Panasonic

1.2% of recent U.S. home systems use Panasonic solar panels. 0.1% of recent U.S. home systems use Panasonic home batteries.

Panasonic (EverVolt)

Status: EXITED. Stopped making its own modules in 2021 and moved to OEM supply. In April 2025 it told North American partners it was leaving residential solar and storage entirely (EverVolt panels, battery, SmartBox). Says it will honor warranties for installed and not-yet-installed products.

Company

Japan

U.S. manufacturing

No U.S. module assembly

Main products

EverVolt Black Series (discontinued): 400-420 W, ~20.5-21.7%, HJT / TOPCon (OEM-sourced)

Warranty

product years: 25; performance years: 25; end of warranty pct: ~92% at yr 25; annual degradation pct: ~0.25%/yr; labor coverage: Yes (25-yr) for products sold through authorized installers; Panasonic says it will honor existing warranties

PVEL scorecard

Not a 2026 Top Performer. No longer participating

Price tier

premium

Risks to weigh

Orphaned product line: replacement parts and RMA logistics will get harder over time
Warranty is only as good as Panasonic's continued service commitment

Red flag if an installer is still selling 'new' EverVolt in 2026 without disclosing the exit.

Checked against 2025–2026 sources. Sources: pv-magazine-usa.com, energysage.com

Panasonic EverVolt

Status: DISCONTINUED April 2025. Panasonic says warranties will be honored.

Company

Japan

Capacity and power

11.4-17.1 (EverVolt 2.0) kWh usable, 5.5-7.6 kW continuous, NMC/LFP (varies by gen), round-trip ~90%

Design

AC or DC

Whole-home backup

Partial

Typical installed price

N/A (discontinued) (estimate; get quotes)

Warranty

years: 10-12; retention: 60-70%; throughput: Check

Price tier

N/A

Risks to weigh

Orphaned product

Checked against 2025–2026 sources. Sources: pv-magazine-usa.com

Panasonic solar panels on the CEC certified list

14 certified models, 350–430 W, up to 22.9% efficient. Highest-efficiency models shown. See all models.

Model	Watts	Efficiency	Technology	Temp. coefficient
EVPV430HK2	430	22.9%	Mono-c-Si	-0.234%/°C
EVPV410H	410	22.9%	Mono-c-Si	-0.257%/°C
EVPV410HK	410	22.9%	Mono-c-Si	-0.256%/°C
EVPV380	380	22.5%	Mono-c-Si	-0.258%/°C
EVPV420HK2	420	22.3%	Mono-c-Si	-0.234%/°C
EVPV400H	400	22.3%	Mono-c-Si	-0.257%/°C
EVPV400HK	400	22.3%	Mono-c-Si	-0.256%/°C
EVPV370K	370	21.9%	Mono-c-Si	-0.266%/°C
EVPV410HK2	410	21.8%	Mono-c-Si	-0.234%/°C
EVPV390H	390	21.8%	Mono-c-Si	-0.257%/°C
EVPV390HK	390	21.8%	Mono-c-Si	-0.256%/°C
EVPV370PK	370	20.9%	Mono-c-Si	-0.339%/°C

Panasonic home batteries on the CEC certified list

3 certified models, 10–20 kWh. Smallest to largest. See all models.

Model	Capacity	Power	Chemistry	Round-trip
EV-X10	10 kWh	5.5 kW	Lithium Iron Phosphate	—
EV-X15	15 kWh	8.3 kW	Lithium Iron Phosphate	—
EV-X20	20 kWh	11.1 kW	Lithium Iron Phosphate	—

Choosing equipmentA well-installed mid-tier system beats a premium brand installed badly. Ask quotes to name exact models, compare warranties in writing, and check that the company backing a 25-year warranty is financially healthy. Compare your quotes.