# Philadelphia

PJM asset profile · https://askthegrid.com/assets/facilities/philadelphia

## Current generation inventory

EIA plant 1557 · Inventory reporting month: 2026-08.

- petroleum: 82.8 MW operating nameplate
- Capacity basis: operating_generator_nameplate_mw
- Source inventory: [EIA-860M workbook (preliminary)](https://www.eia.gov/electricity/data/eia860m/xls/august_generator2026.xlsx)
- Inventory retrieved: 2026-10-10T22:49:53.020309+00:00
- Filed coordinate (longitude, latitude): -76.5636, 39.2986
- OSM extract: 2026-10-09T20:21:04Z
- OSM mapped edit: 2023-05-18 04:28:33+00:00
- Map prepared: 2026-10-10T23:05:23.216901+00:00

Battery power (MW) and stored energy (MWh) are separate measures. Shared physical-site membership does not establish electrical connectivity, settlement or a common export limit.

## Reviewed overview

Philadelphia Road Generating Station is an oil-fueled peaking plant at 3914 Pulaski Highway in Baltimore, Maryland. Constellation owns and operates it as part of its Peaking Division. The facility has four units totaling 61 MW, which burn oil and run as needed during periods of peak energy demand.

## Reviewed metrics

- **Nameplate capacity:** 82.8 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 1557 — plant-1557

## Facts

- **Technology:** Petroleum Liquids
- **Operator:** Constellation

## Related parties

- **Owner / operator:** Constellation — owner ([source](https://www.constellationenergy.com))

## Sources

- [constellationenergy.com](https://www.constellationenergy.com/about/locations/philadelphia-road-generating-station.html) — constellationenergy.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/philadelphia
Website: [Constellation](https://www.constellationenergy.com)

Source: Ask the Grid — https://askthegrid.com/