Your roof: Lutry
For a detached house, check roof condition, shading and electrical capacity before signing. A single owner’s decision still requires a technical roof survey.
In all cases, the useful surface area is almost always less than the gross surface area announced. Skylights, chimneys, setbacks, shading and future maintenance needs must be integrated before talking about final power.
Prepare a timetable showing procedures, approvals and work in their actual sequence. Include the constraints identified during the survey in the quotation.
Exposure and access: Lutry
Request a survey of nearby shading and the horizon, with monthly generation estimates. Compare options for your building using the same weather data and loss assumptions.
Request plans, equipment references and service boundaries before accepting a price. Value surplus using the confirmed export contract, with guarantees of origin accounted for separately.
Full cost and grants: Lutry
The displayed scenario uses an indicative installed cost for 8 kWp. A quote must specify equipment, roofing and electrical work, connection, inspections and fees before deducting confirmed grants.
Programmes depend on the municipality and available funds. Obtain written confirmation of amounts, timing, limits and combined support for your address before including them in the budget.
Check building protection and appearance requirements with the relevant authority. Specify fall protection and access for installation and maintenance.
Output must be assessed for the actual roof, its orientation, shading and condition. Tariffs depend on the grid, product and contract; a cantonal average does not replace your bill.
Building procedures: Lutry
Show chimneys, roof windows and other obstacles on the installation layout. Specify fall protection and access for installation and maintenance.
A serious estimate specifies who prepares the announcement, who manages the connection, who follows the administrative back and forth and how any comments are absorbed into the planning.
In the canton of Vaud, distinguish between Pronovo, municipal aid and Buildings Program if solar accompanies a renovation. If this timeline is poorly managed, you lose time and sometimes value on aids.
Compare quotation items for the same scope of work and supply. Distinguish avoided purchase costs from the tariff paid for exported surplus.
