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Bagnes has been part of the municipality of Val de Bagnes since its merger with Vollèges took effect on 1 January 2021. Use the building’s address and plot number to confirm solar procedures with the current municipality.
Roof potential
To assess
Purchase — calculation hypothesis
CHF 0.260/kWh
Net cost — model
CHF 16'960
Payback — model
10-13 years
The 8 kWp scenario above uses the cantonal model assumptions: indicative output, 40 % self-consumption, hypothetical purchase and export tariffs, installed costs of CHF 2 200 to 2 800/kWp and assumed Pronovo support of CHF 360 to 400/kWp. It is not a local quote. Recalculate using your roof, hourly demand, contracts and confirmed grants; include fees, losses and replacements.
Have usable dimensions, roof condition and site access assessed. If reroofing is needed, compare coordinated work with a separate solar installation, specifying watertightness and warranties.
The layout must allow for obstacles and maintenance. Ask the responsible designer or contractor to justify snow loads, wind loads and mounting for this building.
A regional solar estimate does not replace a roof assessment. Include visible terrain, trees, neighbouring buildings, pitch and orientation of each roof plane in the simulation.
Request monthly results and loss assumptions. Annual output alone cannot show how winter demand is covered or whether a battery is worthwhile.
The municipality publishes energy and housing support, including solar thermal grants. A thermal grant does not automatically cover photovoltaics. Ask the municipality or ALTIS for the conditions of the scheme relevant to your project.
Calculate avoided electricity purchases from your bill and value surplus using the proposed export contract. Show gross cost, confirmed grants, maintenance and foreseeable replacements separately.
Send the plan to the municipality to confirm the procedure and requirements for the building. Reroofing, module integration or site protection may require separate checks.
The file must identify the address’s grid operator and who handles connection. Before ordering, specify required documents, outstanding approvals and their place in the work schedule.
For a quote in Bagnes, ask about travel terms, access equipment and response times for faults. Check that the scope covers roofing work, electrical work and handover.
Keep the plans, equipment models and settings supplied at handover. Agree on a contact for generation monitoring and warranty claims, including when several contractors worked on the project.
Places cited on this page — confirm service coverage
Useful checks for a building in the former municipality of Bagnes.
Contact Val de Bagnes with the address and plot number. The former municipality’s name alone does not determine all rules for the building.
These technologies fall under different schemes. Check eligible expenditure and the PV grant decision before deducting an amount from the quote.
Request an option without a battery for the same roof and demand. Compare extra cost with net savings after losses, maintenance and possible replacement.
No. Also check monthly results, shading and building use. A home with little daytime occupancy uses solar differently from a building with regular daytime loads.
Agree on checks, documentation and access to monitoring. The contract must explain how to report a defect and which company handles the work.
References checked on 6 October 2026. Confirm the conditions for your address before ordering.
Compare detailed offers, check the construction method and lock in the right order between roofing, quotes and procedures.
Receive a personalised estimate, compare your options and prepare your solar project with a clear process.
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