Solar equipment, documented.

Batteries in CEC records

Discrete battery records with nameplate capacity, continuous discharge ratings, chemistry and archived CEC evidence.

Built from California Energy Commission records.
Understand the scope of a listing

35,051Equipment records

645Manufacturers

7Equipment categories

Latest source checkSep 21, 2026

All equipment 35,051 Solar panels 22,186 Inverters 2,473 Energy storage 6,837 Batteries 991 Meters 787 Power control systems 94 Legacy PCS 1,683

The directory

Details make the difference.

Find a model. Check the configuration.
Take the evidence with you.

A registry listing is a starting point. CEC inclusion is not nationwide installation approval. Confirm the exact model and configuration with your utility and local authority.

How to use this data

ManufacturerObserved statusActive power (kW)Sort by

Before you specify

Match the complete model number, then check voltage, power and capacity. A family page can contain several distinct configurations.

Data methodology ↗

Scroll the table to see ratings and registry evidence →

Equipment models and representative configurations. Open a model to inspect every listed variant.
Manufacturer / model	Type / electrical	Reported ratings	CEC observation
Fortress Power LLC Avalon HV BAT 14.7P1M314.7 kWh	BatteryNot reported	7.2 kW14.7 kWh	Listed in CECSep 21, 2026
Fortress Power LLC Avalon HV BAT 19.6P1M419.6 kWh	BatteryNot reported	9.6 kW19.6 kWh	Listed in CECSep 21, 2026
Fortress Power LLC Avalon HV BAT 24.5P1M524.5 kWh	BatteryNot reported	12 kW24.5 kWh	Listed in CECSep 21, 2026
Fortress Power LLC Avalon HV BAT 29.4P1M629.4 kWh	BatteryNot reported	14.4 kW29.4 kWh	Listed in CECSep 21, 2026
Fortress Power LLC Avalon HV BAT 9.8P1M29.8 kWh	BatteryNot reported	4.8 kW9.8 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S1-O104.499 kWh	BatteryNot reported	52 kW104.499 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S2-O208.998 kWh	BatteryNot reported	104 kW208.998 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S260-O261.24 kWh	BatteryNot reported	130.62 kW261.24 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S3-O313.497 kWh	BatteryNot reported	156 kW313.497 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S312-O313.49 kWh	BatteryNot reported	156.75 kW313.49 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S364-O365.74 kWh	BatteryNot reported	182.87 kW365.74 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S416-O417.99 kWh	BatteryNot reported	208.99 kW417.99 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S4A-O417.996 kWh	BatteryNot reported	209 kW417.996 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S4B-O417.996 kWh	BatteryNot reported	209 kW417.996 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S6-O626.994 kWh	BatteryNot reported	314 kW626.994 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Mega-S8-O835.992 kWh	BatteryNot reported	418 kW835.992 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Nano-S10-I51.2 kWh	BatteryNot reported	51.2 kW51.2 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Nano-S10-O51.2 kWh	BatteryNot reported	51.2 kW51.2 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Nano-S11-I56.32 kWh	BatteryNot reported	56.32 kW56.32 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Nano-S11-O56.32 kWh	BatteryNot reported	56.32 kW56.32 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Nano-S12-I61.44 kWh	BatteryNot reported	61.44 kW61.44 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Nano-S12-O61.44 kWh	BatteryNot reported	61.44 kW61.44 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Nano-S4-I20.48 kWh	BatteryNot reported	20.48 kW20.48 kWh	Listed in CECSep 21, 2026
Fortress Power LLC FP-Nano-S4-O20.48 kWh	BatteryNot reported	20.48 kW20.48 kWh	Listed in CECSep 21, 2026

The evidence matters

A clear view.
An informed decision.

The original record, always.

Every CEC record leads back to its source workbook and check date. Archived files preserve the evidence even when a live list changes.

Follow the evidence

Context before conclusions.

A listing is one part of the picture. Model variants, utility requirements and installation conditions deserve the same attention.

How to read a listing