Generac Review 2026
Generac manufactures 5 models across inverters & batteries.
Headquartered in International · Manufacturing in Various
Founded 1959 by Robert Kern · Headquartered in Waukesha, Wisconsin, United States
Parent company: Generac Holdings Inc.
Listed: NYSE:GNRC
Generac at a glance
Certifications: UL 9540 · UL 9540A · UL 1973 · NEC 706
Warranty: 10-yr product · 10-yr performance
Key milestones
- 1959 Founded as portable generator manufacturer
- 2010 IPO on NYSE (GNRC)
- 2019 Acquired Pika Energy, entered solar+storage market
- 2020 Launched PWRcell home battery system
Source: www.generac.com/clean-energy/pwrcell · Last updated 2026-05-27
Generac Pros & Cons (data-driven)
+ Pros
- ✓ 80% of SKUs triple-verified against manufacturer datasheets
− Cons
- ✗ Distributor and installer pricing varies — direct retail rarely available
- ✗ Some 2026 models depend on regional distributor availability
Pros and cons calculated against industry baselines: 21% panel efficiency, 12yr panel warranty, -0.32%/°C temp coeff, 90% battery RTE.
Current Generac Product List (5)
Inverters (3)
| Model | Type | AC Power | Efficiency | Warranty | Verified | Details |
|---|---|---|---|---|---|---|
| PWRcell Inverter | hybrid | 7.6 kW | 97% | 10 yr | ✓ | View → |
| XVT076A03 | string | 7.6 kW | 97.5% | 10 yr | ✓ | View → |
| PWRcell Inverter SE | hybrid | 3.8 kW | 96.5% | 10 yr | — | View → |
Batteries (2)
| Model | Capacity | Power | Chemistry | Warranty | Verified | Details |
|---|---|---|---|---|---|---|
| PWRcell M6 | 8.6 kWh | 4.5 kW | NMC | 10 yr | ✓ | View → |
| PWRcell M4 | 5 kWh | 3.4 kW | NMC | 10 yr | ✓ | View → |
Spec Sheet Downloads
4 manufacturer-published datasheets available for Generac products. All links go to the official PDF on the manufacturer's website.
- PDF Generac PWRcell Inverter datasheet →https://www.generac.com/generaccorporate/media/library/content/all-products/clean-energy/pwrcell_inverter_apke00014_apke00013_sellsheet_v3.pdf
- PDF Generac XVT076A03 Grid-Tied Inverter datasheet →https://www.generac.com/generaccorporate/media/library/content/all-products/clean-energy/pwrcell_inverter_XVT076A03_and_APKE00013_Spec_Sheet.pdf
- PDF Generac PWRcell M6 datasheet →https://www.generac.com/generaccorporate/media/library/content/all-products/clean-energy/pwrcell_battery_specsheet.pdf
- PDF Generac PWRcell M4 datasheet →https://www.generac.com/generaccorporate/media/library/content/all-products/clean-energy/pwrcell_battery_specsheet.pdf
Recent Generac News
SolarSpec does not republish third-party news. For the latest Generac news — product launches, financial filings, recalls, supply-chain updates — search Google News directly.
Search Generac news on Google News →Related Brands
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Frequently Asked Questions
What is the SolarSpec Score for Generac?
Generac earns a SolarSpec Score of 73/100 (Grade B) based on the weighted average of all 5 models in their 2026 lineup. The score combines efficiency, warranty, temperature coefficient, and verification status. See our /methodology/ page for the full formula.
How many solar products does Generac offer in 2026?
Generac offers 5 products in their 2026 lineup: 3 inverters, and 2 batteries.
Where can I download Generac datasheets?
We have direct manufacturer-published datasheet links for 4 of 5 Generac products. See the Spec Sheet Downloads section below for direct PDF links.
How we score brands
Every Generac model in our catalog is scored 0-100 using a transparent formula: efficiency (25 pts), product warranty (20 pts), performance warranty bonus (3 pts), temperature coefficient (12 pts), and datasheet verification (5 pts), on a 50-point baseline. The brand-level score is the simple average across all 5 models.
Read the full SolarSpec methodology →