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688 kWh
Commercial energy storage systemELM Fieldsight

ELM Fieldsight MG2-AC1-0250-01-A

688 kWh · 250 kW · Lithium Iron Phosphate

UL 9540UL 1741 SBCEC listed · May 1, 2025
  • Nameplate energy688 kWh
  • Continuous power250 kW
  • ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

MG2-AC1-0250-01-A: 688 kWh nameplate energy; 250 kW continuous; lithium iron phosphate.

Capacity & power

CEC Energy Storage System List

Safety listings

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.

California grid & code compliance

CEC Energy Storage System List

Questions & answers

How much energy does the ELM Fieldsight MG2-AC1-0250-01-A store?

688 kWh nameplate, per the California Energy Commission list.

Is the MG2-AC1-0250-01-A UL 9540 certified?

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

Sources

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