Shanghai PYTES Energy Sol-Ark

10–188.4 kWh · 7.7–122.9 kW · Lithium Iron Phosphate · 32 configurations

UL 9540CEC listed · May 1, 2026

Nameplate energy10–188.4 kWh
Continuous power7.7–122.9 kW
Round trip (AC)92.6–93.1%
ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

Sol-Ark: 10–188.4 kWh nameplate energy; 7.7–122.9 kW continuous; lithium iron phosphate.

Models & configurations

CEC Energy Storage System List · 32 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
V10α ESS {7.68kW, 9.98kWh}	10 kWh	7.68 kW	—	93%	May 1, 2026
V12 ESS {6.14kW, 11.776kWh}	11.8 kWh	7.68 kW	—	93%	May 1, 2026
V10α ESS {15.36kW, 19.96kWh}	20 kWh	15.36 kW	—	93%	May 1, 2026
V12 ESS {12.28kW, 23.552kWh}	23.6 kWh	15.36 kW	—	93%	May 1, 2026
V10α ESS {23.04kW, 29.94kWh}	29.9 kWh	23.04 kW	—	93%	May 1, 2026
V12 ESS {18.42kW, 35.328kWh}	35.3 kWh	23.04 kW	—	93%	May 1, 2026
V10α ESS {30.72kW, 39.92kWh}	39.9 kWh	30.72 kW	—	93%	May 1, 2026
V12 ESS {24.56kW, 47.104kWh}	47.1 kWh	30.72 kW	—	93%	May 1, 2026
V10α ESS {38.4kW, 49.9kWh}	49.9 kWh	38.4 kW	—	93%	May 1, 2026
V12 ESS {30.7kW, 58.88kWh}	58.9 kWh	38.4 kW	—	93%	May 1, 2026
V10α ESS {46.08kW, 59.88kWh}	59.9 kWh	46.08 kW	—	93%	May 1, 2026
V10α ESS {53.76kW, 69.86kWh}	69.9 kWh	53.76 kW	—	93%	May 1, 2026
V12 ESS {36.84kW, 70.656kWh}	70.7 kWh	46.08 kW	—	93%	May 1, 2026
V10α ESS {61.44kW, 79.84kWh}	79.8 kWh	61.44 kW	—	93%	May 1, 2026
V12 ESS {42.98kW, 82.432kWh}	82.4 kWh	53.76 kW	—	93%	May 1, 2026
V10α ESS {69.12kW, 89.82kWh}	89.8 kWh	69.12 kW	—	93%	May 1, 2026
V12 ESS {49.12kW, 94.208kWh}	94.2 kWh	61.44 kW	—	93%	May 1, 2026
V10α ESS {76.8kW, 99.8kWh}	99.8 kWh	76.8 kW	—	93%	May 1, 2026
V12 ESS {55.26kW, 105.984kWh}	106 kWh	69.12 kW	—	93%	May 1, 2026
V10α ESS {84.48kW, 109.78kWh}	109.8 kWh	84.48 kW	—	93%	May 1, 2026
V12 ESS {61.4kW, 117.76kWh}	117.8 kWh	76.8 kW	—	93%	May 1, 2026
V10α ESS {92.16kW, 119.76kWh}	119.8 kWh	92.16 kW	—	93%	May 1, 2026
V12 ESS {67.54kW, 129.536kWh}	129.5 kWh	84.48 kW	—	93%	May 1, 2026
V10α ESS {99.84kW, 129.74kWh}	129.7 kWh	99.84 kW	—	93%	May 1, 2026
V10α ESS {107.52kW, 139.72kWh}	139.7 kWh	107.52 kW	—	93%	May 1, 2026
V12 ESS {73.68kW, 141.312kWh}	141.3 kWh	92.16 kW	—	93%	May 1, 2026
V10α ESS {115.2kW, 149.7kWh}	149.7 kWh	115.2 kW	—	93%	May 1, 2026
V12 ESS {79.82kW, 153.088kWh}	153.1 kWh	99.84 kW	—	93%	May 1, 2026
V10α ESS {122.88kW, 159.68kWh}	159.7 kWh	122.88 kW	—	93%	May 1, 2026
V12 ESS {85.96kW, 164.864kWh}	164.9 kWh	107.52 kW	—	93%	May 1, 2026
V12 ESS {92.1kW, 176.64kWh}	176.6 kWh	115.2 kW	—	93%	May 1, 2026
V12 ESS {98.24kW, 188.416kWh}	188.4 kWh	122.88 kW	—	93%	May 1, 2026

Capacity & power

CEC Energy Storage System List

Nameplate energy (CEC)10–188.4 kWh
Rated power (CEC)7.7–122.9 kW
Max continuous discharge (CEC)7.7–122.9 kW
Full-power discharge timeabout 1.5 h at full power
Round-trip efficiency (AC-AC)92.6–93.1%
ChemistryLithium Iron Phosphate

Safety listings

CEC Energy Storage System List

UL 9540 (energy storage system)Certified by SGS
Certificate date & editionJan 26, 2026 · 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)No
UL 1741 SA (Rule 21)No
CSIP (IEEE 2030.5)No
JA12 declaration (Title 24)Yes
JA12 control strategiesBasic, TOU, Advance DR
Last CEC updateMay 21, 2026

Questions & answers

How much energy does the Shanghai PYTES Energy Sol-Ark store?

10–188.4 kWh nameplate, per the California Energy Commission list.

Is the Sol-Ark 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.