Background
#The Nidwalden Energy Office refers to a cantonal incentive programme for building-envelope measures and heating replacement.
The reachable cantonal overview does not state a blanket PV amount. Official solar consultation is also available, while the national one-time remuneration through Pronovo must be checked separately. The first task is therefore to classify the project: cantonal building programme, solar consultation or national PV support. This page summarises the reachable official information and does not replace a binding review of your specific application.
What counts for funding
#The 2026 cantonal programme lists the PV-related additional support under the building envelope: an insulated building component is listed at CHF 60/m², and at CHF 120/m² when combined with a full-surface PV system. Example with explicit assumptions: if 120 m² of roof component are insulated and at least 60 m² of that roof carries PV, 50% of the roof area is covered; the nominal contribution is 120 × CHF 120 = CHF 14,400 before the general cost cap, the approved-credit limit and review of the specific application. This is support for the combined measure, not a general separate PV tariff.
The programme defines full-surface coverage as 20% of the facade, or 50% of a flat or pitched roof. Whether a project meets this definition should be checked technically before submission.
The incentive application generally has to be submitted before construction starts. The exception concerns energy consultation: its application is submitted only after the consultation has been completed. A contract or construction start before the correct filing may jeopardise eligibility.
Solar consultation is a separate decision aid. The official short report covers, among other things, the condition of the roof and facade, potential, grid connection and metering, self-consumption, storage, e-mobility, incentives, rough costs and next steps.
Pronovo must be checked separately from the cantonal building programme. For the small one-time remuneration, Pronovo names systems below 100 kW; for the large one-time remuneration, systems above 100 kW. According to the FAQ, the tariff depends on commissioning date, maximum output and system type.
The cantonal programme is subject to the approved credit. According to the programme, the incentive is capped at CHF 100,000 per measure and at 50% of total investment costs; there is no legal entitlement. These caps do not replace a property-specific review.
The process in six steps
#Tick off for your project
Classify the project
determine whether it is only a PV system, building-envelope insulation with full-surface PV, solar consultation or also a national Pronovo incentive application.
Check the building envelope and PV area
document the roof or facade area, planned insulation and module area. For the PV bonus, check the official thresholds of 20% for facades and 50% for flat and pitched roofs.
Review the cantonal incentive programme
check construction-year requirements, U-value requirements, minimum improvement and any GEAK Plus obligation for the building-envelope insulation. The 2026 programme names a building permit year before 2000 for supported buildings.
Consider solar consultation
if potential, grid connection, metering, self-consumption, storage, costs or the permit route are still unclear, the official solar consultation can organise these points for the specific building. The energy-consultation application is submitted only after the consultation is complete.
Submit the application before construction
enter the cantonal incentive application online through the building programme linked by the canton before construction work starts. Keep project and cost documents separated by measure.
Check Pronovo separately and document completion
check the applicable one-time remuneration based on output, commissioning date and system type, and keep approvals, invoices and final documents separately. The responsible funding body makes the binding decision on the specific application.
Checked for your roof, not just read up on
Once the framing is clear, a property-specific check with roof, grid and documentation is worthwhile.
Frequently asked questions
#Sources
#The responsible authorities are decisive. Always verify binding details – amounts, deadlines and conditions – for your specific property against the current status of the respective authority.