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Constellation announced on 20 September 2024 that it had signed a 20-year power purchase agreement with Microsoft that would pave the way for restarting Three Mile Island Unit 1 as the Crane Clean Energy Center, with Microsoft purchasing energy from the plant as part of its goal to match the power its PJM data centers use with carbon-free energy. Copy claim link
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Machine-checked, not reviewed by an editor Stated in source Supported
Supporting evidence: primary · 1 source
Date 2024-09-20 · announcement Figure measures grid connection Stated dates (targets and terms, not events) target operation: 2028 Stage contracted Quantity approximate · 835 megawatts (as worded: 'approximately 835 megawatts of carbon-free energy to the grid') Scope and limits Constellation's announcement of a signed agreement; the contract terms and price are not published. The restart required NRC approval (recorded separately) and is not recorded as having occurred. The 835 MW figure is Constellation's wording for energy added to the grid, not a contracted delivery volume; the 2028 online date is a 2024 projection, later restated by Constellation as 2027 (recorded separately).
The evidence 04 primary source Supports the claim
Constellation to Launch Crane Clean Energy Center, Restoring Jobs and Carbon-Free Power to The Grid ↗ Constellation Energy · 2024-09-20
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Source excerpt “announced today the signing of a 20-year power purchase agreement with Microsoft that will pave the way for the launch of the Crane Clean Energy Center (CCEC) and restart of Three Mile Island Unit 1” Location in source paragraph beginning “LONDONDERRY, PA (Sept 20, 2024) Constellation…”
How it was read Retrieved directly from the publisher
Machine-checked · 2026-10-30
Source details and check notes Authors Constellation Energy Version Retrieved for the candidate pack on 2026-10-28 (SHA-256 52698dd0bd39f629f2d322a8eb9cd210a1190be15dd8b3d84123d0872aca9f6e). Newsroom page as served on 2026-10-28 (redirects to /news/2024/…); dateline LONDONDERRY, PA (Sept 20, 2024). Retrieved again at admission on 2026-10-30 (SHA-256 52698dd0bd39f629f2d322a8eb9cd210a1190be15dd8b3d84123d0872aca9f6e, the same bytes). Its wording can change; earlier wording is not authenticated. Canonical address Open the canonical source ↗ Accessed 2026-10-28 Language English (en) Attribution Constellation Energy, “Constellation to Launch Crane Clean Energy Center, Restoring Jobs and Carbon-Free Power to The Grid”, 2024-09-20. Reuse No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution. Check notes Candidate pack passage, compute, power and orbit (research/compute-power-orbit). The quotation (35 words) matched the text retrieved for the candidate pack on 2026-10-28 and again at admission on 2026-10-30, in a fresh retrieval whose SHA-256 equals the pack’s. Matching ignored differences of whitespace, case, quotation marks, dashes and Unicode compatibility forms, so the source’s typography can differ. A cross-family machine check (2026-10-29/30, item 33) answered the record’s question blind from fresh retrievals and agreed with the record. No human editorial review. primary source Supports the claim
Constellation to Launch Crane Clean Energy Center, Restoring Jobs and Carbon-Free Power to The Grid ↗ Constellation Energy · 2024-09-20
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Source excerpt “Microsoft will purchase energy from the renewed plant as part of its goal to help match the power its data centers in PJM use with carbon-free energy.” Location in source paragraph beginning “LONDONDERRY, PA (Sept 20, 2024) Constellation…”
How it was read Retrieved directly from the publisher
Machine-checked · 2026-10-30
Source details and check notes Authors Constellation Energy Version Retrieved for the candidate pack on 2026-10-28 (SHA-256 52698dd0bd39f629f2d322a8eb9cd210a1190be15dd8b3d84123d0872aca9f6e). Newsroom page as served on 2026-10-28 (redirects to /news/2024/…); dateline LONDONDERRY, PA (Sept 20, 2024). Retrieved again at admission on 2026-10-30 (SHA-256 52698dd0bd39f629f2d322a8eb9cd210a1190be15dd8b3d84123d0872aca9f6e, the same bytes). Its wording can change; earlier wording is not authenticated. Canonical address Open the canonical source ↗ Accessed 2026-10-28 Language English (en) Attribution Constellation Energy, “Constellation to Launch Crane Clean Energy Center, Restoring Jobs and Carbon-Free Power to The Grid”, 2024-09-20. Reuse No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution. Check notes Candidate pack passage, compute, power and orbit (research/compute-power-orbit). The quotation (27 words) matched the text retrieved for the candidate pack on 2026-10-28 and again at admission on 2026-10-30, in a fresh retrieval whose SHA-256 equals the pack’s. Matching ignored differences of whitespace, case, quotation marks, dashes and Unicode compatibility forms, so the source’s typography can differ. A cross-family machine check (2026-10-29/30, item 33) answered the record’s question blind from fresh retrievals and agreed with the record. No human editorial review. primary source Supports the claim
Constellation to Launch Crane Clean Energy Center, Restoring Jobs and Carbon-Free Power to The Grid ↗ Constellation Energy · 2024-09-20
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Source excerpt “add approximately 835 megawatts of carbon-free energy to the grid” Location in source subheading
How it was read Retrieved directly from the publisher
Machine-checked · 2026-10-30
Source details and check notes Authors Constellation Energy Version Retrieved for the candidate pack on 2026-10-28 (SHA-256 52698dd0bd39f629f2d322a8eb9cd210a1190be15dd8b3d84123d0872aca9f6e). Newsroom page as served on 2026-10-28 (redirects to /news/2024/…); dateline LONDONDERRY, PA (Sept 20, 2024). Retrieved again at admission on 2026-10-30 (SHA-256 52698dd0bd39f629f2d322a8eb9cd210a1190be15dd8b3d84123d0872aca9f6e, the same bytes). Its wording can change; earlier wording is not authenticated. Canonical address Open the canonical source ↗ Accessed 2026-10-28 Language English (en) Attribution Constellation Energy, “Constellation to Launch Crane Clean Energy Center, Restoring Jobs and Carbon-Free Power to The Grid”, 2024-09-20. Reuse No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution. Check notes Candidate pack passage, compute, power and orbit (research/compute-power-orbit). The quotation (10 words) matched the text retrieved for the candidate pack on 2026-10-28 and again at admission on 2026-10-30, in a fresh retrieval whose SHA-256 equals the pack’s. Matching ignored differences of whitespace, case, quotation marks, dashes and Unicode compatibility forms, so the source’s typography can differ. A cross-family machine check (2026-10-29/30, item 33) answered the record’s question blind from fresh retrievals and agreed with the record. No human editorial review. primary source Supports the claim
Constellation to Launch Crane Clean Energy Center, Restoring Jobs and Carbon-Free Power to The Grid ↗ Constellation Energy · 2024-09-20
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Source excerpt “The CCEC is expected to be online in 2028.” Location in source paragraph beginning “The Unit 1 reactor is located…”
How it was read Retrieved directly from the publisher
Machine-checked · 2026-10-30
Source details and check notes Authors Constellation Energy Version Retrieved for the candidate pack on 2026-10-28 (SHA-256 52698dd0bd39f629f2d322a8eb9cd210a1190be15dd8b3d84123d0872aca9f6e). Newsroom page as served on 2026-10-28 (redirects to /news/2024/…); dateline LONDONDERRY, PA (Sept 20, 2024). Retrieved again at admission on 2026-10-30 (SHA-256 52698dd0bd39f629f2d322a8eb9cd210a1190be15dd8b3d84123d0872aca9f6e, the same bytes). Its wording can change; earlier wording is not authenticated. Canonical address Open the canonical source ↗ Accessed 2026-10-28 Language English (en) Attribution Constellation Energy, “Constellation to Launch Crane Clean Energy Center, Restoring Jobs and Carbon-Free Power to The Grid”, 2024-09-20. Reuse No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution. Check notes Candidate pack passage, compute, power and orbit (research/compute-power-orbit). The quotation (9 words) matched the text retrieved for the candidate pack on 2026-10-28 and again at admission on 2026-10-30, in a fresh retrieval whose SHA-256 equals the pack’s. Matching ignored differences of whitespace, case, quotation marks, dashes and Unicode compatibility forms, so the source’s typography can differ. A cross-family machine check (2026-10-29/30, item 33) answered the record’s question blind from fresh retrievals and agreed with the record. No human editorial review. Status and meaning Editorial status. Not reviewed by an editor . An exploratory record that no editor has accepted. This status does not say whether a person has read any linked passage. Each evidence record above shows how it was checked.
Relation. A stated agreement on electricity supply, a power purchase, a plant restart or the development of generation, at the stage the parties state. It is not delivery of power, and an agreement to explore is not a contract.
Date. Signing stated by Constellation in the release; the signature date itself is not given.
Record ID cpo-pw-msft-constellation-crane-ppa