
Design, installation and commissioning of photovoltaic systems for private customers and large-scale projects
isa sunpower GmbH
Weiden i.d. OPf.New on Amplifa
About isa sunpower
isa sunpower GmbH, based in Weiden in der Oberpfalz, realizes photovoltaic systems for private customers as well as large-scale systems with medium-voltage switchgear. The service portfolio includes in-house design, installation by the company's own construction teams, and commissioning of the systems. In addition, the company offers consulting and quote comparisons, the supply of battery storage systems, and solutions for heat pumps and hot-water heating elements, including full feed-in concepts. The company has always been connected to isa industrieelektronik GmbH, founded in 1994, and previously operated in the private PV market under the names ISA Solar and ISA Energy; in recent years, its activities were limited to medium-voltage switchgear for large-scale systems. Under the new name isa sunpower GmbH, the company returned to the private PV market in 2023 and serves customers in the region of Weiden, Neustadt a. d. Waldnaab, Tirschenreuth, Marktredwitz, Wunsiedel, Amberg and Regensburg. A ten-year warranty is granted on the systems.
- Site
- Weiden i.d. OPf.
- Processes
- Design of photovoltaic systems, Assembly/installation of photovoltaic systems, Design of PV systems, Installation (own construction teams), Commissioning, Consulting/quote comparison, Supply of storage systems, Solutions for heat pumps/hot-water heating elements
- Materials
- PV modules, Battery storage systems, Medium-voltage switchgear
- Industries
- Photovoltaics, Renewable Energies, Electrical Engineering, Private-customer PV, Large-scale systems/Medium voltage
- 01
Consulting/quote comparison
- 02
Design of the PV system
- 03
Delivery of modules, storage systems and components
- 04
Installation by the company's own construction teams
- 05
Commissioning
Components and Services
PV modules
Used as the core component of the designed and installed photovoltaic systems.
Battery storage systems
Delivery and integration of storage systems for self-consumption of electricity.
Medium-voltage switchgear
Used specifically for large-scale systems.
Location

Weiden i.d. OPf.
DEHeadquarters
- Materials
- PV modules, storage systems, medium-voltage switchgear
Services


Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Design of photovoltaic systemsEngineering | – | – | – | – | PV modules, Storage systems |
| Assembly/installation of photovoltaic systemsAssembly | – | – | – | – | PV modules |
Additional services
History
- 1994
Founding of the affiliated isa industrieelektronik GmbH
Previous activity in the private PV market under the names ISA Solar and ISA Energy
- 2023
Return to the private PV market under the new name isa sunpower GmbH