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Practical guides on electricity excise, AD-1 declarations and ADM compliance.

Guides21 May 2026· 6 min.

AD-1 Declarant Categories: Guide to Liable Persons in Italy

Hub of declarant-category deep-dives for the Italian AD-1 declaration under arts. 52-54 TUA: self-producer, professional user, photovoltaic, total grid injection, net metering, cogeneration and CER - with dedicated deep-dives and quadri mapping.

Guides21 May 2026· 8 min.

AD-1 Professional User in Italy: Self-Use Buyers, Quadri and 2026 Deadlines

The professional user (utente professionale - buyer of electricity for own use, Art. 53 c.2 lett. c TUA) is a liable person without a production plant. Which AD-1 quadri to file, how the 15% bond is calculated, and the 2026 semi-annual deadlines.