Fundación Repsol picks four start-ups for the 15th edition of its accelerator

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Fundación Repsol has chosen four start-ups for the 15th call of its Fondo de Emprendedores, its accelerator for energy-transition technology. Each gets a twelve-month programme with up to 120,000 euros as a convertible loan, advice from Repsol technologists and mentors, and in some cases the chance to run pilots at Repsol's own industrial plants or proofs of concept at the Repsol Technology Lab. A start-up that wants to show its idea works in a real refinery gets the refinery, which is a kind of support that is hard to buy.

Two of the four are Spanish. OXHYD builds reversible solid oxide cells that can generate clean electricity and produce green hydrogen, and Tether EV optimises electric-vehicle charging and helps batteries earn money by offering flexibility services to the grid. The two British ones are Airhive, which captures CO2 directly from the air using calcium looping with heat recovery, and Repolywise, which turns plastic waste straight into C2-C4 gases. All four were presented on 30 September at Campus Repsol.

Since 2011 the fund has backed 88 tech start-ups. It says 65% of them are still alive, and that together they have built more than 950 prototypes, filed over 200 patents and raised more than 1.1 billion euros in public and private money. Luis Cabra, Repsol's head of energy transition and deputy to the CEO, said a large company helps most by becoming "the first partner that helps prove an idea works at scale".