Old jet engines are being used to power some AI data centers

In short: Some data centers are using retired jet engines as generators to make electricity for AI computing when grid power is limited.

What's going on

Data centers, the warehouse-like buildings that run online services, are facing growing demand for electricity. A big driver is AI, which often needs many computers running at once to train and operate models.

According to The New York Times, one response has been to buy old jet engines from aircraft “boneyards” (storage lots for retired planes) and use them as on-site power generators. In simple terms, it is like using a plane engine as a very large, very fast spinning motor to help make electricity.

These engines can be paired with generator equipment and fuel systems so a facility can produce some of its own power. This can help when local electric grids cannot deliver enough electricity quickly, or when a company wants a backup power source beyond standard diesel generators.

What to watch

More on-site generation could speed up the buildout of new data centers, but it raises questions about fuel use, air pollution, and local permitting. Watch for responses from regulators and communities, and for whether data center operators shift toward cleaner options, like building new grid connections, adding battery storage (big rechargeable packs), or using lower-emission power sources.

Source: NYTimes