Review power assets, contract observations, facility specifications and relationships from public sources.
This partial collection preserves source-level observations. Generation and registered connection capacity are distinct from spare supply capacity for data centers. Planned dates and contract announcements do not confirm energization or supply commencement.
Current filters 3items · current page 1–3 · Source records, not unique facilities.
Power assets and projects · USA · eia860m
Firefly Solar PA / FFLPA
Generator · Plan
Metric or condition
Source value
Basis, scope and stage
Nameplate Capacity (MW)
401.6 MW
Original source column definition · Generator · (L) Regulatory approvals pending. Not under construction As-of date 2026-08 Sources EV-f98d43fb5d0140e469997314
Net Summer Capacity (MW)
401.6 MW
Original source column definition · Generator · (L) Regulatory approvals pending. Not under construction As-of date 2026-08 Sources EV-f98d43fb5d0140e469997314
Net Winter Capacity (MW)
401.6 MW
Original source column definition · Generator · (L) Regulatory approvals pending. Not under construction As-of date 2026-08 Sources EV-f98d43fb5d0140e469997314
Detailed source fields
Original source field
Published value or condition
Entity ID
64545
Entity Name
Vesper Energy Development LLC
Plant ID
67984
Plant Name
Firefly Solar PA
Google Map
Map
Bing Map
Map
Plant State
PA
County
Lawrence
Balancing Authority Code
PJM
Sector
IPP Non-CHP
Generator ID
FFLPA
Nameplate Capacity (MW)
401.6
Net Summer Capacity (MW)
401.6
Net Winter Capacity (MW)
401.6
Technology
Solar Photovoltaic
Energy Source Code
SUN
Prime Mover Code
PV
Planned Operation Month
12
Planned Operation Year
2027
Status
(L) Regulatory approvals pending. Not under construction
Latitude
40.930281
Longitude
-80.43244
Original text
(L) Regulatory approvals pending. Not under construction
