Many of the sites developed prior to support ending were in the 10-20MW capacity range due to the subsidy available. Development is now focused on schemes larger than 20MW, which are able to benefit from greater economies of scale. Typically 1MW of installed capacity requires about 2ha of land, and many new sites. Aside from the need for available capacity on the local electricity network, proximity to a suitable power supply, typically a 33kV distribution line or substation, is one of the main criteria for solar farm sites, says Fisher German's. Spare capacity on electricity grids remains very limited in many parts of the UK, potentially restricting new developments. Where grid capacity is. Aside from the likely returns and whether the development is right for the business long-term, there are many other issues to consider, including: 1. Get early confirmation that the developer will cover all costs, irrespective of. At the height of the solar boom in 2015, rents of £1,150-£1,400/acre with an additional payment linked to the turnover from the site were possible, but recently developers are being more “opportunistic”, says George Paton of.
