District Heating Network Investment Subsidy (WIS)
Pays heat companies and cooperatives up to half the cost of a new gas-free district heat network.
The subsidy rate itself is tiered by company size: a large company gets 30% of eligible investment costs, a medium-sized company 40%, and a small enterprise 50%, though a per-connection ceiling also applies — a capped amount per small-user connection for the district distribution network, and a separate, lower capped amount per connection for the primary network. Applicants can send in a short pro…
WIS is for heat cooperatives, heat companies, or other businesses investing their own money in a new or expanded energy-efficient district heat network that moves existing Dutch homes and buildings off natural gas. Municipalities can't apply directly, but a municipal or other heat company can.
Sign up free to see the funding breakdown
Sign up free to see the industries in scope
Sign up free to see the full eligibility
Sign up free to see how to apply
Sign up free to see what you submit
Sign up free to see the timeline
Sign up free to see where teams trip up
Guides for this application
All guides →Grant Work Plan Template: Work Packages, Gantt, Milestones, and Risks
Use this grant work plan template to structure work packages, tasks, owners, deliverables, Gantt timing, dependencies, and risk registers.
Write proposalGrant Concept Note Example: Pre-Proposal Structure for Startups
See a practical grant concept note example, with a worked deeptech pre-proposal, section map, invite-to-full logic, and reviewer checks.
Find grantsGovernment Grants for Startups: What Deeptech Founders Should Know
A practical guide to government grants for startups, including Grants.gov, SBIR/STTR, state programs, eligibility, fit, timelines, and when to apply.
More from RVO
All grants from this funder →ITEA 4 - 2026 Call
🇳🇱RVO · Netherlands
Funds Dutch companies and knowledge institutions in international software-systems R&D projects up to €4 million.
Maritime Masterplan 2026
🇳🇱RVO · Netherlands
Funds Dutch-led ship consortia developing hydrogen, methanol, ammonia or carbon-capture propulsion.
SME Collectives Sustainable Travel Behaviour (COVER)
🇳🇱RVO · Netherlands
Pays Dutch SME representative bodies to make their members' employee commuting greener.
Zero-Emission Coach Subsidy (STour)
🇳🇱RVO · Netherlands
Pays Dutch coach operators part of the extra cost of a new battery-electric touring coach.
DEI+ Energy and Climate Innovation Demonstration
🇳🇱RVO · Netherlands
Funds carbon reduction demonstration pilots in Dutch energy sectors to advance climate and technology transitions.
Strengthening Environmental Safety in Industry (SVO)
🇳🇱RVO · Netherlands
Pays Dutch industrial collaborations up to EUR 500,000 for above-and-beyond safety projects.
Similar grants
Browse the directory →Boosting climate-neutral cities through Pre-Commercial Procurement
🇪🇺European Commission · European Union
Funds a public-procurer consortium to take climate-neutral city solutions from demand to market.
Knowledge and Innovation Covenant (KIC)
🇳🇱NWO · Netherlands
Funds multi-sector consortium research in the Netherlands with private co-financing for innovation readiness.
Climate-Resilient Urban Wastewater Solutions
🇪🇺European Commission · European Union
Funds €9.5M projects that make city wastewater systems climate-resilient, resource-positive and ready for wider replication.
Green and Resilient Harbours
🇪🇺European Commission · European Union
Funds two €5.5–5.95M projects that turn ports into cleaner, circular and climate-resilient hubs for ocean and waters recovery.
Restoring European Blue Forests
🇪🇺European Commission · European Union
Funds €3.5–4M projects that restore blue forests, protect coastal carbon and make marine ecosystems more resilient.
Urban LVDC Microgrid Demonstrations
🇪🇺European Commission · European Union
Funds €7M projects that prove safe, efficient LVDC microgrids in buildings and help cities replicate them through digital twins.