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Sparks

Wow, It’s Hot in D.C.

And last week we had snow. What a world.

The Capitol.
Heatmap Illustration/Getty Images

The temperature rose to 80 degrees Fahrenheit in Washington, D.C. today. That is weird because it’s currently January 26, and because about four inches of snow fell last week. (Literally, D.C. public schools had a snow day a week ago.) Now the snow has melted and people are walking around in shorts and t-shirts.

While it can be hard to attribute individual weather events to climate change, “freakishly warm winter days” are an exception. Washington’s winters have gotten significantly warmer lately because of climate change. Across the country, climate change is making winters warmer and less snowy.

As a Washingtonian, I’ll add that these warmer days are especially odd because the sun is still at a slanty January angle. At 2 p.m. the sun was less than 30 degrees above the horizon; that’s the same height it would be at, say, 5 or 6 p.m. in June or July. So it looks and feels like a cool summer evening here — but it’s actually a bright winter early afternoon. Global weirding is right.

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Sparks

The Latest Eye-Popping Numbers on Data Center Electricity Demand Are In

PJM’s market monitor got spicy in its latest annual report.

The PJM logo and a graph.
Heatmap Illustration/Getty Images

The independent market monitor of PJM Interconnection, America’s largest electricity market spanning some or all of 13 states from the Jersey Shore to Chicago, took advantage of its latest annual report to share eye-popping figures on how data centers raise electricity costs and lambast existing proposals to fix it.

“Data center load growth is the primary reason for recent and expected capacity market conditions, including total forecast load growth, the tight supply and demand balance, and high prices,” the independent market monitor said in the report, released Thursday. Some PJM states like New Jersey and Maryland have seen some of the fastest retail electricity price hikes in the country, in part due to spiraling costs stemming from capacity auctions, in which generators bid to be available when the grid is stressed. Capacity prices have risen from $29 per megawatt-day to the statutory cap of around $330 in just a few years, costing ratepayers some $46.7 billion over the past three auctions. The total from the three prior auctions: $8.3 billion.

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Sparks

Judge to Trump on Congestion Pricing: Get Outta Here

“It is difficult to imagine more arbitrary and capricious decisionmaking than that at issue here.”

Zohran Mamdani and Kathy Hochul.
Heatmap Illustration/Getty Images, Library of Congress

A federal court shot down President Trump’s attempt to kill New York City’s congestion pricing program on Tuesday, allowing the city’s $9 toll on cars entering downtown Manhattan during peak hours to remain in effect.

Judge Lewis Liman of the U.S. District Court for the Southern District of New York ruled that the Trump administration’s termination of the program was illegal, writing, “It is difficult to imagine more arbitrary and capricious decisionmaking than that at issue here.”

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Sparks

RIP Trump’s Liberation Day and Fentanyl Tariffs

Clean energy stocks were up after the court ruled that the president lacked legal authority to impose the trade barriers.

The Supreme Court.
Heatmap Illustration/Getty Images

The Supreme Court struck down several of Donald Trump’s tariffs — the “fentanyl” tariffs on Canada, Mexico, and China and the worldwide “reciprocal” tariffs ostensibly designed to cure the trade deficit — on Friday morning, ruling that they are illegal under the International Emergency Economic Powers Act.

The actual details of refunding tariffs will have to be addressed by lower courts. Meanwhile, the White House has previewed plans to quickly reimpose tariffs under other, better-established authorities.

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