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The deal expands a renewable energy partnership that began with a 57 MWac solar power agreement in Spain.
Tesla has signed a 140 MWac power purchase agreement (PPA) with Spanish renewable energy company Zelestra for electricity from a planned solar project in northeast Texas, expanding their existing renewable energy partnership into the US.
The agreement covers power from Zelestra’s Lumen Farm solar project, which is located in northeast Texas. Zelestra expects to begin construction in 2027 and bring the project into full operation by 2029.
The deal comes as Tesla’s energy needs in Texas continue to grow. It also gives Zelestra a new opportunity to expand its renewable energy business in the US and work with large corporate customers seeking long-term clean power supplies.
Phil North, Zelestra’s US CEO, said: “As a trusted global partner, we can deliver bespoke solutions for clients in multiple geographies. As such, we are excited to expand our relationship with Tesla to the US.”
Under the agreement, Tesla will receive electricity generated by the planned 140 MWac solar project once it becomes operational. The long-term PPA is expected to support the development of the Lumen Farm project while giving Tesla access to renewable power in Texas.
Zelestra said it is developing multi-technology energy solutions for hyperscalers, corporate customers and other large energy users. The company has a portfolio of more than 16 GW of renewable energy projects across key markets.
The Bilbao-headquartered company said Lumen Farm is part of its broader push to expand its presence in the US energy market. It is developing renewable projects to meet the changing electricity needs of large corporate customers as demand for power continues to rise.
Zelestra’s growing US presence comes as companies seek dedicated sources of renewable electricity to support their operations. Its project pipeline is aimed at customers looking for long-term clean energy supplies across major markets.
North said: “We aim to deliver the project and bring the new solar plant online as quickly as possible to support Tesla’s growing energy needs in Texas.”
The Texas deal builds on Tesla and Zelestra’s earlier agreement in Spain. Announced in February 2025, the 57 MWac long-term PPA was designed to supply Tesla with around 130 GWh of renewable electricity each year.
Power is being sourced from three solar plants — Brazatortas I, II and IV — in Castilla-La Mancha. The projects have a combined capacity of more than 74 MWdc and are expected to produce around 146 GWh of electricity annually.
The Spain agreement was aimed at supplying renewable power to Tesla’s automotive operations, giving the electric vehicle maker access to clean electricity while supporting Zelestra’s expansion as a corporate renewable energy supplier.
The latest deal extends that relationship into the US, where demand for renewable electricity is rising among large technology and industrial companies. For Zelestra, the agreements demonstrate its strategy of working with corporate customers across multiple markets rather than relying on a single geography.
Zelestra was recently ranked among BloombergNEF’s top 10 sellers of clean energy to corporate customers globally and in the US. The company is backed by EQT and develops, commercializes, constructs, and operates large-scale renewable energy projects.
With over a decade-long career in journalism, Neetika Walter has worked with The Economic Times, ANI, and Hindustan Times, covering politics, business, technology, and the clean energy sector. Passionate about contemporary culture, books, poetry, and storytelling, she brings depth and insight to her writing. When she isn’t chasing stories, she’s likely lost in a book or enjoying the company of her dogs.
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