About the Project

A Clean Economic Opportunity for Minnesota

Castle Rock Solar will deliver clean, Minnesota-made energy to the grid while generating lasting economic benefits for Dakota County — through local jobs, tax revenue, and long-term investment in community services.
At a Glance

Project by the Numbers

134,000 tCO₂e
Carbon Emissions Reduced
Estimated annual reduction in carbon dioxide equivalent emissions
150 MW
Solar Power
Maximum installed solar generation capacity
150 MW / 4h
Battery Storage
Battery power capacity and duration
20,750
Homes Powered
Estimated households supplied with electricity per year
Why This Project

Benefits for Minnesota

Castle Rock Solar will bring clean, locally generated energy to Dakota County while delivering lasting economic benefits to the communities that host it.

Minnesota-Made Clean Energy

Castle Rock Solar will generate up to 150 MW of clean electricity right here in Dakota County, paired with a 150 MW / 600 MWh battery storage system to deliver reliable, locally produced energy to the grid.

Economic Benefits

The project will generate significant local tax revenue for Dakota County over its operational lifetime, helping fund schools, roads, and essential public services for years to come.

Job Opportunities

Castle Rock Solar is expected to create local construction jobs in Dakota County, bringing new employment and economic activity to the region during the build phase.

Project Resources

Documents & Reports

Explore detailed information about the Castle Rock Project through our official documents. Browse and download project materials to learn more about this clean energy initiative in Dakota County, Minnesota.
Preliminary Project Layout — BESS
PDF Map · Updated March 2026
Preliminary layout map for the co-located battery energy storage system (BESS) within the Castle Rock Solar project area, Castle Rock Township, Dakota County, Minnesota. Prepared by Stantec for the MPUC Site Permit Application.
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Preliminary Project Layout Map Series
PDF Map · Updated October 2025
Preliminary project layout map showing the Castle Rock Solar project area within Castle Rock Township, Dakota County, Minnesota. Prepared by Stantec for the MPUC Site Permit Application.
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