‘Record’ petition against Spanish tax on solar self-consumption and storage

July 1, 2015
LinkedIn
Twitter
Reddit
Facebook
Email

In less than a week, more than 180,000 Spanish citizens have signed a petition against plans for a new ‘sun tax’ on use of batteries for residential self-consumption of solar energy in Spain.

Meanwhile, more than 150,000 citizens signed a petition calling for the immediate resignation of José Manuel Soria, the minister of industry, energy and tourism, whose department put forward the draft law.

The new tax could increase payback time for solar-plus-storage owners from around 16 years to 31 years. Hefty fines for infringement, capped at €60 million (US$67.7 million), had also been proposed, which is double the fine for releasing nuclear waste.

The tax applies to grid-connected solar PV installations of up to 15kW. Depending on the size of the installation, the fee would be from €8.9 (US$10) per kilowatt for domestic consumers up to €36 (US$40.6) per kW for medium size businesses.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

José Donoso general director of the Spanish PV association, Union Espanola Foltovoltaico (UNEF), told PV Tech that more than 35,000 comments against the minister were presented. He said the government internet server crashed several times under the number of signatures and comments. He also said the petition had “record” numbers in such a short time.

Waiting for the ministry to make a decision, Donoso said: “We will see if the rules will change, or only cosmetic change, or nothing.”

A statement on Avaaz, the online platform for the petition, said: “The Ministry of Industry is working around the clock to protect the powerful electric oligopoly imposing new barriers to economically asphyxiate those citizens who wish to produce their own electricity using solar energy. Let us unite to prevent this shameful [sun tax]”.

You can sign the petition here (Spanish language).

More than 150,000 citizens also signed a petition calling for the immediate resignation of José Manuel Soria, the minister of industry, energy and tourism.

15 April 2026
Milan Marriott Hotel, Italy
Solarplus Europe 2026 marks the evolution of Europe’s longest-running solar conference, reflecting the industry’s transition from standalone PV to fully integrated solar-plus-storage and hybrid energy systems. Taking place in Milan, the Summit will unite developers, investors, policymakers, and technology leaders to explore how Europe can deliver firm, flexible, and bankable renewable power at scale. With a sharp focus on system integration, storage deployment, hybrid project design, and market-ready business models, Solarplus Europe provides the platform for shaping the next phase of the continent’s solar and clean power build-out.
15 September 2026
San Diego, USA
You can expect to meet and network with all the key industry players again in 2025 from major US asset owners, operators, RTOs and ISOs, optimizers, software and analytics providers, technical consultancies, O&M technology providers and more.

Read Next

April 10, 2026
New South Wales has been warned that it must accelerate the development of battery energy storage systems to meet its 2030 targets.
April 9, 2026
Multinational power firm Engie has acquired two large-scale BESS projects in Spain, paired with synchronous condensers and has launched construction on a BESS in France.
Premium
April 8, 2026
A panel at the 2026 US Energy Storage Summit in Dallas, Texas, discussed the “creative, innovative structures” developers are having to embrace to secure long-term revenues for energy storage projects.
April 8, 2026
The Canadian Province of Prince Edward Island’s PEI Energy Corporation (PEIEC) has issued a request for expressions of interest (REOI) for a 10-50MW, four-hour duration battery energy storage system (BESS).
April 8, 2026
IPPs Zelestra, BNZ and ALFI have secured offtake and financing to hybridise solar projects with BESS across Spain, Italy, Portugal and Romania.