Constellation Gets Conditional Loan Up To $5 Billion For US Nuclear Plant Uprates

Proposed investments could add 1.1 GW of reactor capacity

Constellation Gets Conditional Loan Up To $5 Billion For US Nuclear Plant Uprates
US energy secretary Chris Wright at Constellation’s Byron nuclear power station in Illinois on 27 October 2026. Courtesy DOE.

The US Department of Energy (DOE) has offered utility Constellation Energy a conditional loan commitment of up to $5bn (€4.4bn) to finance nuclear power uprates and modernisation at eight nuclear power sites in Illinois, Maryland and Pennsylvania.

The proposed investments could add nearly 1.1 GW of generating capacity to the nation’s existing nuclear fleet.

The DOE’s Office of Energy Dominance Financing announced the commitment on 27 October during energy secretary Chris Wright’s visit to Constellation’s Byron nuclear power station in Illinois.

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