World Power Plants

Blenheim Gilboa1,000 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Blenheim Gilboa, located in New York, USA, is a prominent hydroelectric power plant with a capacity of 1000 MW, operated by the New York Power Authority. This facility has been a cornerstone of New York's energy generation since its commissioning in 1973 and continues to play a critical role in the regional energy mix. Constructed along the Schoharie Reservoir, Blenheim Gilboa utilizes dam technology to harness the power of flowing water for electricity generation, making it a significant renewable energy resource. The coordinates 42.4423° N latitude and 74.4479° W place it in an area rich in hydro potential, which is capitalized on to provide clean energy to the local grid. As New York aims to enhance its renewable energy portfolio, the Blenheim Gilboa plant contributes significantly to the state's ambitious energy goals, including reducing greenhouse gas emissions and increasing reliance on renewable sources. The operational advantages of hydroelectric power, such as its ability to provide base-load generation and rapid response to demand fluctuations, make this plant a vital asset for ensuring grid stability. Furthermore, the Blenheim Gilboa facility exemplifies New York’s commitment to sustainable energy generation, showcasing the value of long-established hydro technology in meeting contemporary energy needs while promoting environmental stewardship.

Capacity
1,000 MW

1.00 GW

Commissioning Year
1973

53 years old

Owner
New York Power Authority
Location
42.4423°, -74.4479°

United States of America, North America

Context & rankings
  • 394. largest of 10,098 plants in United States of America
  • #2,414 worldwide by installed capacity
  • #355 of 8,493 Hydroelectric plants worldwide
  • 0.07% of the installed capacity of United States of America
Age & fleet comparison

53 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

New York Power Authority operates 19 plants totalling 5,870 MW

Regional density

109 plants within 100 km, 4,010 MW combined

Nearest plant: Sharon Springs (38.3 km)

Location

Coordinates:: 42.442300, -74.447900
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Blenheim Gilboa is a hydro power plant producing approximately 3504 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

Blenheim Gilboa Hydroelectric Power Plant: A Key Asset in New York's Renewable Energy Landscape

The Blenheim Gilboa Hydroelectric Power Plant is a significant energy facility located in New York, USA, with a total generation capacity of 1000 megawatts (MW). Commissioned in 1973 by the New York Power Authority (NYPA), this power plant plays a crucial role in the state's energy sector, contributing to the state's renewable energy goals and providing a stable supply of electricity to the regional grid. As a hydroelectric power plant, Blenheim Gilboa utilizes the kinetic energy of flowing water to generate electricity, making it a vital component of the renewable energy infrastructure in New York.

Blenheim Gilboa operates by harnessing the natural flow of the Schoharie Creek, which is transformed into mechanical energy through its turbines. The facility has a series of reservoirs and water control systems that allow it to regulate water flow, thereby optimizing electricity generation. The primary fuel source for hydroelectric plants like Blenheim Gilboa is water, providing a clean and sustainable alternative to fossil fuels. This reliance on a renewable resource not only supports energy production but also helps reduce greenhouse gas emissions associated with traditional energy generation methods.

The environmental impact of the Blenheim Gilboa plant is generally positive when compared to fossil fuel-based power generation. By using water as its fuel source, the plant minimizes air pollution and reduces carbon emissions, contributing to better air quality in the surrounding regions. Additionally, hydroelectric power plants can support local ecosystems by maintaining water levels and flow rates in rivers and streams. However, there are environmental considerations, such as the influence on aquatic habitats and fish populations, which necessitate careful management and monitoring to ensure ecological balance.

Regionally, the Blenheim Gilboa Hydroelectric Power Plant serves as a critical energy resource for the northeastern United States. It not only provides electricity to millions of homes and businesses but also contributes to grid stability by offering an immediate and reliable source of power during peak demand periods. The plant's ability to quickly ramp up electricity generation makes it an essential asset in balancing supply and demand in the electric grid, particularly during times of high consumption or when other energy sources are less reliable.

As New York continues to transition towards a more sustainable energy future, the Blenheim Gilboa plant remains a pivotal player in the state's strategy to increase renewable energy production. Its significant capacity and operational efficiency position it as a cornerstone of the region's energy landscape, helping to meet both current and future energy needs while promoting environmental sustainability.

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
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