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184–266 kWh

Commercial energy storage systemSinexcel

Sinexcel SES-091A-091D-xxxB

184–266 kWh · 99 kW · Lithium Ion · direct PV input · 5 configurations

UL 9540UL 1741 SBCEC listed · May 21, 2024

Nameplate energy184–266 kWh
Continuous power99 kW
ChemistryLithium Ion

Overview

CEC Energy Storage System List

SES-091A-091D-xxxB: 184–266 kWh nameplate energy; 99 kW continuous; lithium ion; accepts solar panels directly (DC-coupled).

Models & configurations

CEC Energy Storage System List · 5 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
SES-091A-091D-191B	184 kWh	90 kW	480 V	—	May 21, 2024
SES-091A-091D-211B	204 kWh	90 kW	480 V	—	May 21, 2024
SES-091A-091D-231B	225 kWh	90 kW	480 V	—	May 21, 2024
SES-091A-091D-251B	245 kWh	90 kW	480 V	—	May 21, 2024
SES-091A-091D-271B	266 kWh	90 kW	480 V	—	May 21, 2024

Capacity & power

CEC Energy Storage System List

Nameplate energy (CEC)184–266 kWh
Rated power (CEC)90 kW
Max continuous discharge (CEC)99 kW
Full-power discharge timeabout 2.7 h at full power
ChemistryLithium Ion
Grid connection480 V

Safety listings

CEC Energy Storage System List

UL 9540 (energy storage system)Certified by Intertek
Certificate date & editionDec 4, 2023 · 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)Yes
UL 1741 SA (Rule 21)No
CSIP (IEEE 2030.5)Yes (with conditions)
JA12 declaration (Title 24)No
Monitor Key Data schedulingNo

Questions & answers

How much energy does the Sinexcel SES-091A-091D-xxxB store?

184–266 kWh nameplate, per the California Energy Commission list.

Is the SES-091A-091D-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.