Description Overview Cogeneration plant 3.2 MW Used Year 2009 Engines and Generators Four Caterpillar G3516 SITA engines Mated to Caterpillar SR-4 or SR-4B generators rated at 800 kW, 480 V, 1200 A Chillers Two 420 ton Trane absorption chillers One 630 ton Trane centrifugal chiller One Recold chiller unit Heat Recovery System All energy is recovered through a system of exhaust and cooling water heat recovery units Units have wet exhaust systems that capture exhaust heat Cooling water heat is captured in a shell and tube heat exchanger (one for each generator) Exhaust gas temperature is approximately 800°F Block water enters the heat exchanger at 205°F After the heat exchanger, water enters the two absorption chillers at 230°F Engine intake water is approximately 200°F after processing through the chillers Cooling System The two generator turbos are cooled through a closed cooling loop with a Recold unit Fuel and Design Plant is designed to run on natural gas