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Budget & applications October 2026 5 min read

Financing solar with the 2nd pillar: check approval and pension benefits

Editorial responsibility: Franck Tournier · Report a fix

TL;DR

A pension withdrawal is not equivalent to an ordinary solar investment. It can reduce future benefits. For a photovoltaic project, first request your fund’s written assessment of eligible work and a pension-benefit simulation before and after withdrawal.

1. Have the fund assess your project

Home-ownership promotion concerns a main home used for your own needs. The FSIO limits solar financing to the documented share serving your own needs. Its 2023 clarification excludes generation you do not use yourself from financing through this withdrawal. The Federal Social Insurance Office (FSIO) explains that certain substantial improvements adding value may be financed. This is not automatic approval for your panels or battery. Submit ownership evidence, home-use details, a quote and a description of the work for a decision on your application.

2. Check the amount and timetable

Ask the fund about the available amount, age restrictions, previous withdrawals and the deadline before retirement. Clarify required consents, documents, fees and payment arrangements. Keep the written response before signing an order that depends on this funding.

3. Calculate the effects on your pension

Obtain a comparison of retirement, death and disability benefits, including the cost of any supplementary cover. Have withdrawal taxes calculated for your circumstances. Do not assume that electricity savings offset reduced benefits or that using pillar 3a leaves retirement resources unaffected.

4. Compare funding for the same project

Compare savings, credit, mortgage borrowing, pledging pension assets and withdrawal against the same solar quote. Record initial cost, fees, interest, remaining liquidity and pension benefits. For solar, separate avoided purchases, export revenue, confirmed grants, maintenance and replacements. Vary tariffs and consumption; a universal 5–9% return cannot determine the right funding for you.

5. Prepare for a change in circumstances

Before selling, moving or changing the property’s use, ask the fund how to handle repayment, possible reinvestment and the land-register entry. Confirm the deadlines for your circumstances. Keep the decision, payment record, tax documents and funding conditions with the installation file.

References for planning your project

Frequently asked questions

Is a battery automatically eligible?+

Request a decision on the specific quote and work. One fund’s acceptance of a project does not guarantee another fund’s acceptance of every component.

Does selling the home have no consequences?+

Have repayment obligations and reinvestment options assessed before selling. Do not assume that a new property project automatically removes these obligations.

Sources & method

FSIO information and PAT-BVG’s example policy checked on 7 October 2026. Have your own pension institution assess your application.

This content is for information only. For your project, verify prices, grants, timelines, permissions and expected returns with the relevant authorities, grid operator and installer, and check the applicable contracts.

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