Curtis Palmer Hydroelectric
Innergex Renewable Energy Inc.Saratoga County
Curtis Palmer combines the 12 MW Curtis Mills and 48 MW Palmer Falls run-of-river hydro facilities in Corinth, New York. Innergex lists both as operating, commissioned in 1986, and held in a 50-50 partnership with Hydro-Québec, with power agreements with Niagara Mohawk.
Mapped infrastructure geometry associated with this asset.
EIA plant 54580 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| C1 | Conventional Hydroelectric | Operating | 2.6 | Unknown |
| C2 | Conventional Hydroelectric | Operating | 2.6 | Unknown |
| C3 | Conventional Hydroelectric | Operating | 2.6 | Unknown |
| C4 | Conventional Hydroelectric | Operating | 1 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| C1 | 2.6 MW 2.5 MW summer | Conventional Hydroelectric Water · HY | Mar 1986 | Operating |
| C2 | 2.6 MW 2.5 MW summer | Conventional Hydroelectric Water · HY | Jan 1986 | Operating |
| C3 | 2.6 MW 2.4 MW summer | Conventional Hydroelectric Water · HY | Dec 1985 | Operating |
| C4 | 1 MW 1.1 MW summer | Conventional Hydroelectric Water · HY | Nov 1985 | Operating |
| C5 | 1 MW 1.1 MW summer | |||
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Project milestones and public references behind the asset profile.
EIA-860 lists generator C5 with this operating date.
| C5 | Conventional Hydroelectric | Operating | 1 | Unknown |
|---|
| P1 | Conventional Hydroelectric | Operating | 24.6 | Unknown |
|---|
| P2 | Conventional Hydroelectric | Operating | 24.6 | Unknown |
|---|
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
EIA-860 lists generator C4 with this operating date.
EIA-860 lists generator C3 with this operating date.
EIA-860 lists generator C2 with this operating date.
EIA-860 lists generator C1 with this operating date.
EIA-860 lists generator P2 with this operating date.
EIA-860 lists generator P1 with this operating date.
FERC Project No. 2609 license was issued following relicensing process.
CMS Energy Corporation closed the sale of its 12.5% ownership interest in Curtis/Palmer to International Paper Company.
International Paper Company completed the sale of Curtis/Palmer Hydroelectric Project to TransCanada PipeLines Limited.
TransCanada PipeLines Limited sold the ManChief and Curtis Palmer power facilities to TransCanada Power, L.P. for approximately US$402.6 million, excluding closing adjustments of US$12.8 million.
Capital Power acquired power-generation assets and operations from EPCOR effective July 1, 2009, including Curtis Palmer.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Curtis Palmer Hydroelectric reports 59 MW hydroelectric of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Curtis Palmer Hydroelectric is a Conventional Hydroelectric facility in Saratoga County, NY, participating in the NYISO market.
Curtis Palmer Hydroelectric is in Saratoga County, NY, inside the NYISO balancing area.
Curtis Palmer Hydroelectric is operated by Palmer Hydroelectric according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Curtis Palmer Hydroelectric reported 326.5 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.
By capacity, Curtis Palmer Hydroelectric ranks #236 of 1,356 operating plants of the same technology nationally. It ranks #3 of 156 in NY.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.