Rainwater collector subsidy
Residents of Grand Paris Seine & Oise can receive a fixed subsidy towards a rainwater collector they buy and install.
Esta oportunidade está atualmente disponível em inglês.
Collect rainwater for outdoor uses that do not involve food, reducing drinking-water use.
The indicative grant table lists €30 for 50–199 litres, €60 for 200–499 litres, €100 for 500–999 litres and €150 for more than 1,000 litres. A separate secondhand category provides €50 for 500–1,000 litres, only with proof of purchase from shops or websites specialising in secondhand goods. The subsidy cannot exceed the purchase price.
Eligibility
You must live in the Grand Paris Seine & Oise territory and buy and install the collector yourself.
Your purchase invoice must be dated on or after 1 January 2026, be in your name and describe the collector. Till receipts are not accepted.
How to apply
- Estado
- Aberto continuamente
- Condições do período de candidaturas
- The purchase invoice must be dated on or after 1 January 2026.
After installing your collector, apply through the Grand Paris Seine & Oise online form and select “Suivant” (Next) to begin.
Upload your bank account details (RIB), the purchase invoice, proof of address less than three months old and a photo of the installed collector.