Old Mill Solar

Entity plant:eia:59374 · release 20260929T050546Z-51ae0f7d3c78 · schema 1.41.0. Immutable citation page; values as published in this release. Current pages may be newer.

Fact	Value	Unit	Period	Evidence / method	Quality	Source and locator
Nameplate capacity, operating generators	5.0	MW	2024	reported / derived	valid	pudl-generators out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=59374
Generators listed	1	count	2024	reported / derived	valid	pudl-generators out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=59374
Operating generators	1	count	2024	reported / derived	valid	pudl-generators out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=59374
Net generation	7,242	MWh	2024	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2024-01-01; plant_id_eia=59374
Capacity factor	0.165	fraction	2024	reported / derived	valid	pudl-output derived: net_generation_mwh@2024 / (nameplate_mw_op x 8784 h)
Nameplate capacity	5.0	MW	2024	reported / derived	valid	pudl-generators out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=59374; generator_id=OMSLR
Net summer capacity	5.0	MW	2024	reported / derived	valid	pudl-generators out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=59374; generator_id=OMSLR
Net winter capacity	5.0	MW	2024	reported / derived	valid	pudl-generators out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=59374; generator_id=OMSLR
Operating nameplate capacity, latest inventory	5.0	MW	2026-08-01	reported / derived	valid	eia860m-inventory Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=59374; report_date=2026-08-01
Planned nameplate capacity, latest inventory	—	MW	2026-08-01	reported / derived	not_applicable (not_applicable)	eia860m-inventory Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=59374; report_date=2026-08-01
Retired or cancelled nameplate capacity, latest inventory	—	MW	2026-08-01	reported / derived	not_applicable (not_applicable)	eia860m-inventory Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=59374; report_date=2026-08-01
Net generation	0	MWh	2015	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2015-01-01; plant_id_eia=59374
Net generation	8,219	MWh	2016	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2016-01-01; plant_id_eia=59374
Net generation	11,225	MWh	2017	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2017-01-01; plant_id_eia=59374
Net generation	12,523	MWh	2018	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2018-01-01; plant_id_eia=59374
Net generation	11,012	MWh	2019	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2019-01-01; plant_id_eia=59374
Net generation	11,527	MWh	2020	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2020-01-01; plant_id_eia=59374
Net generation	10,439	MWh	2021	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2021-01-01; plant_id_eia=59374
Net generation	7,542	MWh	2022	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2022-01-01; plant_id_eia=59374
Net generation	7,365	MWh	2023	reported / derived	valid	pudl-output out_eia923__yearly_generation_fuel_combined.parquet; report_date=2023-01-01; plant_id_eia=59374

Sources

U.S. EIA, preliminary monthly generator inventory, August 2026 (released September 24, 2026). Licence: U.S. government work. eia860m-inventory
Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Forms 860/923. Licence: CC-BY-4.0. pudl-generators
Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Forms 860/923. Licence: CC-BY-4.0. pudl-output
Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Forms 860/923. Licence: CC-BY-4.0. pudl-ownership
Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Forms 860/923. Licence: CC-BY-4.0. pudl-plants

Each source's notice and terms: rights.json in this release.