Factor Energía Review
Factor Energía holds a special place in Spanish history as the first independent energy company to compete in the deregulated market. Today, they are a leading choice for customers seeking 100% green energy and simple, stable billing.
Not sure if the regulated market is right for you? Read our Regulated vs. Free Market comparison guide.
4/5
4,000+ reviews
1999
Barcelona, Spain
100% Renewable
300,000+
Supplier Scorecard
Price Competitiveness
Solar Suitability
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Simplicity
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Transparency
The Independent Pioneer
Founded in 1999, Factor Energía was the first company to receive a license to trade electricity in Spain's newly liberalized market. They have spent over two decades advocating for consumer transparency.
Based in Barcelona, the company has grown to serve over 300,000 customers, maintaining a focus on digitalization and renewable energy certificates (GOs).
In 2026, they are known for their high-quality mobile app and their 'Precio Único' approach, which simplifies the complex Spanish electricity pricing into a single flat rate.
Current Factor Energía Tariffs
Tariffs updated May 2026. Rates include regulated costs.
| Tariff Name | Type | P1 (€/kWh) | P2 | P3 | Potencia |
|---|---|---|---|---|---|
Tarifa Fija Classic time-of-use fixed rates | fixed | €0.2551 | €0.1967 | €0.1293 | €0.0820 / €0.0020 |
Tarifa Fija Precio Único Classic time-of-use fixed rates | fixed | €0.2137 | — | — | €0.0820 / €0.0020 |
What Customers Say About Factor
Factor Energía maintains a solid reputation for transparency. Their Trustpilot rating is robust, with customers often praising the ease of switching and the clear breakdown of their monthly bills.
What we like
- First independent provider in Spain
- 100% Certified renewable energy
- Excellent mobile app for tracking usage
- Very transparent billing structure
What to watch for
- Customer service wait times during peak hours
- Fixed rates can be slightly higher than variable market rates
- Focus is primarily on the Spanish peninsula
Who should avoid Factor Energía?
"Users who prefer a wide range of value-added services beyond electricity or who require physical office support."
Editor's Note: Honest assessment for better matching.
Frequently Asked Questions
Is Factor Energía 100% green?
Does 'Precio Único' include the power charge?
View Factor Green Tariffs
Direct link to provider's official website.
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