Esse Solar vs A.B. Energy - solar panel manufacturer comparison
Both brands are closely matched on catalog size, efficiency and bifacial share - the choice comes down to local availability, price and specific model features.
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
Esse Solar is an Italian company that provides solar solutions to solar professionals, businesses, and individuals who want to improve their energy efficiency. The company was founded in 1991 and is based in Gallarate. Esse Solar has raised $6.54M in funding from VAM Investments.
- Founded
- 1991
- Headquarters
- Gallarate, Italy
- Employees
- 11-50
ABO Energy is a renewable energy company that develops and constructs renewable energy projects, focusing on wind, solar, and storage facilities. They offer turnkey solutions and have connected several gigawatts of nominal output to the grid. The company is active internationally and is committed to driving the energy...
- Founded
- 1996
- Headquarters
- Wiesbaden, Germany
- Employees
- 1,400
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
Written summary
Based on my research, I have enough context to write the comparison. Note that panel-level product data (Wp ratings, efficiency, bifacial share) is unavailable for both companies in the source data, so I will be transparent about that limitation.
Esse Solar (Italy, founded 1991) and A.B. Energy (Germany, founded 1996) represent quite different positions in the solar value chain, despite both carrying a "solar manufacturer" label in some directories. Esse Solar is a small Italian integrator and component reseller headquartered in Gallarate, operating with a team of 11-50 people and no exchange listing. Its work centers on turnkey photovoltaic systems for residential and commercial clients, partnering with third-party inverter and module brands such as Sungrow, SolarEdge, and Huawei, rather than fabricating panels in-house. A.B. Energy, by contrast, is a substantially larger German renewable-energy developer with roughly 1,400 employees and shares traded on both the Xetra and Frankfurt Stock Exchanges. The company has planned and built energy farms totalling more than 5.5 GW of capacity across wind, solar, and battery storage, and it secured tariff awards for solar projects in France and Greece in 2024, including a 50 MW installation using bifacial panels. A.B. Energy carries a meaningfully stronger institutional footprint by every conventional measure - scale, public listing, and bankable project track record.
Neither company's module portfolio carries publicly available panel-level specifications in the data reviewed here: watt-peak ratings, cell technology, efficiency figures, and bifacial share are not reported for either brand. This makes a direct product-to-product comparison impossible on technical grounds. What can be said is that Esse Solar's offering is shaped by whatever modules its distribution partners carry at a given time, making it flexible but not proprietary, while A.B. Energy's solar activity is primarily that of a project developer deploying third-party modules at scale rather than a vertically integrated manufacturer selling named panel products to end buyers.
For a typical buyer in 2025 - whether a homeowner, commercial installer, or utility procurement team - neither firm fits neatly into the role of a primary panel supplier in the way that Tier 1 manufacturers such as LONGi, Jinko, or Trina do. Esse Solar suits buyers in northern Italy who want a locally managed, full-service installation with flexible brand options. A.B. Energy is relevant primarily to project finance professionals and investors tracking European renewable IPPs, not to someone selecting a panel SKU. If the underlying need is sourcing a specific solar module with verified specifications and manufacturer warranties, both companies point buyers elsewhere, and a direct comparison between them on panel quality is not meaningful given the data available.
Generated by Claude Sonnet · 2026-05-12
Other brand comparisons
Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.