MAINSPRING

NextEra Energy Resources and Mainspring Energy offer a new way to achieve energy cost savings with an innovative, low-emissions technology.

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UNMATCHED FLEXIBILITY AND DEPLOYABILITY


Mainspring Energy manufactures and delivers an innovative, fuel-flexible clean power generator that rapidly adds new power capacity and accelerates the transition to the affordable, reliable, zero-carbon electric grid. The award-winning Mainspring Linear Generator delivers on the potential of green hydrogen, ammonia, biogas and other fuels by generating low-cost, clean, 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

Near-zero NOx emissions

Low-temperature reaction without a flame

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

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Any blend of Biogas, Natural Gas,
Hydrogen, and Propane

5-25 psig Inlet Pressure

No Water

 

OUTPUTS

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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

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Large-Scale Projects: 
Up to 25 MW/acre

Base Package:
20.5’ x 8.5’ x 9.5’ (L,W,H)

 

EMISSIONS

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NOx < 2.5 ppmvd2
Sound < 70 dBA @ 6 ft

 

PERFORMANCE

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45% Efficiency, Net AC1
Load Tracking
Zero to Full Power

 

OTHER

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UL 2200 Package
UL 1741 SA Inverters
Remote Monitoring

 

LET’S WORK TOGETHER

Tell us about your energy and decarbonization goals and we’ll source the best options for your organization.

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