What to know before, during and after a solar installation in Switzerland.
Guides
Two frameworks let you sell your solar surplus locally rather than feeding it back into the grid. What sets them apart, and which one fits your situation.
7 June 2026 Community Connect
Guides
A solar installation lasts thirty years, and the roof covering beneath it has to last as long. When to renovate first, when you can wait, what getting it wrong costs, and why a fibre cement roof from before 1991 changes everything.
3 June 2026 Install
Guides
The federal one-off remuneration, the cantonal grant reserved for large roofs, the new battery subsidy, the BCN bonus and the tax deduction. The amounts, the conditions, and in which order to apply.
30 May 2026 Install
Guides
Three offers for the same 23 kWp roof in Vaud, from 32'200 to 44'600 francs. Where a 38% gap comes from at identical capacity, what quotes that change the capacity or the battery hide, and how to bring every offer back to a single comparable measure.
27 May 2026 Install
Guides
The lines that matter in a photovoltaic quote, the ones that must be there, and the warning signs that should alert you.
23 May 2026 Install
Guides
The price per kWp, what makes it vary, what the one-off remuneration and taxes take off it, and what is left to pay on a 10 kWp house. The orders of magnitude seen on offers, without promises.
20 May 2026 Install
Guides
Two quotes for the same roof can vary widely. What comparison reveals, and why a neutral opinion is worth more than a second quote.
16 May 2026 Install
Guides
How long between the first click and the first kWh. Step by step, what takes two weeks, what takes two months, where the calendar is really decided, and the three moves that save weeks.
12 May 2026 Install
Guides
A due-south roof is no longer the condition. What orientation, tilt, shading and area really change in production, how the Confederation rates every roof in Switzerland, and how to find out about yours in two minutes.
9 May 2026 Install
Guides
The real stages of a photovoltaic project in French-speaking Switzerland, who does what, and how long each phase takes.
5 May 2026 Install
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