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232–652 kWh

Commercial energy storage systemCarus Energy

Carus Energy RPC3-SxxxKAxxxK-3G60US-rp1

232–652 kWh · 125–250 kW · Lithium Iron Phosphate · 8 configurations

UL 9540UL 1741 SBCEC listed · Mar 11, 2025

Nameplate energy232–652 kWh
Continuous power125–250 kW
ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

RPC3-SxxxKAxxxK-3G60US-rp1: 232–652 kWh nameplate energy; 125–250 kW continuous; lithium iron phosphate.

Models & configurations

CEC Energy Storage System List · 8 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
RPC3-S125KA232K-3G60US-rp1	232 kWh	125 kW	480 V	—	Mar 11, 2025
RPC3-S125KA279K-3G60US-rp1	279 kWh	125 kW	480 V	—	Mar 11, 2025
RPC3-S125KA326K-3G60US-rp1	326 kWh	125 kW	480 V	—	Mar 11, 2025
RPC3-S250KA464K-3G60US-rp1	464 kWh	250 kW	480 V	—	Mar 11, 2025
RPC3-S250KA511K-3G60US-rp1	511 kWh	250 kW	480 V	—	Mar 11, 2025
RPC3-S250KA558K-3G60US-rp1	558 kWh	250 kW	480 V	—	Mar 11, 2025
RPC3-S250KA605K-3G60US-rp1	605 kWh	250 kW	486 V	—	Mar 11, 2025
RPC3-S250KA652K-3G60US-rp1	652 kWh	250 kW	487 V	—	Mar 11, 2025

Capacity & power

CEC Energy Storage System List

Nameplate energy (CEC)232–652 kWh
Rated power (CEC)125–250 kW
Max continuous discharge (CEC)125–250 kW
Full-power discharge timeabout 2.6 h at full power
ChemistryLithium Iron Phosphate
Grid connection480 / 486 / 487 V

Safety listings

CEC Energy Storage System List

UL 9540 (energy storage system)Certified by SGS
Certificate date & editionJan 15, 2025 · Ed. 3 : 2023

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

UL 1741 SB (IEEE 1547-2018)Yes
UL 1741 SA (Rule 21)No
CSIP (IEEE 2030.5)No
JA12 declaration (Title 24)No
Monitor Key Data schedulingNo

Questions & answers

How much energy does the Carus Energy RPC3-SxxxKAxxxK-3G60US-rp1 store?

232–652 kWh nameplate, per the California Energy Commission list.

Is the RPC3-SxxxKAxxxK-3G60US-rp1 UL 9540 certified?

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

Sources

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