The UK government has refused development consent for Botley West, an 840 MW solar farm planned around Oxford that would have been the largest in the country. It is the first refusal of a solar nationally significant infrastructure project (NSIP) in England, PV Tech and Solar Power Portal reported.
The decision came about two weeks after the 800 MW Great North Road solar plant received a development consent order, and after the Botley West decision had been delayed twice. According to Solar Power Portal, the developer has six weeks to challenge it.
The project
Botley West was developed by Photovoltaic Development Partners (PVDP), a German-headquartered company, on behalf of the independent power producer SolarFive. It would have covered about 2,000 acres around Oxford with ground-mounted panels, including about one-fifth of the Blenheim Estate, the setting of the Blenheim Palace World Heritage Site. Solar Power Portal said PVDP has no other UK projects.
Why it was refused
The refusal letter was issued by Baroness Margaret Curran on behalf of Miatta Fahnbulleh, Secretary of State for Energy Security and Net Zero, and follows the recommendation of the Examining Authority. It cites "substantial" harm to the Green Belt, "significant" landscape and visual impacts and "serious" harm to heritage assets.
The letter also points to aviation safety concerns, a failure to properly apply the mitigation hierarchy, inadequate landscape and environmental assessment evidence and the loss of "best and most versatile" agricultural land. Oxford Aviation Services Limited had raised concerns about emergency landing areas, glint and glare, bird strike and heat-induced turbulence near London Oxford Airport, and PVDP submitted its thermal plume modelling late.
The Examining Authority found that PVDP had judged its impacts to be "inevitable and acceptable", an approach it described as "systemic from the outset".
Reaction from industry and local voices
Chris Hewett, chief executive of Solar Energy UK, called the decision "regrettable", pointing to "the desperate need for cheaper power and to push expensive gas off the grid". He added: "Nevertheless, there are multiple gigawatts of consented capacity waiting in the wings." The trade body noted that solar plants are planned or operating safely at several UK airports, including Blackpool, Teesside, Bristol, Glasgow, Belfast, Southend, Edinburgh and Newquay.
Local opponents welcomed the outcome. Charlie Maynard, Liberal Democrat MP for Witney, said he was "delighted", calling the refusal "a win for everyone who wants renewable energy and wants it to reflect the wishes of local residents".
George Gurney, a planner at Oxfordshire County Council, said it was "disappointing that these issues weren't addressed by the applicant which ultimately led to the application's refusal". He added: "This refusal could have been avoided if the applicant had sought constructive and meaningful engagement."
What it means for European developers
The UK is still approving very large solar farms, as the Great North Road consent shows, but Botley West makes clear that scale alone does not carry an application. Projects near heritage sites, airports or high-grade farmland need thorough evidence on every impact and early, genuine engagement with local authorities. Without that, developers risk refusal at the very end of a long and costly consenting process.
Source: PV Tech, Solar Power Portal
