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Core service

A battery is not a given. Only when the numbers work.

In Switzerland, 47% of all new PV systems are already installed with battery storage, with a total installed capacity of 896 MWh — enough to supply 100,000 households for a full day. The question is not whether a battery is technically feasible, but whether it makes economic sense for your building, your consumption profile and your tariffs. LFP technology has replaced NMC as the standard: 6,000–10,000 cycles, 15–20 years of service life, payback 10–14 years residential, 4–6 years commercial. Vigorek does not sell standard batteries — we compare variants and show transparently when the investment pays off.

In short

47% of new Swiss PV systems are installed with battery storage today — we show transparently when LFP batteries (CHF 650–1'000/kWh, 15–20 years) pay off and when they do not. Self-consumption rises from 25–35% (PV-only) to 50–65% with battery and EMS.

Configure for freeHow we work

No standard price – every roof is different. The configurator gives you an individual estimate.

Project profile

Typical use case

Households with an EV and heat pump where PV surplus charging saves CHF 500–1,500 per year compared to grid consumption.

Coverage

Planning, PV installation, electrical coordination and commissioning across German-speaking Switzerland.

Contact

info@vigorek.ch+41 78 240 07 28
Kirchweg 32
8102 Oberengstringen
Zürich, CH

Service in detail

What you can expect from us.

From planning to handover: the scope, the standards behind it and the projects this service is made for.

01Scope of work

What we concretely handle.

From substructure to handover, every step is defined before the first material reaches the roof.

What’s included

  • Variant comparison of PV-only, PV + battery (LFP), PV + wallbox and combined expansion stages — with realistic payback ranges instead of a standard recommendation.
  • Coordination of charging power (11 kW vs. 22 kW), grid connection, load management and PV surplus charging to the actual daily and evening consumption profile.
  • Integration of an energy management system (EMS/SolarManager) to prioritise heat pump, battery, wallbox and grid feed-in — with open interfaces (Modbus, OCPP) and no vendor lock-in.
  • Backup power capability (CHF 15,000–20,000 for critical loads) only where a concrete risk profile exists — not as a standard build.
02Why this is chosen

How you recognise clean work.

It is not the result alone that counts, but ownership, compliance and a traceable process.

Dependable standards

  • No blanket battery recommendation without analysing consumption profile, evening load and tariffs: self-consumption rates without battery 25–35%, with battery 50–65%.
  • LFP technology (CHF 650–1,000/kWh) with 6,000–10,000 cycles and 15–20 years of service life — we show as a scenario with ranges when the investment pays off: commercial 4–6 years, residential 10–14 years.
  • Wallbox integration with open interfaces (Modbus, OCPP): no proprietary ecosystem that restricts future expansions or product changes.
  • Load management prevents overloading the grid connection when running heat pump (15 kW) and wallbox (11–22 kW) simultaneously — invisible in daily use, but technically decisive.
03Typical application

Where this service makes the difference.

Not every roof needs the same depth – these projects benefit the most.

Especially fits

  • Households with an EV and heat pump where PV surplus charging saves CHF 500–1,500 per year compared to grid consumption.
  • Owners who want to increase their self-consumption rate from 25–35% (PV-only) to 50–65% (with battery) — calculated economically, not just promised.
  • Commercial operations with high daytime consumption where EMS and battery storage achieve payback periods of 4–6 years.

The Founders

Engineering depth. Financial structure.

You know before signing who calculates your project and who builds it. Behind that are two founders with two areas of expertise — engineering and finance — and the conviction that a solar system only works long-term when both fit together from the start.

Christian Freiberger

Christian Freiberger

CFA · former KPMG Senior Manager

Co-Founder · Strategy & Finance

Independent management consultant since 2015, previously Senior Manager at KPMG. Most recently Interim Treasury Manager at an energy storage manufacturer. Christian brings the financial structure: liquidity planning, transparent calculations and no project whose numbers don’t add up.

CFATreasuryBusiness case
Marc Hammerschmidt

Marc Hammerschmidt

B.Eng. Mechanical Engineering

Co-Founder · Engineering & Planning

Marc handles the technical side: planning, structural analysis, system integration and execution that remains traceable a decade later. An engineering mindset means no improvisation, only well-reasoned solutions for every roof.

Mechanical Eng.System planningStructural analysis

Regional Expertise

Locally rooted, experienced nationwide.

Every region has its own regulations, subsidies, and grid operators. We know the local conditions and support your project perfectly tailored to your location.

Regional fit

Our experience in your region.

Whether it's building permits, cantonal subsidies or registration with the local grid operator: a smooth execution requires local knowledge. Find specific information for your area here.

Additional region

Zug

In Zug, usage profile, charging power, grid connection and future expansion matter more than generic battery recommendations.

Configure for freePV InstallationSolar system installationFlat-Roof Photovoltaics