Mainspring
NextEra Energy Resources and Mainspring Energy offer a new way to achieve energy cost savings.
Unmatched Flexibility and Deployability
Mainspring Energy manufactures and delivers an innovative, fuel-flexible power generator that rapidly adds new power capacity and accelerates the transition to the affordable, reliable electric grid. The award-winning Mainspring Linear Generator delivers on the potential of ammonia, biogas and other fuels by generating low-cost, resilient electricity. Customers include Fortune 500 companies and leading utilities.
Advantages of Mainspring
Low Cost
Standard materials and manufacturing processes, two moving parts for maintenance, and high efficiency fuel costs
Dispatchable
Ability to quickly vary power output to meet building demand with fast start/stop capability
Fuel Flexible
Runs on natural gas, propane, hydrogen and ammonia or biogas
Utility-Scale Performance For Any Project Size
Each base package contains two linear generator cores, operating in tandem.
Inputs
Any blend of Biogas, Natural Gas, Hydrogen and Propane
5-25 psig Inlet Pressure
No Water
Outputs
480 V, 3 Phase, 60/50 Hz
Large-Scale Projects:
>1.5 MW, net AC
External Inverters
Base Package:
230 kW, net AC Internal Inverters
Physical
Large-Scale Projects:
Up to 25 MW/acre
Base Package:
20.5’ x 8.5’ x 9.5’ (L,W,H)
Emissions
NOx < 2.5 ppmvd2
Sound < 70 dBA @ 6 ft
Performance
45% Efficiency, Net AC1
Load Tracking
Zero to Full Power
Other
UL 2200 Package
UL 1741 SA Inverters
Remote Monitoring
Let's Work Together
Tell us about your energy goals and we’ll source the best options for your organization.
