Martin Limestone Solar Array

Martin Limestone Solar Array is a 1 MW solar farm in Lancaster County, Pennsylvania, operated by Sunstream Energy LLC. EIA-860M lists 1 generating unit here, inside PJM. Its unit entered service in 2012.

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
1 MW
1 MW net summer
Generating units
1
In service
2012
EIA plant ID
58443

Where it is

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County
Lancaster County, Pennsylvania
Coordinates
40.106, -76.0593
Balancing authority
PJM
Sector
Industrial Non-CHP

Units, technology and status

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

Every plant Sunstream Energy LLC reports to EIA →

Martin Limestone Solar Array: FAQ

Where is Martin Limestone Solar Array?
In Lancaster County, Pennsylvania (PA). 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 Martin Limestone Solar Array?
1 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Martin Limestone Solar Array?
EIA-860M names Sunstream Energy 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 Martin Limestone Solar Array LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Sunstream Energy 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 "Martin Limestone Solar Array LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Martin Limestone Solar Array still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.