Meta and Constellation Partner on Clean Energy Project
Meta · Jun 3, 2025
Supports: 20-year agreement, June 2027 start, 1,121 MW output, and 30 MW uprate within the total.
Open sourceB3Front-of-meter PPA
Meta – Constellation Clinton PPA
Announced Jun 3, 2025Clinton Clean Energy CenterAug 3, 2026
Firm capacity
1,121 MW
Optioned capacity
Not disclosed
Evidence assessment
What the public record supports, without upgrading incomplete claims.
B3 contractual evidence
Meta and Constellation signed a 20-year PPA for the output of Clinton, beginning in June 2027.
The disclosed 1,121 MW output already includes the 30 MW uprate, so the uprate is not added again.
Record history
Milestones remain visible when later evidence supersedes them.
- Announced
Jun 3, 2025
- Updated
Dec 16, 2025
NRC renewed Clinton's operating license for 20 years.
Primary evidence
Open the cited record and verify the claim at its source.
Constellation, Meta Sign 20-Year Deal for Clean, Reliable Nuclear Energy in Illinois
Constellation Energy · Jun 3, 2025
Supports: Signed PPA structure, site, duration, and capacity.
Open sourceNRC Renews Operating Licenses for Clinton and Dresden
Constellation Energy · Dec 16, 2025
Supports: NRC approval of Clinton's 20-year initial license renewal.
Open source