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204–266 kWh

Commercial energy storage systemTROES

TROES SES-091A-141D- xxxB

204–266 kWh · 90 kW · Lithium Iron Phosphate · direct PV input · 4 configurations

UL 9540CEC listed · Jun 3, 2024

Nameplate energy204–266 kWh
Continuous power90 kW
ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

SES-091A-141D- xxxB: 204–266 kWh nameplate energy; 90 kW continuous; lithium iron phosphate; accepts solar panels directly (DC-coupled).

Models & configurations

CEC Energy Storage System List · 4 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
SES-091A-141D- 211B	204 kWh	90 kW	480 V	—	Jun 3, 2024
SES-091A-141D- 231B	225 kWh	90 kW	480 V	—	Jun 3, 2024
SES-091A-141D- 251B	245 kWh	90 kW	480 V	—	Jun 3, 2024
SES-091A-141D- 271B	266 kWh	90 kW	480 V	—	Jun 3, 2024

Capacity & power

CEC Energy Storage System List

Nameplate energy (CEC)204–266 kWh
Rated power (CEC)90 kW
Max continuous discharge (CEC)90 kW
Full-power discharge timeabout 2.9 h at full power
ChemistryLithium Iron Phosphate
Grid connection480 V

Safety listings

CEC Energy Storage System List

UL 9540 (energy storage system)Certified by Intertek
Certificate date & editionFeb 1, 2024 · Ed. 2 : 2020

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)No
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 TROES SES-091A-141D- xxxB store?

204–266 kWh nameplate, per the California Energy Commission list.

Is the SES-091A-141D- xxxB UL 9540 certified?

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

Sources

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