Techno-economic simulator · Residential, agri & commercial PV

Bank-grade PV simulations, for every roof.

Give every visitor a personalised techno-economic study of their roof — sized to their consumption, costed for their canton, with cash flow, payback and self-consumption they can take to the bank. Under your brand.

300 credits free for every new tenant. No card required.

yourname.solvetia.ch
Simulation result
Generated in 1.2 s
Configuration
8.4 kWp · 21 panels7 kWh batteryZürich · 4'500 kWh / yr
Year-1 savings
CHF 3'200
Payback
7.5 yrs
Self-consumption
61 %
25-year return
CHF 84'000
Cumulative cash flow
CHF · 25 years · break-even at year 7.5
Y0Y7.5Y25
Generate offer
Step 1 — your front door

Branded calculator

Swiss-precise calculations for PV, batteries, heat pumps, and charging. All 26 cantons, local tariffs, current subsidies. Embedded on your domain in your colors.

No bots. No anonymous emails.

Verified leads

SMS-verified homeowners land in your dashboard the moment they finish the calculator. Every lead has a real phone number.

DE · FR · EN

Offers in minutes

Generate signed-ready PDF offers — your logo, your terms, your numbers. No copy-pasting between Word, Excel, and email.

SIX SwissPaymentStandards

Invoices with Swiss QR-bill

Issue VAT-correct invoices with a compliant SIX QR-bill payment slip. Reconcile payments, archive for your accountant, done.

Not powered by anyone but you

Your brand, end to end

Your logo on every PDF, every email, every page. Your subdomain. Your customers never see Solvetia anywhere — that's the whole point.

Self-serve project tracking

Customer portal

Your customers track their project in their language: offers, contracts, invoices, status. Cuts your support load and looks professional.

What your customers see

A clean, trustworthy experience in their language. They never know it's powered by Solvetia.

  • A real estimate in DE, FR, or EN — based on their canton, roof, and consumption.
  • A professional PDF offer that looks like your firm prepared it by hand.
  • A simple Swiss-style invoice with the QR-bill they recognise.
  • A portal where they track their project — offers, contracts, milestones.
yourname.solvetia.ch
Solar savings calculator
yourname.solvetia.ch
CHF 3,200
First-year savings
7.5 yrs
Payback period

Pay-as-you-go credits.

All features included. No setup, no monthly minimum. Credits debit only when a customer triggers a full simulation.

Welcome bonus
300 credits
free for every new tenant
Per-simulation cost is set platform-wide and shown live on the pricing page.
See full pricing

Built in Switzerland

Built here, billed here, supported here — by a team that knows the Swiss market.

nLPD & GDPR by design

Compliance is built into the data model — consent records, audit trail, retention controls. Bring it to your DPO without holding your breath.

Real Swiss QR-bill

Compliant SIX SwissPaymentStandards. Your customers recognise it; your accountant reconciles it; nobody complains.

Made by Enerphy Suisse AG

A Swiss AG building tools for the energy transition. Real people in Zürich answer your support emails.

Try Solvetia for your business.

Free to start. Pay only when Solvetia delivers a qualified lead. Set up in an afternoon.