ELM Fieldsight CMG2.1-AC-125

Name: ELM Fieldsight CMG2.1-AC-125
Brand: ELM Fieldsight

261–940 kWh · 125 kW · Lithium Iron Phosphate · 6 configurations

UL 9540UL 1741 SBCEC listed · Jan 12, 2026

Overview

CEC Energy Storage System List

CMG2.1-AC-125: 261–940 kWh nameplate energy; 125 kW continuous; lithium iron phosphate.

CEC Energy Storage System List · 6 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
CMG2.1-AC-125-261	261 kWh	125 kW	480 V	—	Jan 12, 2026
CMG2.1-AC-125-313	313 kWh	125 kW	480 V	—	Jan 12, 2026
CMG2.1-AC-125-522	522 kWh	125 kW	480 V	—	Jan 12, 2026
CMG2.1-AC-125-626	626 kWh	125 kW	480 V	—	Jan 12, 2026
CMG2.1-AC-125-783	783 kWh	125 kW	480 V	—	Jan 12, 2026
CMG2.1-AC-125-940	940 kWh	125 kW	480 V	—	Jan 12, 2026

CEC Energy Storage System List

CEC Energy Storage System List

UL 9540 certifies the whole storage system; UL 9540A is the fire-propagation test that fire codes ask for indoors and near walls.

CEC Energy Storage System List

How much energy does the ELM Fieldsight CMG2.1-AC-125 store?

261–940 kWh nameplate, per the California Energy Commission list.

Is the CMG2.1-AC-125 UL 9540 certified?

Yes — the CEC list shows UL 9540 certification (certified by intertek).

California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.