# Millstone Power Station

ISO-NE asset profile · https://askthegrid.com/assets/facilities/millstone-power-station

Two operating nuclear units in Waterford, Connecticut

Millstone is a two-unit nuclear station in Waterford, Connecticut, operating in ISO New England. Current EIA records total 2,259.9 MW of nameplate capacity across Units 2 and 3.

## Profile

- **License terms:** NRC records show current license expirations in 2035 for Unit 2 and 2045 for Unit 3.

## Metrics

- **EIA nameplate:** 2,259.9 MW — Plant total across Unit 2 (909.9 MW) and Unit 3 (1,350 MW).
- **Operating reactors:** 2 — NRC dockets 05000336 and 05000423.

## Facts

- **Unit 2 license expires:** July 31, 2035 · confidence: high
- **Unit 3 license expires:** November 25, 2045 · confidence: high

## Sources

- [Millstone Unit 2](https://www.nrc.gov/info-finder/reactors/mill2) — U.S. Nuclear Regulatory Commission · current regulator record — Official reactor design, operator, docket, and license-term record.
- [Millstone Unit 3](https://www.nrc.gov/info-finder/reactors/mill3) — U.S. Nuclear Regulatory Commission · current regulator record — Official reactor design, operator, docket, and license-term record.

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Canonical page: https://askthegrid.com/assets/facilities/millstone-power-station
Website: [Dominion Energy Nuclear Connecticut, Inc.](https://www.dominionenergy.com/about/making-energy/nuclear-facilities/millstone-power-station)

Source: Ask the Grid — https://askthegrid.com/