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305.5 kWh
Commercial energy storage systemContemporary Amperex Technology

Contemporary Amperex Technology R06306P05L31

305.5 kWh · 152.8 kW · Lithium Ion

UL 9540CEC listed · Jul 13, 2026
  • Nameplate energy305.5 kWh
  • Continuous power152.8 kW
  • ChemistryLithium Ion

Overview

CEC Energy Storage System List

R06306P05L31: 305.5 kWh nameplate energy; 152.8 kW continuous; lithium ion.

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 Contemporary Amperex Technology R06306P05L31 store?

305.5 kWh nameplate, per the California Energy Commission list.

Is the R06306P05L31 UL 9540 certified?

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

Sources

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