World Power Plants

Union HS at Casa Grande is a 1.6 MW solar power plant in the United States, operated by Constellation Solar Holding LLC since 2013. Ranked #2468 of 3289 solar plants in the United States. This plant's 1.6 MW represents a small portion of the total solar capacity of 40,823 MW. The largest solar plant in the United States is the Sandstone Solar Energy Project at 2,000 MW, making Union HS at Casa Grande 1.25 times smaller. Nearby plants within 50 km include Santan (1,326 MW, Gas), Coolidge Generation Station (726 MW, Gas), and Desert Basin (646.1 MW, Gas). The facility is located in Arizona, approximately 70 km from Phoenix.

Capacity
1.6 MW
Commissioning Year
2013

13 years old

Owner
Constellation Solar Holding LLC
Location
32.9369°, -111.7386°

United States of America, North America

Context & rankings
  • 8,705. largest of 10,098 plants in United States of America
  • #35,483 worldwide by installed capacity
  • #9,326 of 11,042 Solar plants worldwide
Age & fleet comparison

13 years in operation

Solar fleet average: 10.4 years

Operator portfolio

Constellation Solar Holding LLC operates 5 plants totalling 9 MW

Regional density

57 plants within 100 km, 12,031 MW combined

Nearest plant: Vista Grande HS at Casa Grande (5.6 km)

Location

Coordinates:: 32.936900, -111.738600
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Union HS at Casa Grande is a solar power plant producing approximately 3 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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