Inside Amazon's approach to data center sustainability: A conversation with Brandon Oyer

Amazon shared details on how it plans and pays for the massive data centers it needs to run AWS and its AI services. A company energy executive described how Amazon picks data center locations partly based on where added electricity demand can most help the broader grid, and said Amazon covers the cost of the power it uses plus the transmission lines, substations, and other grid upgrades needed to serve its facilities. Amazon has also signed a White House pledge committing to cover these costs rather than pass them to other electricity customers.

The company points to some early results: in Indiana, the utility Indiana Michigan Power cut base rates for customers, citing new revenue from large customers like Amazon. In Mississippi, Entergy plans $300 million in grid upgrades at no extra cost to customers, funded partly by Amazon's business, with a goal of cutting power outages in half over five years. Amazon is also investing in nuclear power, including small modular reactors, as part of its carbon-free energy mix.

On water, Amazon says it has cut water use at its data centers and increasingly uses treated wastewater instead of drinking water for cooling. It's also funding water projects elsewhere, including irrigation upgrades for Mississippi farmers and two water-supply projects in Oregon meant to reduce reliance on groundwater.

None of this requires anything from homeowners, but if you live near a utility territory where Amazon is building data centers, it's worth watching your own utility's rate filings, since these deals can affect what shows up on local electric bills.