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US power stocks plummet as DeepSeek raises data center demand doubts

The shares of U.S. utility, power and natural gas companies fell on Monday, in some of their biggest one-day drops ever recorded, as new AI from Chinese start up DeepSeek cast doubts on the projected surge in U.S. tech spending and electricity demand.

The S&P 500 index rewarded power producers last year, as they anticipated a surge in demand for energy from data centers that are needed to scale Big Tech’s artificial intelligence technology.

Analysts and economists have said that the wider adoption of AI-based models, such as DeepSeek's, which they claim was built in just two months, and is cheaper than those currently used by U.S. firms, could lead to a reduction in electricity demand and a decrease in power generation.

Analysts at Evercore ISI wrote in a report that if the open-source DeepSeek model is proven to be true, hyperscalers can apply the efficiency of the DeepSeek model to their own models. This would lead to a moderated demand.

Over the past year, Big Tech companies, also known as hyperscaling-data center developers, invested tens and tens billions in AI data centers.

According to a report by the Lawrence Berkeley National Laboratory, in the U.S. data centers will consume approximately 4.4% of the electricity consumed by all sources by 2023, but 6.7% to 12 % of the total power consumption by 2028.

Constellation Energy's shares, which had risen by more than 100% in 2024, were down about 20% on Monday following news about DeepSeek.

Vistra fell 30%, while Talen Energy Corp. dropped 22%.

DeepSeek AI may also slow the deployment of data centres by current AI leaders based in Silicon Valley. DeepSeek AI's assistance overtook U.S. rival ChatGPT as the most downloaded app in Apple's App Store on Monday.

Ed Hirs is an energy economist from the University of Houston. He said that with the adoption of AI and even more energy-efficient model, the demand for power could increase everywhere. He warned that selling off power stocks would be a shortsighted and short lived decision.

Hirs explained that if DeepSeek is what everyone wants and the U.S. firms change their algorithms in order to adapt to it, then it will mean a faster, wider development.

Even producers of feedstocks for power generation and electricity companies were still under pressure.

Constellation purchased private natural gas producer Calpine Energy earlier this month for $16.4 billion, one of the biggest deals in U.S. electricity industry history. This is a sign that there are rising expectations for gas to grow as a source of generation for AI.

The shares of publicly traded producers of natural gases, which make up the largest share of fuels that are used to produce electricity in the United States also fell.

EQT Corp fell 9%. Energy Transfer, a midstream operator that has said it received connection requests for dozens of data centres, is down around 7%. (Reporting from Liz Hampton in Houston, and Laila Kearney in New York. Editing by Sonali Pau)

(source: Reuters)