Solar Incentives in Switzerland

Switzerland's Einmalvergütung (one-time investment contribution, abbreviated EIV or KLEIV for small residential systems) is the federal subsidy for new solar PV installations. Administered by Pronovo, the federal designation entity. The rate is set per kWp with a base portion plus a power-tier portion that diminishes for larger systems. 2026 residential rate approximately CHF 200/kWp base + CHF 380/kWp for the first 30 kWp. Application is post-installation through the Pronovo online portal; payment typically processes within 6–12 months. The EIV is a one-time payment, not a per-kWh production payment. Battery storage adders apply under specific conditions. Cantonal supplementary subsidies (see below) often stack on top.

Each of Switzerland's 26 cantons operates separate energy subsidy programmes that stack on the federal Einmalvergütung. The energiefranken.ch portal aggregates programmes by postal code. Geneva, Basel-Stadt, and Bern operate among the most generous cantonal stacks. Some cantons additionally support battery storage at CHF 100–300/kWh. Programme structures vary by canton — fixed CHF/kWp, percentage of cost, or tiered by system size. Apply through the cantonal energy office (Amt für Energie) before installation in most cantons; retroactive applications are not always accepted.

Swiss residential prosumers are compensated for grid exports at the Rückliefervergütung rate set by their local grid operator (over 600 EVUs in Switzerland). Rates vary widely: BKW pays ~CHF 0.08/kWh, EWZ Zurich pays time-of-use rates up to CHF 0.18/kWh, smaller cantonal utilities pay CHF 0.05–0.20. The rate is the 'reference market price' for solar set by ElCom (Federal Electricity Commission), with EVU-level supplements. Switzerland does not have nationwide 1:1 net metering; the system is closer to net billing with significant geographic variability. High retail rates (CHF 0.30/kWh ~ €0.30) make self-consumption substantially more economical than grid export.

Switzerland applies the standard 8.1% Mehrwertsteuer (VAT) to residential solar PV equipment and installation. There is no general residential renewable-energy exemption. The rate is meaningfully lower than EU peers (typically 19–27%), giving Swiss residential solar a structural cost advantage on the equipment side.