World Power Plants

Duke Building 1293.4 MW Solar

SolarRenewableVerified: Jul 2026

Duke Building 129 is a 3.4 MW solar power plant in the United States, operated by Half Moon Ventures LLC since 2015. Ranked #1565 of 3289 solar plants in the United States, Duke Building 129's 3.4 MW represents 0.01% of the country's total solar capacity of 40,823 MW. The largest solar plant in the United States is Sandstone Solar Energy Project at 2,000 MW, making Duke Building 129 588 times smaller. Nearby plants include Harding Street (1,064.7 MW, Gas), Harding Street Generating Station (1,064.7 MW, Gas), and Eagle Valley (IN) (644 MW, Gas). The facility is located in Indiana, approximately 50 km southeast of Indianapolis.

Capacity
3.4 MW
Commissioning Year
2015

11 years old

Owner
Half Moon Ventures LLC
Location
39.9108°, -86.2453°

United States of America, North America

Context & rankings
  • 7,029. largest of 10,098 plants in United States of America
  • #31,649 worldwide by installed capacity
  • #7,697 of 11,042 Solar plants worldwide
Age & fleet comparison

11 years in operation

Solar fleet average: 10.4 years

Operator portfolio

Half Moon Ventures LLC operates 7 plants totalling 21 MW

Regional density

62 plants within 100 km, 4,474 MW combined

Nearest plant: Marion Solar LNG (0.7 km)

Location

Coordinates:: 39.910800, -86.245300
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Duke Building 129 is a solar power plant producing approximately 5 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~41 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

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

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
GasCoalNuclearWind
Top Fuels

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