Yes, you can combine several subsidies for your photovoltaic solar panels in 2026. But not all of them. MaPrimeRénov', the eco-PTZ loan, and CEE bonuses do not apply to photovoltaics: these three programs only finance solar thermal (solar water heaters, combined solar systems) or hybrid systems. For a standard PV installation for self-consumption with the sale of surplus energy, there are actually five subsidies that can be combined. This is fewer than what you read everywhere, but it's enough to significantly shorten your return on investment.
Yes, some forms of aid can be combined. But three major omissions skew the calculation.
When you type "solar panel subsidies" into Google, you find lists of seven or eight programs. The problem is that half of these subsidies don't apply to photovoltaic systems.
MaPrimeRénov' finances the thermal and hybrid solar panelsThose that produce heat for hot water or heating. Not photovoltaic panels that produce electricity. The eco-PTZ (zero-interest loan) is the same: this loan is reserved for work that improves the building's thermal performance. Producing electricity is not included. CEE (Energy Savings Certificates) bonuses follow the same logic: they apply to solar thermal systems, not PV.
In practical terms, for a photovoltaic installation in 2026, here's what you can expect: the self-consumption bonus, the guaranteed 20-year buyback rate for surplus electricity, the reduced VAT rate of 5,5% (under strict conditions), the tax exemption on sales income (for installations of 3 kWp or less), and certain local subsidies. Five incentives, not eight. Let's see what each one represents.
What you can actually stack, help by help
Here are the five grants and tax benefits that can be combined for photovoltaic systems in 2026, along with their amounts and conditions. For an overview of all the subsidies available for solar panels, consult this dedicated page.
The self-consumption bonus
This is the foundation. The state pays a fixed bonus to any individual who installs self-consumption photovoltaic panels with the sale of surplus electricity. In the first quarter of 2026, the rate is €80/kWp for installations of 9 kWp or less (CRE data, tariff order S21). For a 6 kWp installation, this amounts to €480. For 9 kWp, it's €720. The amount is fixed for the quarter in which your connection request is validated by Enedis, and it remains unchanged thereafter.
The payment is made in a single installment, approximately one year after commissioning, along with your first surplus sales invoice. The grant application is automatically initiated through the connection process, but you must first submit a complete application to Enedis and obtain the Consuel certificate of conformity. This grant can be combined with all the other schemes described here.
Please note: To benefit from the self-consumption bonus and the purchase obligation contract, the installation must be carried out by a RGE (Recognized Environmental Guarantor) certified installer. This is an essential eligibility requirement.
The obligation to purchase the surplus
Every kWh you produce but don't consume is bought back by EDF OA (or your local distribution company) at a guaranteed rate for 20 years. As of Q1 2026, this rate is €0,04/kWh injected for installations of 9 kWp or less (CRE). This is low compared to the purchase price of electricity (around €0,19/kWh at the regulated base tariff since February 2026), and this is precisely why self-consumption makes all the difference. But this income is guaranteed, contractual, and it is in addition to the bonus. The purchase obligation and the self-consumption bonus are inextricably linked: you cannot have one without the other.
Good to know: Since the decree of March 26, 2025, there is no longer a feed-in tariff for total sale of electricity to installations of 9 kWp or less. Only self-consumption with sale of surplus electricity grants access to the feed-in tariff and the subsidy.
VAT at 5,5%
Since October 1, 2025, photovoltaic installations of 9 kWp or less have been eligible for a reduced VAT rate of 5,5% instead of 20% (Article 42, 2025 Finance Law; Decree of September 8, 2025). On a 9 kWp installation costing approximately €9,000 excluding VAT, the savings amount to around €1,300. This is the second largest subsidy after the savings from self-consumption itself.
Three technical conditions must be met simultaneously:
- The installation must be 9 kWp or less.
- The panels must have a carbon footprint of less than 530 kg CO₂eq/kWc (PPE2 V2 certification) and comply with the thresholds for heavy metals (silver, lead, cadmium).
- The installation must incorporate an energy management system (EMS) that controls consumption according to production.
If even one criterion is missing, it's 20% VAT. There's no intermediate rate: the old 10% rate was eliminated on January 1, 2026.
Please note: The 5,5% VAT rate applies to the panels, inverter, and EMS, but not to the storage batteries. If your quote includes a battery, it remains subject to 20% VAT and must be listed on a separate invoice.
In practice, very few panels on the market today are PPE2 V2 certified: to date, only a few manufacturers have eligible modules. Explicitly ask your installer if their quote qualifies for the 5,5% VAT rate, and for which panels.
Exemption from sales income tax
If your installation is 3 kWp or less and you are a private individual (non-professional use, maximum two connection points), the income from selling your surplus is entirely exempt from income tax and social security contributions, including CSG and CRDS (Article 35 ter of the French General Tax Code, tax ruling of April 21, 2009, still in effect). You must still declare this income on form 2042 C Pro, in the "exempt income" section, but you will not pay any tax on it.
Beyond 3 kWp, sales revenue becomes taxable. Don't panic: with the micro-BIC regime, a 71% allowance is automatically applied. Of €200 of annual surplus revenue, only €58 is included in your taxable income. This isn't a hindrance, but it does mean one less tax advantage when calculating your overall tax liability.
Local aid
Regions, departments, municipalities, and inter-municipal bodies sometimes offer additional subsidies, the amounts of which vary depending on the area (from a few hundred to several thousand euros). These subsidies are generally presented as being able to be combined with national programs.
Please note: Article 13 of the S21 tariff decree (decree of October 6, 2021, amended on March 26, 2025) prohibits combining the self-consumption bonus and feed-in tariffs with "other public financial support for electricity production" from local, regional, national, or European sources. In practice, an interpretative note from the Ministry of Energy Transition (May 2022) distinguishes the expenditure items for which combining these subsidies remains possible: some local authorities circumvent this restriction by financing the installation (equipment, installation) rather than the production itself. However, the line is blurred. Before relying on local aid in your financing plan, check directly with your town hall or France Rénov' to ensure that combining these subsidies is indeed permitted for your project.
The table below summarizes what is cumulative and what is not cumulative for pure photovoltaics.
| Aid or advantage | Applicable to the report? | Indicative amount (≤ 9 kWp) | Can it be combined with others? |
|---|---|---|---|
| Self-consumption bonus | Yes | €80/kWp (Q1 2026) | Yes, with everything |
| Surplus purchase obligation | Yes | €0,04/kWh injected, guaranteed for 20 years | Yes (combined with the bonus) |
| 5,5% VAT | Yes, under certain conditions | ~€450 (3 kWp) to ~€1,300 (9 kWp) | Yes |
| Income tax exemption on sales revenue | Yes if ≤ 3 kWp | Variable (total exemption) | Yes |
| Local aid | Depending on the territory | Varies depending on the community | To be verified (article 13 S21) |
| MyPrimeRenov ' | No (thermal only) | ||
| Eco-PTZ | No (thermal only) | ||
| EEC premium | No (thermal only) |
How much does that represent in total, depending on your power?
Let's look at the figures. The table below shows the total cost in euros for the three most common residential power outputs, assuming eligibility for the 5,5% VAT rate (low-carbon panels + EMS). If you are subject to 20% VAT, remove the corresponding line.
| Power | Self-consumption bonus | Savings: VAT 5,5% vs. 20% | Income tax exemption | Estimated annual surplus |
|---|---|---|---|---|
| 3 kWc | €240 | ~ 450 € | Yes (totally) | 40 to 60 €/year |
| 6 kWc | €480 | ~ 870 € | No (micro-BIC, 71% allowance) | 80 to 120 €/year |
| 9 kWc | €720 | ~€1 | No (micro-BIC, 71% allowance) | 150 to 200 €/year |
For a 3 kWp installation eligible for reduced VAT, the total direct aid received in the first year amounts to approximately €690 (bonus + VAT savings), plus the full tax exemption on surplus income. For 9 kWp, this rises to approximately €2,020. These amounts should be compared to the total cost of the installation.
Beyond 3 kWp, revenue from the sale of surplus electricity is taxed under the micro-BIC regime with a 71% allowance. On annual revenue of €150, the taxable portion does not exceed €44.
Good to know: These projections do not take into account the annual degradation in panel efficiency (around 0,2% to 0,5% per year) or the replacement of the inverter, generally necessary between the 10th and 15th year (expect to pay €1,000 to €2,000). Incorporate these factors into your 20-25 year profitability calculation.
And in co-ownership?
If you are a co-owner, national subsidies apply in the same way: self-consumption bonus, purchase obligation, reduced VAT (under the same conditions). A 9 kWp collective rooftop project benefits from the same scale as a detached house.
The difference lies in taxation and timing. The tax exemption on sales revenue does not apply to co-owned properties, regardless of the installed capacity. Revenue is divided among co-owners, and each declares their share as business profits (BIC). Furthermore, a project in a co-owned property requires a vote at a general meeting. Since the law on accelerating renewable energy production of March 10, 2023, a simple majority vote under Article 24 is sufficient to approve the installation of solar panels in a co-owned property. Collective self-consumption requires the creation of an organizing legal entity. Expect an additional 6 to 12 months of administrative procedures before commissioning. Combining subsidies remains advantageous, but the process is longer than for a single-family home.
What needs to be done now
Three actions, in that order.
First step: ask your installer if their quote qualifies for the reduced 5,5% VAT rate. Ask specifically: "Are the proposed panels PPE2 V2 certified, and does the quote include an energy management system (EMS)?" If the answer is no, request a comparative quote with eligible panels. The VAT difference (5,5% vs. 20%) can amount to more than €1,000.
Second step: find out about local subsidies before signing the quote. Contact your town hall, your departmental council, or make an appointment with a France Rénov' advisor. Some local subsidies must be applied for before work begins in order to be paid. If you sign first and apply afterward, it's often too late.
Third step: run a simulation to estimate your production, your self-consumption rate and your return on investment.
To remember : For photovoltaic systems in 2026, five subsidies can be combined (self-consumption bonus, purchase obligation, 5,5% VAT under certain conditions, income tax exemption for systems ≤ 3 kWp, and local subsidies subject to conditions), but MaPrimeRénov', the eco-PTZ loan, and Energy Savings Certificates (CEE) only apply to solar thermal systems. The 5,5% VAT rate has the greatest impact in terms of amount: check the eligibility of the panels with your installer before signing. Apply for local subsidies before work begins, not after.