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Registry, engineering, and operating metrics shown on a consistent EIA basis.

MetricAstoria Energy
Queens County
Zeltmann
Queens County
Capacity595 MW528 MW
TechnologyNatural Gas Fired Combined CycleNatural Gas Fired Combined Cycle
OperatorAstoria Energy LLCNew York Power Authority
Operating units33
Latest 12-month generation3.99 TWh2.60 TWh
Latest complete-year capacity factor74.8% (2025)79.4% (2024)
National technology rank#253 of 538#301 of 538
Latest EIA report2026-042026-04

Generation comes from EIA-923. Capacity, unit counts, technology, and reporting relationships come from EIA-860. Incomplete reporting years are excluded from capacity-factor comparisons.