<p>The evidence base included several detailed reports on technology costs by specialist consultancies, evidence submitted by industry on their costs from several calls for evidence, and modelling by National Grid using an investment and dispatch model of the GB electricity system.</p><p>The Government has also appointed an independent Panel of Technical Experts which provides independent scrutiny of National Grid's analysis. All the evidence and the modelling, including the panel's report on the draft delivery plan, is published on the Government website:</p><p>https://www.gov.uk/government/consultations/consultation-on-the-draft-electricity-market-reform-delivery</p>