Luz Solidaria, S.L.
Luz Solidaria is a Spanish electricity retailer that markets itself as the only 100% renewable and charitable power company, donating its profits to social and environmental projects.
Last updated September 28, 2026
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Overview
Luz Solidaria, S.L. is a Spanish electricity supply company that positions itself as "the only 100% renewable and charitable electricity company." According to its official website, the company supplies electricity that is entirely of renewable origin and channels its profits toward charitable projects and toward growing the business so it can continue helping people and the environment. It operates in the Spanish retail electricity market, offering household and business electricity contracts with no lock-in period ("sin permanencia, sin sorpresas") and promoting itself on the promise of bill savings. The company's commercial pitch combines three pillars: savings, solidarity and sustainability. On savings, Luz Solidaria states that its products are very competitive and that 90% of its customers save on their bill, and it offers to analyse a prospective customer's electricity bill to calculate potential savings. On solidarity, it says it collaborates on projects related to children, human rights, research and sustainability. On sustainability, it states that 100% of the energy supplied is of renewable origin. Luz Solidaria works closely with the Fundación Energía Responsable (Energía Responsable Foundation), which carries out free savings and sustainability studies with the collaboration of the electricity company. The website's contact and consent language indicates that Luz Solidaria, S.L. and Fundación Energía Responsable jointly use the phone numbers entered by prospective customers to respond to contact requests. The company also invites customers to join its "Zona héroes" (heroes zone) and offers a free customer service line. As a Spanish limited company (S.L.), Luz Solidaria is a private entity. Public evidence available for this dossier does not specify its founding year, headquarters city, founders or ownership structure, so those details are left unstated here. Its identity as a commercial brand rests on its dual proposition: competitive renewable electricity retail combined with a charitable donation model.
History
Public evidence available for Luz Solidaria, S.L. does not provide a detailed corporate history, founding date or list of milestones. What can be established is that it is a Spanish company (as recorded in Wikidata) operating as an electricity retailer in Spain. Its official website presents it as "the only 100% renewable electricity company that donates its profits to charitable actions," and describes a model in which profits are allocated both to charitable projects and to growing the company so it can continue helping people and the environment. The company's market proposition is built around three themes it promotes on its homepage: savings, solidarity and sustainability. It states that its products are very competitive and that 90% of its customers save on their bill, and it invites prospective customers to send an electricity bill so that Luz Solidaria can calculate their potential savings. It emphasises that contracts have no lock-in period and come with "no surprises." On the solidarity side, it says it collaborates on projects related to children, human rights, research and sustainability. On sustainability, it states that 100% of the energy it supplies is of renewable origin. Luz Solidaria works in collaboration with the Fundación Energía Responsable, which carries out free savings and sustainability studies with the company's collaboration. The website's contact forms and consent language indicate that Luz Solidaria, S.L. and Fundación Energía Responsable jointly use the contact details provided by prospective customers to respond to contact requests. The company also operates a free customer service line and a customer area ("Área Cliente") and invites customers to join its "Zona héroes." Because the available evidence does not specify founding year, headquarters location, founders, ownership or corporate group, this dossier does not assert those details. The brand's identity as documented here is that of a private Spanish electricity retailer differentiated by its renewable-only supply and its commitment to donate profits to charitable causes.
Products and positioning
The only 100% renewable and charitable electricity company, combining competitive pricing, no lock-in contracts and donation of profits to social and environmental projects.
100% renewable electricity supply
Electricity contracts for households and businesses in which 100% of the energy supplied is of renewable origin, with no lock-in period.
Electricity bill savings study
A free service in which customers send an electricity bill and Luz Solidaria calculates their potential savings; the company states it achieved savings on more than 80% of the invoices analysed.
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