Briefing/plantPlanned
Firefly Solar PA is a 402 MW Solar Photovoltaic asset in PJM Interconnection, currently Planned.
Firefly Solar PA is reported in Pennsylvania under Vesper Energy Development LLC. Available operating and financial measures include $2584/kW reported CapEx.
- Location
- Lawrence, Pennsylvania
- Technology
- Solar Photovoltaic
- Owner / parent
- Vesper Energy Development LLC
- Operator
- Vesper Energy Development LLC
- Grid
- PJM Interconnection
- Plant ID
- 67984
What stands out
1
Firefly Solar PA is a 402 MW Solar Photovoltaic asset in Pennsylvania with status Planned.
2
Available financial measures include $2584/kW CapEx.
3
Latest linked story: “Vesper’s Firefly Solar Project Being Developed in Pennsylvania” (constructionreviewonline.com, 2025-10-22).
Market and operating context
- ISO / market
- PJM Interconnection
- Balancing authority
- PJM Interconnection, LLC
- NERC region
- RFC
- State rank
- #2 of 99
- National rank
- #76 of 7,971
Why it matters
For this asset in PJM Interconnection, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.
