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Technology

Geothermal Energy Storage is Making a Big Leap in Texas

On the EarthStore project, nuclear-powered ships, and plastic pollution.

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Geothermal Energy Storage is Making a Big Leap in Texas
Heatmap Illustration/Getty Images

Current conditions: Hurricane Ernesto could strengthen into a category 3 storm by Friday • Several days of heavy rain in Majorca, Spain, flooded streets and grounded flights • The heat index is hovering around 115 degrees Fahrenheit for parts of Arkansas, Louisiana, and Mississippi.

THE TOP FIVE

1. Texas to host first grid-connected geothermal energy storage project

Plans are underway in Texas to build what will become the first geothermal energy storage project to deliver power to the grid. The 3-megawatt EarthStore project will be located in Christine, Texas, and operated by Sage Geosystems. It will connect with the ERCOT grid, storing energy to be deployed on demand. Advanced geothermal reservoirs harness the heat under the Earth’s surface to generate energy. They can store power that’s been generated by wind or solar in the form of hot water or steam, and some research suggests this process could be more efficient and perhaps cheaper than using batteries. Either way, as renewable capacity ramps up, the more storage options, the better. The project is expected to be ready by the end of 2024.

2. Greece assesses damage from wildfire near Athens

The wildfire on the outskirts of Athens this week burned 40 square miles of land, or an area about twice the size of Manhattan, according to satellite data from the Copernicus Emergency Management Service. One person was killed and at least 78 homes were lost to the flames. Intense drought conditions, combined with soaring temperatures, have turned Greece into a tinderbox, with more than 3,500 fires ignited since May, up nearly 50% from the same period last year. More than one-third of the forests surrounding Athens have been scorched by wildfires over the last eight years.

Copernicus Emergency Management Service

3. Report: U.S. will back global plastics treaty

The U.S. will support a United Nations treaty to cap the amount of new plastic produced annually, Reuters reported. America is one of the world’s most prolific plastic makers, and has previously supported the idea that each country should be able to manage its own production. But many other nations have called for limiting and phasing down new plastic production to curb pollution and toxic chemicals, an initiative the U.S. seems to be warming to. Most plastics are made from fossil fuels, and major producers like China and Saudi Arabia have argued that the focus should be on recycling and reusing, instead of limiting production overall. The final talks over the UN plastics treaty are scheduled for November.

4. Maersk joins initiative to study nuclear-powered ships

Danish shipping giant Maersk is interested in studying the feasibility of nuclear-powered cargo ships. The company will team up with maritime services firm Lloyd’s Register and Core Power to figure out how a nuclear reactor could be fitted on a vessel, plus what kinds of safety precautions and regulations would need to be in place. “Nuclear power holds a number of challenges related to for example safety, waste management, and regulatory acceptance across regions, and so far, the downsides have clearly outweighed the benefits of the technology,” Ole Graa Jakobsen, Maersk’s head of fleet technology, said in a statement. “If these challenges can be addressed by development of the new so-called fourth-generation reactor designs, nuclear power could potentially mature into another possible decarbonization pathway for the logistics industry 10 to 15 years in the future,” he said. The shipping sector accounts for about 3% of global carbon dioxide emissions, and guidelines from the International Maritime Organization set out in 2023 require companies to cut emissions by 40% by 2030.

5. China’s OceanX floating wind turbine reaches wind farm

This week a giant, two-headed, floating offshore wind turbine has been on a 50-hour, 191-nautical-mile journey from Guangzhou, China, to its final destination in the Qingzhou IV Offshore Wind Farm in Yangjiang. Yesterday it finally arrived safely. The OceanX is the world’s largest floating wind turbine platform in terms of capacity. The company behind it, Mingyang Smart Energy, says the platform can produce 54 million kWh annually, enough to power 30,000 households. It’s made to be used in deep water and the company says it can withstand the kind of high winds and waves generated by typhoons.

THE KICKER

New analysis finds that enacting the policies outlined in the conservative blueprint Project 2025 would result in 1.7 million fewer jobs, 2,000 pollution-related premature deaths, and boost U.S. emissions by about 780 million metric tons per year by 2030.

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AM Briefing

PoorWeave

On X-energy’s next plant, Italian power, and Chinese solar exports

A data center interior.
Heatmap Illustration/Getty Images

Current conditions: A new nor’easter is washing the ocean over North Carolina’s Highway 12 right as crews complete reconstruction on the Outer Banks thoroughfare following last month’s storm • After whipping Mexico’s Pacific Coast with heavy rains, Hurricane Trudy has weakened to a Category 1 storm • Super Typhoon Champi knocked out power for more than half of Guam before barreling toward the Philippines as a potential Category 5 storm.


THE TOP FIVE

1. Wall Street’s AI rout ends for chipmakers, but not for indebted cloud computing giants

Last week was the worst week for the tech-heavy Nasdaq 100 Index since President Donald Trump’s tariffs roiled the market in April 2025. The reason? Hotter than expected federal data on inflation fueled fears of an interest rate hike that could prove devastating to the buildout of artificial intelligence infrastructure. Investors were already worrying the physical investments would cost more than giants such as ChatGPT-maker OpenAI or Claude-creator Anthropic are set to earn. But on Monday, semiconductor makers such as Oracle, Intel, and Micron Technology rallied as the AI rout came to an end. Yet CoreWeave, the cloud-computing heavyweight that led the selloff last week, closed slightly lower. The issue, investors told CNBC, is the company’s debt load. “The market tends to get worried about companies that have refinance risk when rates are higher, and CoreWeave was a little bit of the poster child,” John Lloyd, global head of multi-sector and corporate credit at Janus Henderson, whose firm owns CoreWeave bonds due in 2031, told the broadcaster. “They need the debt markets in order to grow, in some form or fashion.” That CoreWeave came close to bouncing back at all comes down at least in part to Ark Investment Management chief Cathie Wood opting to buy about $12 million of shares in the company amid the market plunge last week, a play for which The Street notes she’s known. Notably, Oracle, which was previously dubbed the “canary in the coal mine” for concern over AI debt, closed just 1% higher before plunging in after-market trading.

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Climate Tech

Exclusive: Veckta Raises $11 Million to Help Businesses Buy Onsite Solar and Storage

The company simplifies the process of getting consistent, apples-to-apples bids.

Solar panels.
Heatmap Illustration/Getty Images

With commercial electricity prices steadily climbing, many businesses and real estate owners are increasingly eager to generate and store their own power onsite, cutting their bills and making costs more predictable. But figuring out whether solar and storage can actually pencil out — and under what conditions — can be a nightmare. Ask a handful of developers for a quote and you might get a rooftop solar array from one, a ground-mounted solar and battery system from another, and a gas turbine from a third, each with its own size, price, and financing terms.

That leaves buyers comparing apples to oranges. And for businesses evaluating a portfolio of potential projects, the process gets even messier. “These are very local-centric systems. Different interconnection requirements, different permits, different suppliers,” Gareth Evans, CEO of the onsite energy planning and procurement startup Veckta, told me. “There are hundreds of solar developers in every state.” The hard part, he added, is “knowing what supplier to go with, how to ask them the right questions in the right language, in the right format, so that you’re getting consistent bids back that you can compare and contrast.”

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Daily Briefing

China’s Thriving New Energy Exports

The Iran war has been a gift to the country’s vehicle, solar, and battery business.

Xi Jinping.
Heatmap Illustration/Getty Images

This is Heatmap Daily, a weekday evening digest written by our executive editor.

Happy Monday and welcome back. For months now, we’ve been talking about how the U.S. and Israel’s war in Iran has been a boon for electric vehicles, clean energy, and (unfortunately) coal.

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