Lewiston Pump Generating Plant
New York Power Authority - Niagara County - NYISO
The Lewiston Pump Generating Plant is a 240 MW hydroelectric pumped-storage facility operated by the New York Power Authority. It is the pumped-storage component of the Niagara Power Project, located in Lewiston, Niagara County, New York. The facility consists of 12 reversible pump-turbine units, each rated at approximately 20 MW, and uses the Lewiston Reservoir and the Niagara project forebay for water storage and cycling. The plant provides peak-demand hydropower during high-demand periods and is hydraulically and electrically coupled to the adjacent Robert Moses Niagara Power Plant. The Lewiston facility is distinct from the Robert Moses plant, which is a 2,525 MW conventional hydroelectric facility. Together, the two plants form the Niagara Power Project, which was the largest hydropower facility in the Western world when it began operation in 1961.
Overview
Key fields
- Nameplate capacity
- 220 MW
Canonical EIA plant baseline.
- Registry anchor
- Plant 2692
plant-2692
Structured profile
- Technology
- Hydroelectric Pumped Storage
- Operator
- New York Power Authority
Commercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Transactions and agreements
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
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Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Owner / operator | Owner and operator | |
| Regulator | FERC license and regulatory authority | |
| Balancing authority / market operator | Wholesale market operator and balancing authority | |
| EPC contractor | Gracon LLC | Construction contractor and overhaul service provider |
| Parent company | Parent project | |
| Grid selection | plant:plant-2692 | Canonical asset page /nyiso/assets/plant/lewiston-pump-generating-plant. |
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Construction Begannypa.gov
The New York Power Authority began construction of the Niagara Power Project by March 1958.
- FERC Relicensing Applicationfederalregi...
The New York Power Authority filed an application for a new major hydroelectric license (FERC Project No. P-2216-066) with the Federal Energy Regulatory Commission. The application expressly identified the Niagara Power Project as consisting of the Lewiston Pump Generating Plant and the Robert Moses Niagara Power Plant.
- Renewed federal operating licensenypa.gov
FERC issued a new 50-year federal operating license for the Niagara Power Project.
- Next Generation Niagara modernization program launchednypa.gov
NYPA launched the $1.1 billion Next Generation Niagara program to extend the operating life and modernize the broader Niagara Power Project through digital technologies and equipment replacement.
Sources
Common questions about Lewiston Pump Generating Plant
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
How big is Lewiston Pump Generating Plant?
Lewiston Pump Generating Plant has a reported capacity of 220 MW. Source: EIA Form 860M.
What kind of plant is Lewiston Pump Generating Plant?
Lewiston Pump Generating Plant is a Hydroelectric Pumped Storage facility in Niagara County, NY, participating in the NYISO market.
Where is Lewiston Pump Generating Plant located?
Lewiston Pump Generating Plant is in Niagara County, NY, inside the NYISO balancing area.
Who operates Lewiston Pump Generating Plant?
Lewiston Pump Generating Plant is operated by New York Power Authority according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Co-located assets
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.
Related assets
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