Battery Systems

We source and deploy battery systems directly from manufacturers—built to de-risk projects and keep them moving to COD. See below to view a variety of our select Tier 1 battery partners we support.

Cabinets (40 kWh to 4 MWh)

Modular battery storage systems designed for flexibility across a wide range of smaller commercial and industrial applications, with scalable configurations based on project needs.

System Size Inverter Model # Operating Voltage Certifications FEOC Compliance
Sol-Ark L3 Series
Sol-Ark
L3 Series
Size
61.44 kWh outdoor / 40.96 kWh indoor
Inverter
Sol-Ark
Model #
L3 HVR-60 / L3 HV-60 / L3 HVR-40 / L3 HV-40
Operating Voltage
614 VDC / 410 VDC
Certifications
UL1973, UL9540, UL9540A, UL1741
FEOC Compliance
Lion Energy POWERsave Cabinet
Lion Energy
POWERsave Cabinet
Size
101 kWh – 187 kWh base
Inverter
Lion Energy (included)
Model #
N/A
Operating Voltage
480 VAC
Certifications
UL1741, UL9540, UL1973, UL9540A, CSIP (E-5000 & E-5036), CEC Listed, HECO SRD V2.0
FEOC Compliance
RCT Power CESS 200
RCT Power
CESS 200
Size
233 kWh base
Inverter
RCT Power (included)
Model #
N/A
Operating Voltage
480 VAC
Certifications
UL1973, UL9540A, UL9540, NFPA 69, UL174, SunSpec compliant, California Rule 21, IEEE2030.5
FEOC Compliance
Discover Energy AES
Discover Energy
AES
Size
106 kWh – 426 kWh
Inverter
Dynapower / Sol-Ark
Model #
See datasheet
Operating Voltage
332.8 – 1,331.2 VDC
Certifications
UL1973, UL9540A, UL9540
FEOC Compliance
RCT Power CESS 1000
RCT Power
CESS 1000
Size
466 kWh – 932 kWh
Inverter
RCT Power (included)
Model #
N/A
Operating Voltage
250 – 500 VAC
Certifications
UL1973, UL9540A, UL9540, NFPA 69, UL1741, SunSpec compliant, California Rule 21, IEEE2030.5, OpenADR
FEOC Compliance
CATL EnerOne+
CATL
EnerOne+
Size
407.34 kWh
Inverter
Dynapower / EPC Power
Model #
R08306P05L31
Operating Voltage
1,331.2 VDC
Certifications
UL1973, UL9540A, UL9540
FEOC Compliance
Risen / SYL eFlex
Risen / SYL
eFlex
Size
836 kWh
Inverter
Dynapower / EPC Power
Model #
SU836U418KM
Operating Voltage
1,331.2 VDC
Certifications
UL9540, UL9540A, UL1973, UL1741
FEOC Compliance
Risen / SYL iCon
Risen / SYL
iCon
Size
261 kWh
Inverter
Risen
Model #
SU261E125LM
Operating Voltage
400 VAC
Certifications
UL9540, CEC Listed
FEOC Compliance
Generac SBE Cabinet
Generac
SBE Cabinet
Size
250 kWh – 1 MWh
Inverter
Included
Model #
SBE-Cabinet-125
Operating Voltage
480 VAC
Certifications
UL1642, UL1973, UL9540A, UL1741 SB, UL9540, NFPA 68
FEOC Compliance
✓ Compliant
Hithium ESS Cabinet
Hithium
ESS Cabinet
Size
261 kWh
Inverter
Hithium
Model #
HiTHIUM LFP 314Ah
Operating Voltage
400 VAC
Certifications
TBD
FEOC Compliance
Ampace UniC (HV)
Ampace
UniC
Size
256 kWh
Inverter
Ampace
Model #
AG256-125
Operating Voltage
400 VAC
Certifications
TBD
FEOC Compliance
Ampace UniC (HV)
Ampace
UniC (HV)
Size
256 kWh
Inverter
Dynapower / EPC Power
Model #
TBD
Operating Voltage
1,120 – 1,440 VDC
Certifications
TBD
FEOC Compliance

Containers (2.25 MWh to 5+ MWh)

Larger battery storage systems built for higher-capacity applications and grid-level deployments, supports projects up to 100 MWh.

System Size Inverter Model # Operating Voltage Certifications FEOC Compliance
Tesla Megapack
Tesla
Megapack 2 / 2XL
Size
2,595 kWh – 3,085 kWh
Inverter
Tesla
Model #
2XL: 1848844-XX-Y
Operating Voltage
480 VAC
Certifications
UL1973, UL9540, UL9540A, UL1741
FEOC Compliance
TBD
Risen / SYL eTron
Risen / SYL
eTron
Size
5,015.96 kWh
Inverter
Risen / SYL
Model #
SU5016U2500KC
Operating Voltage
480 VAC
Certifications
UL9540, UL9540A, UL1973
FEOC Compliance
CATL EnerX
CATL
EnerX
Size
5,644.29 kWh
Inverter
Dynapower / EPC Power
Model #
C06530P25L01
Operating Voltage
1,331.2 VDC
Certifications
UL9540, UL9540A, UL1973
FEOC Compliance
CATL EnerC+
CATL
EnerC+
Size
4,073.47 kWh
Inverter
Dynapower / EPC Power
Model #
C02306P05L01
Operating Voltage
1,331.2 VDC
Certifications
UL9540A, UL1973
FEOC Compliance
Sunwoda Noah-X
Sunwoda
Noah-X
Size
4,170 kWh
Inverter
EPC Power
Model #
NoahX-1500/4170
Operating Voltage
1,331.2 VDC
Certifications
UL9540A, UL1973, NFPA 68, NFPA 69, NFPA 855
FEOC Compliance
Lion Energy POWERsave PS20
Lion Energy
POWERsave PS20
Size
1,032 kWh – 3,440 kWh
Inverter
Lion Energy
Model #
N/A
Operating Voltage
480 / 690 VAC
Certifications
UL1973, UL9540A, UL9540, UL1741
FEOC Compliance
Generac SBE Block
Generac
SBE Block
Size
2,508 kWh – 5,016 kWh
Inverter
Generac
Model #
SBE-B-[kWh]-[kW]
Operating Voltage
600 – 800 VAC
Certifications
NFPA 69, NFPA 68, UL9540, UL9540A, UL1973, UL1642, UL1741, NFPA 855, IEEE 1547
FEOC Compliance
✓ Compliant
Generac SBE 1000
Generac
SBE 1000
Size
1,152 kWh – 1,728 kWh
Inverter
Generac
Model #
SBE-[kWh]-[kW]
Operating Voltage
480 VAC
Certifications
CBC, IBC 2021, NFPA 69, NFPA 68, UL1642, UL1973, UL9540A, UL1741 SB
FEOC Compliance
✓ Compliant
Hithium ESS Container
Hithium
ESS Container 5.016 MWh
Size
5,016 kWh
Inverter
TBD
Model #
TBD
Operating Voltage
1,331.2 VDC
Certifications
UL1973, UL9540A, NFPA 855
FEOC Compliance

View additional BESS components