signed
Microsoft–Constellation 20-year PPA to restart Three Mile Island Unit 1
Microsoft signed a 20-year power purchase agreement for the output of Three Mile Island Unit 1, renamed the Crane Clean Energy Center. The 835 MW unit is due to restart around 2028 to match Microsoft's data center load in PJM.
- Value
- n/d
- Capacity
- PPA
- Term
- 20yrs
- Accelerators
- n/d
What the value means
0.835 GW plant (Crane Clean Energy Center, formerly Three Mile Island Unit 1); a 20-year purchase of its output, not delivered data center capacity. Financial terms not disclosed.
The record
Verified 9 Nov 2026- Announced
- Buyer
- Microsoft
- Seller / provider
- Constellation Energy
- ValueHeadline dollar value exactly as stated in the cited source.
- Not disclosed
- Capacity
- Power purchase: plant size in the note above
- Accelerators
- Not disclosed
- Chips
- Not named
- Term
- 20 years
- StatusBinding agreement disclosed
- signed
- Other parties
- None named
- Deal type
- power, nuclear
Sources
1Cite this deal
AI Compute Deals, “Microsoft–Constellation 20-year PPA to restart Three Mile Island Unit 1”, https://aicomputedeals.com/microsoft-constellation-crane-ppa-2024-09/ (verified 2026-11-09).
Data under CC BY 4.0. Download the full ledger.
Every deal for Microsoft and Constellation Energy.