolution is breathing new life into empty, long-forgotten coal mine shafts — by repurposing them into places to store renewable energy. Using “gravity batteries,” these underground facilities aim to tackle one of renewable energy’s greatest challenges: storage. The method is simple: Excess renewable energy is used to power winches that lift heavy weights — such as containers filled with sand or rock — up the mine shaft. When additional energy is needed, these weights are released, generating power as they descend. This approach not only gives these disused mines a second life but also offers economic and environmental benefits to communities once reliant on coal. Hundreds of thousands of abandoned mines — about 550,000 in the U.S. alone — pose economic, environmental and safety risks. In some areas, these old shafts have caused collapses or polluted groundwater, while in others, the loss of mining jobs has hit local economies hard. Meanwhile, as renewable energy scales up, storage limitations become a pressing issue, especially with solar and wind, which are naturally intermittent. This year, solar is expected to surpass coal as a leading global power source, according to the International Energy Agency, highlighting the need for reliable storage to balance supply and demand. During the U.K.’s 2020 lockdown, for example, National Grid warned of potential blackouts when energy demand dropped by 20 percent, leading to excess renewable power that went unused.

Gravity batteries offer a straightforward but powerful — and cost-effective — way to address both of these problems at once. Their potential is already being realized. In Rudong, near Shanghai, the first commercial grid-scale gravity battery was connected to the grid in December 2023. Capable of storing up to 100 megawatt hours of energy, it can power nine homes for an entire year using only stored electricity. Across China, nine additional projects are in development, while in Switzerland, a commercial demonstration unit has been connected to the national grid for testing since 2019, showcasing the technology’s promise on a global scale. And now, other countries, from Finland to Australia, are getting on board.

Don’t mind me.

Just doing some light alchemy.

May Rings of Power get cancelled and Castlevania Nocturne get renewed.

Equivalent exchange…

Like to charge. Reblog to cast.

Or don’t. I’m not a cop. Do what you want.

official elon musk hate post reblog to hate like to hate reply to hate

for the love of god please listen to old users when we say this site works differently. that you can’t just sit around with a blank blog. make posts or reblog, but do something at least. this site works because we don’t have an unavoidable garbage algorithm forcefeeding us posts based on our likes. we do not need another fucking twitter, tiktok or instagram.

Happy autumn everyone! Seriously though fall is one of my favorite aesthetics in animation.

The manhunt just went nationwide five hours ago. They believe he's left NYC. I don't think y'all understand how serious it is for him to get away with this on an American Social scale. The police don't give a single fuck about 90% of Americans their job is to protect and serve property values and the rich. Even the company he worked for gave 0 fucks about him. That's how small a piece that high paying job is worth. But a linchpin is still a linchpin. The fact people realize direct action DOES INDEED lead to Change is a big issue for these shareholders. Because if we start taking action against CEOs eventually the population will start hunting the true villians. THEM. So they need to make an example of him. They need Americans to fear taking action against THEIR LOWEST RANKS and look back to their usual scapegoat POCs and each other. That's why they tried to describe him as "lightskined" when it first got out. Misdirection and distraction. Now that they know we rally him they can't let him be a symbol. Because they need Americans to focus on getting things back to "normal" instead of being brave and progressing. So while social media has definitely made us more aware it still gives them information to use against us. So yes once again I am saying be aware of what you post and reblog on any platform about this man. I get you want to celebrate him but don't make it easier for them to find him. Don't do their work for them.

me to the other non-binary ppl here in the US