RABLE, a Dutch solar technology scale-up from Delft, has raised €2.5M in fresh funding to accelerate deployment of its self-supporting mounting system that allows solar panels to be installed on weak roofs without costly renovations.
The round was led by SHIFT Invest, with participation from Rubio Impact Ventures and the Rotterdam Energy Transition Fund (managed by InnovationQuarter).
Making weak roofs solar-ready
Research shows that over half of commercial roofs in the Netherlands cannot carry the weight of conventional solar installations. RABLE’s mounting system solves this by avoiding structural modifications, unlocking previously unusable roof surfaces for solar energy.
CEO Erik Valks said:
“Our technology unlocks enormous solar potential that has remained untapped until now. This investment allows us to scale across Europe and accelerate the energy transition.”
The company estimates that applying its solution across the Netherlands alone could add 1.1 TWh of clean energy annually, helping meet 2030 climate targets.
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Expansion across Europe
Founded in 2019, RABLE has already completed more than 50 projects and is extending its system beyond weak roofs to strong roofs and parking lots. With the new funding, the company will expand operations to France, Belgium, and Sweden before targeting further European markets.
The backers
- Rotterdam Energy Transition Fund: €100M municipal fund to support sustainable scale-ups and CO₂ reduction.
- SHIFT Invest: Dutch impact VC focusing on energy transition, circular economy, food, and green industries.
- Rubio Impact Ventures: €150M Dutch impact fund combining growth capital with expertise and networks.
