- Poly- or mono- crystalline solarmodulesm, also thin film - modules, in different engine-power class
- Standardmodules of different producers, with aluminium frame or unframed
- Solarmodules for many different applications
- Adapted coordination of he constructions
- Photovoltaic constructions for different roof pitches an style of roofs
- Inverter module for the network supply with accordant power level
- Control of the constructions
- Lightning arrester for the photovoltaic constructions

- Energy yield of approx. 850 - 1050 kWh per year
- Durability more than 30 years
- C0₂ economy of approx. 7000 kg \ kWp in 20 years
- No capital outlay because of special grants
- almost unattended
- mature technology
- well planed constructions are basic requirements for an optimal result