The government has upheld a Northamptonshire council's decision to refuse a wind farm planning permission.
Energy firm Nuon wanted to build seven 126m (413ft) towers at the former nuclear missile site in Harrington.
Daventry district councillors rejected the proposal in January because English Heritage had pointed to the site's significance during the Cold War.
Nuon appealed against the decision but a planning inspector said the turbines would "impact harmfully" on the site.
The seven turbines would have been taller than the Big Ben clock tower in London and would have generated enough electricity for 7,700 homes.
The Harrington proposal was one of three put forward by Nuon Renewables for the area.
In December 2009, the government approved the energy firm's plans for an 11-turbine wind farm at Swinford, in Leicestershire.