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158.7 kWh
Commercial energy storage systemDeye

Deye SE-G31-12K-US

158.7 kWh · 9 kW · Lithium Iron Phosphate · direct PV input

UL 9540UL 1741 SBCEC listed · Oct 1, 2024
  • Nameplate energy158.7 kWh
  • Continuous power9 kW
  • ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

SE-G31-12K-US: 158.7 kWh nameplate energy; 9 kW continuous; lithium iron phosphate; accepts solar panels directly (DC-coupled).

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 Deye SE-G31-12K-US store?

158.7 kWh nameplate, per the California Energy Commission list.

Is the SE-G31-12K-US UL 9540 certified?

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

Sources

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