Ideas
Summer Electricity Bills Don’t Have to Be This Crazy
The problem isn’t just affordability, two researchers from Heatmap and MIT’s Electricity Price Hub argue. Bill volatility also creates pain for electricity consumers.
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The problem isn’t just affordability, two researchers from Heatmap and MIT’s Electricity Price Hub argue. Bill volatility also creates pain for electricity consumers.
On Trump’s mineral deals, the gas turbine backlog, and Turkic offshore wind
Investment in zero-carbon energy and transportation surged this spring, driven by consumer EV and battery buying.
As costs rise, more proceeds from the Regional Greenhouse Gas Initiative are going to direct bill relief.
On transmission corridors, China’s Russian reactor, and long-duration energy storage
On copper prices, nuclear’s jellyfish woes, and Leo DiCaprio’s Chilean NIMBYism
This type of clean energy infrastructure is booming across the country.
This is an edition of Heatmap Daily, an evening review of the day’s news written by our executive editor. Sign up for it here.
You know it, and I know it: The United States struggles to build certain kinds of large-scale energy infrastructure. That presents a challenge for people who, say, want to decarbonize the economy, because decarbonizing will require replacing the stock of fossil fuel-consuming power plants and pipelines with new clean alternatives. Even carbon-intensive industries, such as data centers, have started to hit bottlenecks.
Yet there is at least one energy industry that’s pulling off year-over-year, double-digit growth rates in the United States right now — and it’s not data centers.
It’s batteries. The battery storage industry is booming across the country, according to new data from the Energy Information Administration. The amount of utility-scale battery storage capacity has grown by an average of 70% over the past three years, according to a recent EIA article. Developers and utilities have added 8.3 gigawatts of capacity just in the first six months of this year, and the agency says that we could add another 14 gigawatts by the beginning of 2027.
Our nerdier readers will understand this, but this battery boom is changing the nature of electricity itself. Until recently, the easiest way to store electricity was to keep a stash of unused fuel on the same site as a power plant, usually in the form of coal, natural gas, diesel, or uranium. There were other ways to store power — perhaps by building a pumped storage hydropower facility — but they weren’t particularly easy, cheap, or modular, and their constraints only made them suitable for some sites.
But lithium-ion batteries have allowed developers to quickly build out battery storage facilities across the country. I recently came across such a site while hiking in Harriman State Park, 40 miles north of New York City, where the local utility had built grid-scale batteries near a substation to help stabilize the grid. (It was like meeting a celebrity.) And while batteries are not necessarily clean, per se — they can technically save any “type” of electricity for later — solar farms are building larger batteries than any other type of power plant, the EIA says.
It helps that the Inflation Reduction Act’s tax incentives for grid-scale battery construction survived President Donald Trump’s partial repeal last year. The battery boom has stabilized other parts of the clean energy economy. Ford and General Motors have invested in grid-scale battery technology or retooled what were once EV production lines to make grid-scale batteries instead.
None of this, to be clear, is to say it's always easy to develop batteries. There are now 74 gigawatts of pending battery projects across the country, according to Heatmap Pro data. About 34 projects — totaling at least 6.1 gigawatts — have been canceled over the past few years, our data shows.
Yet our data — and the EIA’s — also shows that dozens of battery projects have overcome public opposition and successfully gotten built. I expect we'll see even more power on in the future.
On the Ice Silk Road, China’s oil, and Puerto Rico’s blackouts
Current conditions: The devastating 7.4-magnitude earthquake that struck Colombia has left at least 111 dead • Severe thunderstorms once again caused ground stops at New York City’s airports, stranding your correspondent at Chicago O’Hare for the entire afternoon • Tropical Storm Chan-Hom is battering Tokyo.
The United States sweltered through its hottest month in more than 130 years of analysis, breaking records set during the 1930s Dust Bowl. The average temperatures in the lower 48 states in July came out to 76.89 degrees Fahrenheit, 0.12 degrees above the value from July 1936. “Those who deny or dismiss U.S. climate change have hit a Waterloo moment of sorts,” wrote Yale Climate Connections.
The water levels in Lake Mead, meanwhile, have dropped to a record low as drought parches the American West. “This is a significant wake-up call,” J.B. Hamby, chairman of the Colorado River Board of California and the state’s lead negotiator, told The New York Times. “We need to have long-term solutions that are going to get us away from the precipice.”
For years, the world’s great powers have jockeyed for control of the Arctic as climate change thawed sea ice enough to open new shipping routes across the frigid polar region. Now China is poised to launch its first regular container shipping service through the frigid North. On Monday, the Financial Times reported that Sea Legend, a Chinese cargo vessel that delivers to ports in Turkey and North Africa, will begin weekly service through the Arctic with a route following Russia’s northern coastline. Beijing is calling the approach its “Ice Silk Road.”
The Trump administration, meanwhile, told researchers Monday that it would stop funding the National Oceanic and Atmospheric Administration's lead report on how climate change is affecting the Arctic, Politico reported.
The Trump administration won federal approval to reconsider the environmental review for the stalled Atlantic Shores offshore wind project off Atlantic City, New Jersey. Previously a joint venture between the French energy giant EDF and the oil behemoth Shell until the latter company pulled out following Trump’s reelection, the remaining developer had argued in court that the approval process completed under the Biden administration could not be reopened. While the company “points to various ways that it believes that Congress has limited” the Department of the Interior’s authority to reconsider a review, “none speak with the exquisite specificity to undercut” the government’s right to remand the approval, according to court documents Heatmap obtained last night. Acknowledging the potential for the White House to bog down the procedure in bureaucracy, the court said it will require the Trump administration to provide a status report for why a 120-day deadline for revisiting the review would not be possible. My colleague Jael Holzman had put the project on death watch last year.
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If you listened to any of Tesla’s recent earnings calls, you know that Elon Musk has a lot of big plans for the company that don’t involve luxury electric vehicles with large in-dash homescreens. The company wants to mass produce humanoid robots. It’s promised to basically double America’s output of solar panels. And it’s aiming to build a $16.8 billion chip factory to rival Taiwan’s semiconductor industry. Yet that facility won’t be powered by Tesla’s solar. Instead, Musk said that his other company, SpaceX, will set up batteries and natural gas to keep the lights on for the plant. “The plant sits on the site of a former coal-fired power plant, and SpaceX plans to power it with newly built natural gas plants and batteries,” Electrek reporter Fred Lambert wrote. “So the compute future gets built on the same fossil ground as the past. Just swap coal for gas.”
At the start of the Iran War, a four-dimensional chess interpretation of President Donald Trump’s motivations posited that the conflict was actually about asserting control over China’s supply of hydrocarbons. Six months into the war, The Economist has declared China “the world’s great oil power.” Despite relatively limited domestic supplies, the People’s Republic managed to seize control over its energy fate through stockpiling, restricting exports, and curbing domestic demand by, for example, encouraging city dwellers to take mass transit and or cycle over driving. Among the other ways Beijing is limiting demand, as I have written previously: It’s pouring money into green hydrogen, ammonia, and methanol.

Puerto Rico’s blackouts got worse last year without extreme weather bringing on the outages. The latest data from the U.S. Energy Information Administration shows that the island’s beleaguered ratepayers suffered an average of 36 hours of power interrupts that were not caused by major events such as hurricanes. That’s 19% more than in 2024. Between 2021 and 2025, Puerto Ricans experienced a combined average of 29 hours of power loss each year.