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

MetricCovanta Hempstead
Nassau County
MacArthur Waste to Energy Facility
Suffolk County
Capacity78.6 MW12.5 MW
TechnologyMunicipal Solid WasteMunicipal Solid Waste
OperatorCovanta Hempstead CompanyReworld MacArthur Renewable Energy
Operating units11
Latest 12-month generation516.8 GWh51.6 GWh
Latest complete-year capacity factor85.3% (2025)49.8% (2025)
National technology rank#6 of 55#50 of 55
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.