9.6–16 kWh

Battery moduleLG Energy Solution

LG Energy Solution RESU 10H Prime

9.6–16 kWh · 5 kW · Lithium Ion · 2 configurations

UL 1973CEC listed · Apr 1, 2021Installed in 127 SoCal permits

Nameplate energy9.6–16 kWh
Continuous power5 kW
ChemistryLithium Ion

Overview

CEC Battery List

RESU 10H Prime: 9.6–16 kWh nameplate energy; 5 kW continuous; lithium ion; named in 127 Southern California permits.

Models & configurations

CEC Battery List · 2 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
RESU 10H Prime	9.6 kWh	—	—	—	Apr 1, 2021
RESU 16H Prime	16 kWh	—	—	—	Apr 12, 2021

Capacity & power

CEC Battery List

Nameplate energy (CEC)9.6–16 kWh
Max continuous discharge (CEC)5 kW
Full-power discharge timeabout 3.2 h at full power
ChemistryLithium Ion

Charging from solar in Southern California

NLR PVWatts v8 · Cali-Graf calculation

City	December	June
Los Angeles	5 kW	2.9 kW
Palmdale	4.6 kW	2.7 kW
Chula Vista	4.3 kW	3 kW
Huntington Beach	4.7 kW	3.2 kW
Riverside	4.8 kW	2.8 kW
Santa Clarita	4.7 kW	2.8 kW

Solar array size that refills the battery from empty in one average day, before the home uses any of it (NLR PVWatts v8, 20° south roof).

Safety listings

CEC Battery List

UL 1973 (stationary battery)Certified by TUV Rheinland of North America
Certificate date & editionDec 17, 2020 · Ed. 2 : 2018

Installs in Southern California

building permits

127

Permits name it

Mar 2019 – Sep 2024

Jurisdictions so far

LA County (unincorp.) (120), Los Angeles (7)

Units per install

median of 99 permits

Permits over time

Installed together with

Delta Electronics Ex-TL-US

SolarEdge SE…H (HD-Wave)

JA Solar JAM54S31-xxx/MR

SolarEdge SE…A

LONGi Hi-MO 6

JinkoSolar JKMxxxM-60HBL

Top ZIP codes

ZIP 9100112
ZIP 9029010
ZIP 912149
ZIP 935368
ZIP 935107
ZIP 935517
ZIP 917457
ZIP 913846
Other ZIP codes21

Only installer and ZIP level is shown — no homeowner names, street addresses or permit numbers. Permits from LA County (unincorp.) come without a contractor license, so they count toward totals but not toward installers. Counts grow as more permit portals are loaded.

Who installs RESU 10H Prime

building permits · CSLB License Master

Altadena Energy & Solar Inc

Pasadena · CSLB #979146

1 installFeb 2022Los Angeles

N R G Clean Power Inc

Canoga Park · CSLB #1026168

1 installOct 2021Los Angeles

Semper Solaris

El Cajon · CSLB #978152

1 installJan 2021Los Angeles

Sunlux

Corona · CSLB #1008374

1 installMar 2019Los Angeles

Vivint Solar

Lehi · CSLB #973756

1 installFeb 2021Los Angeles

Compare with similar batteries

CEC Energy Storage System List

Battery	Energy	Continuous power	Chemistry	Warranty	SoCal permits
Qcells Q.SAVE	9–18 kWh	5.5–11.1 kW	Lithium Iron	10 years	30
EG4 Electronics WP-16/280-1AWLL	14.3 kWh	10.2 kW	Lithium Iron Phosphate	10 years	5
Tigo Energy TSB	9 kWh	3.5–5.2 kW	Lithium Iron Phosphate	11 years	2
FOXESS ECS4000-H5	25 kWh	14.4 kW	Lithium Iron Phosphate	—	1
RNG International Renogy X	20 kWh	10 kW	Lithium Iron Phosphate	10 years	1
GoodWe SECU-S Series	11.5–18.4 kWh	2.9–23 kW	Lithium Iron Phosphate	—	—

Same segment, similar capacity; each row from the same sources.

Questions & answers

How much energy does the LG Energy Solution RESU 10H Prime store?

9.6–16 kWh nameplate, per the California Energy Commission list.

Who installs the RESU 10H Prime in Southern California?

Building permits name it 127 times. The most active licensed installers are Altadena Energy & Solar Inc, N R G Clean Power Inc, Semper Solaris.

Sources

California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.
California Energy Commission — Battery List, data as of Oct 7, 2026.
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach.
Building permits — Southern California permit portals. Equipment matched from permit descriptions.
Contractors State License Board — License Master (contractor names and license status), as of Oct 5, 2026.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).