📘 Solar Incentives 2026: Complete Technical Guide
An updated and verified overview of all available incentives for solar systems in Italy in 2026, with direct links to official sources.
📌 36% Tax Deduction – Source: Qesco
Starting January 1st, 2026, the IRPEF deduction for solar systems drops from 50% to 36%, with a maximum eligible spending limit of €48,000. Confirmed by:
Qesco – Home Bonus 2026
🌱 Agricultural Grants up to 90% – Source: ESG360
For the agricultural and agri-industrial sectors, a measure approved by the European Commission allows incentives of up to 90% for solar systems installed by June 30th, 2026. Official source:
ESG360 – EU Subsidies
🏢 SME Self-Production – Source: MIMIT
Small and medium-sized enterprises can access grants for installing solar systems for self-consumption. Official info:
MIMIT – SME Self-Production
🔥 Conto Termico 3.0 – Sources: GSE, MASE, Rinnovabili.it
The new Conto Termico 3.0 offers grants up to 65% for individuals and companies and up to 100% for public administrations. Incentives apply to heat pumps, hybrid systems, and integration with solar systems. It can be combined with Energy Communities and regional programs. This grant is only available when replacing a thermal system with a heat pump.
🎓 Verified Official Sources
All data in this guide is verified and comes from public and authoritative sources. Direct references below:
📊 Conto Termico 3.0 Technical Table
Here’s an updated technical chart to understand how Conto Termico 3.0 works:
| Category | Eligible interventions | Incentive | Maximum amount |
|---|---|---|---|
| Individuals | Heat pumps, solar thermal | Up to 65% | €30,000 |
| Public Administration | Energy retrofitting | Up to 100% | €2,000,000 |
| SMEs | Heat pumps, hybrid systems | Up to 65% | €500,000 |
| Energy Communities / Nonprofits | PV + integrated storage | Up to 65% | €100,000 |
| Agriculture | Solar thermal, heat pumps | Up to 90% | €1,000,000 |
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❓ Frequently Asked Questions (FAQ)
Who can access Conto Termico 3.0?
Eligible applicants: individuals, businesses (SMEs and large), public administrations, nonprofit organizations, agricultural enterprises, and energy communities. The goal is to expand renewables beyond residential use.
What’s the difference between Conto Termico and tax deduction?
Conto Termico is a direct non-repayable grant, paid within 60 days by the GSE. The tax deduction is an IRPEF relief recoverable over 10 years. The former is faster, the latter suits those with sufficient taxable income.
Is it combinable with other incentives?
Yes, with regional programs, PNRR, Agrisolare or Energy Communities. However, it is not combinable with other support for the same expense, such as the 36% or 50% solar tax deduction.
How do you apply?
The request must be submitted within 90 days after completion of work, via the official GSE portal: PortalTermico. Technical documentation, photos, and intervention declaration are required.
How long does it take to receive the incentive?
For requests up to €15,000, GSE disburses the incentive in a single payment within 60 days. For higher amounts, disbursement is made in 2–5 annual installments.
What systems are covered by Conto Termico 3.0?
Solar thermal systems, heat pumps, biomass boilers, hybrid systems, and efficient technologies. Some solar configurations with storage are eligible if integrated with thermal components.