Hammer CSG

Hammer CSG is a 5 MW solar farm in Sherburne County, Minnesota, operated by Madison Energy Investments LLC. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 2018.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
4.8 MW
4.8 MW net summer
Generating units
1
In service
2018
EIA plant ID
62099

Where it is

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County
Sherburne County, Minnesota
Coordinates
45.4176, -94.0094
Balancing authority
MISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Madison Energy Investments LLC
Primary energy source
Solar
Technologies
Solar Photovoltaic
Status
Operating

Every plant Madison Energy Investments LLC reports to EIA →

Hammer CSG: FAQ

Where is Hammer CSG?
In Sherburne County, Minnesota (MN). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Hammer CSG?
5 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Hammer CSG?
EIA-860M names Madison Energy Investments LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Hammer CSG LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Madison Energy Investments LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Hammer CSG LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Hammer CSG still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.