Microsoft 20-yr offtake from restarted Three Mile Island Unit 1 (Crane Clean Energy Center) — 835 MW; Constellation now expects to provide electricity in 2027 (formal commitment still summer 2028), main power transformer delivered 2026-08-17, NRC operating license expected ~May 2027
835 MW (targeting 2027)observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| As of | 2026-08 |
| Source | Constellation; Pennsylvania Capital-Star / ABC27 (transformer delivery 2026-08-17; ~90 operators in NRC licensing; fuel by end-2026) |
| Review | checking…review by 2026-09-30 · standard cadence |
| Recorded changes | last 2026-08-19 · 2 revisions tracked |
| Claim id | microsoft-20-yr-offtake-from-restarted-three |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.