World Power Plants

Sanmexia400 MW Hydroelectric

HydroRenewable

The Sanmexia power plant, located in central China at coordinates 34.8300, 111.3400, is a notable hydroelectric facility commissioned in 1960. With a capacity of 400 MW, this power generation facility plays a crucial role in providing renewable energy to the local grid, contributing to China's efforts to enhance its energy mix with sustainable sources. As a hydroelectric power plant, Sanmexia utilizes dam technology to convert the kinetic energy of flowing water into electricity, making it a significant asset in the region's energy generation landscape. Situated in Henan province, the Sanmexia power plant is strategically important for both local and national energy strategies. The facility supports the energy demands of the surrounding communities and industries, helping to stabilize the grid and reduce reliance on fossil fuels. Hydroelectric power is recognized as a clean source of energy, and the operation of the Sanmexia plant aligns with China's commitment to increasing its share of renewables in the energy mix. The significance of the Sanmexia power plant extends beyond its capacity, as it represents the potential of hydroelectric generation to provide sustainable electricity while addressing environmental concerns. The facility's operational efficiency and the clean energy it produces contribute positively to the local economy and the overall energy security of the region. As China continues to navigate its energy policy landscape, the Sanmexia power plant stands as a testament to the country's dedication to fostering renewable energy sources and achieving a sustainable energy future.

Capacity
400 MW
Commissioning Year
1960

66 years old

Owner
Location
34.8300°, 111.3400°

China, Asia

Context & rankings
  • 995. largest of 4,431 plants in China
  • #5,237 worldwide by installed capacity
  • #863 of 8,493 Hydroelectric plants worldwide
  • 0.02% of the installed capacity of China
Age & fleet comparison

66 years in operation

Hydroelectric fleet average: 42.1 years

Regional density

25 plants within 100 km, 11,655 MW combined

Nearest plant: Henan Yuxi Yanshan Wind (9.5 km)

Data provenance

Source: Baike

Location

Coordinates:: 34.830000, 111.340000
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Sanmexia is a hydro power plant producing approximately 1402 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
China
Continent
Asia
Data Source
Global Power Plant Database

ChinaEnergy Profile

4,431
Total Plants
1617.1 GW
Total Capacity
CoalHydroNuclearGas
Top Fuels

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