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4,608 kWh
Commercial energy storage systemHoneywell

Honeywell BE-4NAT00

4,608 kWh · 1,600 kW · Lithium Iron Phosphate

UL 9540CEC listed · Aug 21, 2023
  • Nameplate energy4,608 kWh
  • Continuous power1,600 kW
  • ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

BE-4NAT00: 4,608 kWh nameplate energy; 1,600 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 Honeywell BE-4NAT00 store?

4,608 kWh nameplate, per the California Energy Commission list.

Is the BE-4NAT00 UL 9540 certified?

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

Sources

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