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EXTRAGOL, S.L.

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Corporate brand

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Spanish renewable-energy company operating biomass and cogeneration plants under the Zero Waste Energy brand.

Last updated September 29, 2026

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Overview

EXTRAGOL, S.L. is a Spanish company in the renewable-energy and waste-treatment sector. It presents itself through the Zero Waste Energy brand, describing itself as a Spanish company specialised in energy solutions for renewable and sustainable power generation and the efficient treatment of waste. Its stated commitment is to electricity generation through innovative, efficient and profitable operating models built on the principles of the circular economy, zero waste and industrial decarbonisation. The company operates an integrated model in which it manages its electricity-generation assets together with a biomass and slurry (purines) supply plant. It says it has one of the best human, technical and technological teams in the sector, with extensive experience, and that it continuously incorporates technical and technological advances to achieve efficient management of both its portfolio assets and the assets to which it provides services. Its activity sits within the energy-sector value chain, with a particular focus on advisory and integral management of cogeneration and biomass plants. Its operational footprint is concentrated in Spain. Named facilities include Olextra and Extragol in Villanueva de Algaidas (Málaga), Bioenergética Egabrense cogeneration and biomass plants in Cabra (Córdoba), and the Zero Waste Energy Castilla-La Mancha plant in Consuegra. The company tracks indicators such as installed megawatts, tonnes of purines treated annually, tonnes of alperujo (olive pomace) treated annually, megawatts generated annually and total CO2 avoided. EXTRAGOL, S.L. is recorded in Wikidata as a Spanish company. It is a private company; no stock listing or parent-company relationship is indicated in the available evidence. Its public-facing identity is closely tied to the Zero Waste Energy name and website, which serves as the primary channel for describing its plants, technology and sustainability positioning.

History

EXTRAGOL, S.L. is a Spanish company active in renewable energy generation and waste treatment. Public evidence about its corporate history is limited: Wikidata records it simply as a Spanish company, and its own website presents its current operations rather than a dated corporate timeline. What can be established is its business identity and asset base. The company operates under the Zero Waste Energy banner, positioning itself as a leader in the shift of the energy sector toward a sustainable future. It describes itself as a Spanish company specialised in energy solutions for renewable and sustainable power generation and the efficient treatment of waste. Its operating philosophy is built on the circular economy, zero waste and the decarbonisation of industry, and it states that it generates electricity through innovative, efficient and profitable operating models. A distinctive feature of the company is its integrated operating model: it manages its electricity-generation assets in full, alongside a biomass and purines (slurry) supply plant. It also emphasises its human, technical and technological team and its continuous adoption of technical advances, which it says allow efficient management of both its portfolio assets and the assets to which it provides services. Its activity spans the energy-sector value chain, with a special focus on advisory and integral management of cogeneration and biomass plants. The company's named facilities are located in southern and central Spain. In Villanueva de Algaidas (Málaga) it lists the Olextra and Extragol plants. In Cabra (Córdoba) it lists Bioenergética Egabrense, comprising both a cogeneration plant and a biomass plant. In Consuegra it lists the Zero Waste Energy Castilla-La Mancha plant. These assets indicate a focus on agricultural and livestock waste streams, notably purines and alperujo (olive pomace), which are treated and used in energy generation. The company reports performance indicators covering installed megawatts, tonnes of purines treated annually, tonnes of alperujo treated annually, megawatts generated annually and total CO2 avoided. These metrics reflect its dual identity as both an energy producer and a waste-treatment operator. No founding date, founder, ownership structure, listing status or parent company is disclosed in the available evidence, and no dated milestones can be confirmed from the sources provided.

Products and positioning

Renewable energy and waste valorisation through circular-economy, zero-waste and decarbonisation principles, with integrated management of cogeneration and biomass plants.

  • Renewable electricity generation

    Electricity generated through innovative, efficient and profitable operating models based on circular economy, zero waste and decarbonisation.

  • Biomass plant operation

    Operation and integral management of biomass plants, including the Bioenergética Egabrense biomass plant in Cabra (Córdoba).

  • Cogeneration plant operation

    Operation and integral management of cogeneration plants, including the Bioenergética Egabrense cogeneration plant in Cabra (Córdoba).

  • Purines treatment

    Treatment of purines (livestock slurry) as part of the company's waste valorisation and biomass supply operations.

  • Alperujo treatment

    Treatment of alperujo (olive pomace) as part of the company's waste valorisation operations.

  • Advisory and integral management

    Advisory and integral management services for cogeneration and biomass plants within the energy-sector value chain.

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