The PSI 32L is a 31.8-liter, 12-cylinder v-12 natural gas / lpg engine used in commercial and industrial generator applications in the 450-650 kW class. Turbocharged Intercooled for reliable power density across standby and prime-rated duty cycles.
This engine powers generators from Blue Star Power Systems, making it one of the more widely deployed prime movers in its power class for the commercial standby market.
Generator models that ship with or are commonly paired with the PSI 32L.
Blue Star Power Systems
Blue Star NG500-01
Open Basler controller + PSI V12 engine + Stamford alternator — no proprietary lock-in. Non-proprietary components serviceable by any qualified tech.
500 kW standby · Natural Gas / LPG · Liquid-cooled
500 kW natural gas standby for large commercial, campus, and data center facilities where gas-fueled backup and component independence matter.
500 kW natural gas / LP standby generator from Blue Star Power Systems. PSI 32L V12 turbocharged-aftercooled, DSE DCP7310 controller, three-phase 208-600V.
Open Basler controller + PSI V12 engine + Stamford alternator — prime-rated, no proprietary lock-in. Serviceable by any qualified tech.
500 kW standby · Natural Gas / LPG · Liquid-cooled
450 kW prime natural gas for continuous-duty data center, CHP, and campus applications needing 24/7 gas-fueled power.
450 kW prime-rated natural gas / LP generator from Blue Star Power Systems. PSI 32L V12 turbocharged-aftercooled, DSE DCP7310 controller, three-phase 208-600V.
Open Basler controller + PSI V12 engine + Stamford alternator — no proprietary lock-in. Non-proprietary components serviceable by any qualified tech.
600 kW standby · Natural Gas / LPG · Liquid-cooled
600 kW natural gas standby for data center, campus, and industrial facilities where gas-fueled backup and component independence matter.
600 kW natural gas / LP standby generator from Blue Star Power Systems. PSI 32L V12 turbocharged-aftercooled, DSE DCP7310 controller, three-phase 208-600V.
Open Basler controller + PSI V12 engine + Stamford alternator — prime-rated, no proprietary lock-in. Serviceable by any qualified tech.
600 kW standby · Natural Gas / LPG · Liquid-cooled
540 kW prime natural gas for continuous-duty data center, CHP, and campus applications needing 24/7 gas-fueled power.
540 kW prime-rated natural gas / LP generator from Blue Star Power Systems. PSI 32L V12 turbocharged-aftercooled, DSE DCP7310 controller, three-phase 208-600V.
Open Basler controller + PSI V12 engine + Stamford alternator — no proprietary lock-in. Non-proprietary components serviceable by any qualified tech.
650 kW standby · Natural Gas / LPG · Liquid-cooled
650 kW natural gas standby for data center, campus, and industrial facilities where gas-fueled backup and component independence matter.
650 kW natural gas / LP standby generator from Blue Star Power Systems. PSI 32L V12 turbocharged-aftercooled, DSE DCP7310 controller, three-phase 208-600V.
Open Basler controller + PSI V12 engine + Stamford alternator — prime-rated, no proprietary lock-in. Serviceable by any qualified tech.
650 kW standby · Natural Gas / LPG · Liquid-cooled
550 kW prime natural gas for continuous-duty data center, CHP, and campus applications needing 24/7 gas-fueled power.
550 kW prime-rated natural gas / LP generator from Blue Star Power Systems. PSI 32L V12 turbocharged-aftercooled, DSE DCP7310 controller, three-phase 208-600V.