5.7% of recent U.S. home systems use Tesla solar panels. 28.2% of recent U.S. home systems use Tesla inverters. 71.6% of recent U.S. home systems use Tesla home batteries.
Tesla Solar Panels
Status: Launched Jan 2026, available nationwide, designed for the Tesla inverter + Powerwall 3 stack.
Company
USA
U.S. manufacturing
Assembles modules in the U.S. (Buffalo, NY Gigafactory (>300 MW/yr initial))
Main products
TSP-415 / TSP-420: 415-420 W, 20.3-20.5%, Not fully disclosed; 18 'Power Zones' for shade tolerance; rail-less Tesla Panel Mount
Warranty
product years: 25; performance years: 25; end of warranty pct: Check Tesla datasheet (expected ~86-88%); annual degradation pct: Check datasheet; labor coverage: Tesla installs: 10-yr workmanship (comprehensive), 25-yr panel/performance
PVEL scorecard
Not a 2026 Top Performer. Not listed
Price tier
budget-mid
Risks to weigh
New product with no field history
Lower efficiency than premium competitors
Tesla-installed service quality varies by region
US-made, so a domestic-content candidate. Efficiency is ordinary (about 20.4%).
DC-coupled hybrid (integrated 11.5 kW solar inverter, 6 MPPT); expansion units (DC Expansion 13.5 kWh)
Whole-home backup
Yes with Backup Gateway 3; 1 unit often covers 200A with load management
Typical installed price
$12,000-$17,000 per unit installed (before incentives) (estimate; get quotes)
Warranty
years: 10; retention: 70% capacity at 10 yrs; throughput: Unlimited cycles with solar self-consumption (check terms)
Price tier
mid
Risks to weigh
Tesla service quality varies
Specifications as stated by the manufacturer; confirm on the current datasheet and warranty document. Sources: energysage.com
Tesla solar panels on the CEC certified list
13 certified models, 395–430 W, up to 21.4% efficient. Highest-efficiency models shown. See all models.
Model
Watts
Efficiency
Technology
Temp. coefficient
T410H
410
21.4%
Mono-c-Si
-0.3621%/°C
TSP-430
430
21.2%
Mono-c-Si
-0.345%/°C
T405H
405
21.1%
Mono-c-Si
-0.3621%/°C
TSP-425
425
20.9%
Mono-c-Si
-0.345%/°C
T400H
400
20.8%
Mono-c-Si
-0.3621%/°C
TSP-420
420
20.7%
Mono-c-Si
-0.345%/°C
T395H
395
20.6%
Mono-c-Si
-0.3621%/°C
T430S
430
20.4%
Mono-c-Si
-0.331%/°C
TSP-415
415
20.4%
Mono-c-Si
-0.345%/°C
TSP-410
410
20.2%
Mono-c-Si
-0.345%/°C
T425S
425
20.1%
Mono-c-Si
-0.331%/°C
TSP-405
405
20%
Mono-c-Si
-0.345%/°C
Tesla inverters on the CEC certified list
3 certified models, 3.336–9.991 kW. Smallest to largest. See all models.
Model
Output
CEC efficiency
Type
1534000-xx-y
3.336 kW
97.5%
String
1538000-xx-y
6.561 kW
97.5%
String
1707000-XX-Y
9.991 kW
96.2%
Hybrid
Tesla home batteries on the CEC certified list
1 certified models, 13.5–13.5 kWh. Smallest to largest. See all models.
Model
Capacity
Power
Chemistry
Round-trip
1807000-XX-Y
13.5 kWh
—
Lithium Ion 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.