Since 2010 to cover the existing demand in the sector worldwide.

Bester is one of the leading companies in the Renewable Energy sector. It was born in September 2010 to cover the existing demand in the sector at world-wide level and in these years of trajectory it has consolidated like a company recognized internationally by its extraordinary quality of service.


  • The management team Bester founded was originally part of Inetel.
  • Inetel, dedicated to electrical engineering and telecommunications, was founded in 1989.
  • With approximately 300 employees, Inetel had revenues of 30 million euros
  • In 1996, Inetel changed its name to Grupo AMS after several M&A operations.
  • The AMS Group, dedicated to electrical engineering and telecommunications, achieved revenues of € 200 million euros in 1996 and had 1,500 employees.



  • Foundation of Bester as a result of a spin-off from the renewable energies division of the AMS Group.
  • Creation of a branch in Italy after signing contracts as EPC companies in the Italian renewable energy market.
  • Completion of the first photovoltaic project, consisting of 5 photovoltaic plants with a total capacity of 5 MW, located in Mesagne, Puglia.
  • Maintenance of solar thermal plants.
  • O&M of international photovoltaic plants. The first O&M contract is signed in Mesagne as a continuation of the EPC contract.
  • Bester creates a subsidiary in Istres to meet the needs of the French market.
  • First solar greenhouse project with an installed capacity of 10.5 MW through 55,000 photovoltaic modules spread over 112,000 square meters.
  • Bester implemented ISO 9001 for a Quality Management System and ISO 14001 for an Environmental Management System.



  • Geographical expansion in Germany, Bulgaria and Romania.
  • Bester wins the tender for the construction of a 17.5 MW wind power plant located in Cerna, Romania, which it executed in 9 months.
  • Bester opens a new corporate headquarters in Seville.
  • Bester is accredited with OHSAS 18001 – Occupational Health and Safety Management.
  • Bester owns 3 photovoltaic solar projects in Romania, with powers of 56 MW, 27 MW and 7 MW.
  • Creation of a British subsidiary, following the construction of a 12MW solar energy project.
  • Bester receives Certification 14064-1, which indicates that the calculations of the carbon footprint have been audited, so it has a System for Control of Emissions of Greenhouse Gases.



  • Consolidation in the English market with 72 MW as EPC company.
  • Start of the first Biomass plant.
  • Bester opens a branch in London and a subsidiary in the Middle East.
  • Change of business strategy: “value creation for the Group”.
  • Strong investment in the development of own projects.
  • Geographical expansion into Latin America with investments in Chile and Mexico.
  • Analysis of opportunities in the Middle East.
  • Creation of the international holding company Bester.
  • Bester opens a subsidiary in Egypt to meet Africa’s energy needs.
  • EPC of four projects with a total capacity of 39 MW in the United Kingdom, three of them developed by Progressum, one of the companies of the Bester group.
  • The Bester group focuses on strengthening the project development area.
  • Progressum opens its headquarters in Madrid.



  • Launch of a new business line in Spain: EPC of photovoltaic systems for self-consumption of electricity.
  • Development of a portfolio of PV projects in Mexico of 1000 MW.
  • Foundation, supplier of qualified services to the new Mexican electricity market. It is formed by 3 groups with international experience in the energy sector.
  • Bester has acted as technical advisor in the design and construction phase of the 20 MWp Celano project, located in Italy, and as a supplier of main equipment.
  • O&M of 12 new photovoltaic plants in Italy, and 1 plant in Spain, totaling 22 MWp.
  • Member of PV Cycle (collection and recycling of modules).
  • Bester Latam opens an office in Mexico City, in the Mapfre tower.
  • Bester Latam builds 2 photovoltaic plants in Chihuahua, Torreoncitos and Rancho El Trece, of 35 MWp each. With a yield index of 81%, they produce 158,600 MWh/year. Both have a single-axis tracker structure. 73,000 tons of CO2 are avoided from entering the atmosphere.
  • Progressum is dedicated to the development of photovoltaic solar projects in both Mexico and Spain.



  • Execution of 2 photovoltaic plants in Mexico, in the state of Guanajuato, totaling 108 MWp.
  • Civil and electrical works for the emblematic 221 MW photovoltaic solar energy project in Vaqueiros, in the south of Portugal.
  • In 2019 Bester is building the Santiz, Valdelosa and Palacios del Arzobispo projects in Salamanca, Spain and SOLARA 4 in the Algarve, Portugal, totalling more than 300 MWp.



  • In 2021, the company changed its name to Bester New Energy and began construction of the El Villar and Puertollano projects in Spain and Pontinia in Italy.
  • 2022, Currently, the Pontinia project is being continued and Castrum is being started, both in Italy.