Roof lease

Roof lease

Roof lease is a usage model for photovoltaics in which owners of unused roof areas lease them out on a long-term basis — for example to project developers — for the installation and operation of PV systems. In return, the owner receives a fixed or variable lease payment, but bears no investment or operating risk.

How it works

The roof area is made available under a contractual model, usually for 20–30 years. The operator of the system assumes:

 • Investment, construction, and operation of the PV system
 • Electricity marketing (feed-in, PPA, or on-site supply)
 • Maintenance and insurance

Depending on the model, remuneration for the roof owner is paid either as a fixed annual amount or performance-based (e.g. €/kWp).

Typical applications

 • Commercial or logistics buildings with large, unused roof areas
 • Agricultural buildings (e.g. barns, machinery halls)
 • Real estate companies with ESG targets and portfolio decarbonization goals
 • Industrial companies with electricity demand but no willingness to invest
 • Project developers seeking to scale PV capacity without owning suitable land or roof space

Key figures & influencing factors

 • Contract term: typically 20–30 years
 • Load-bearing capacity and structural integrity: prerequisite for installation
 • System size: depends on roof area, orientation, and shading
 • Usage concept: grid feed-in, on-site electricity supply, or a combination of both

Summary

Roof lease is a low-threshold model for building owners to generate revenue from PV systems — without upfront investment or operating effort. At the same time, it opens up new areas for project developers to scale decentralized energy supply. A genuine win-win situation — especially in the commercial, industrial, and agricultural sectors.