Covanta takes on Windsor and Maidenhead's waste Covanta Energy has signed a 25-year contract to treat all residual and organic waste from the Royal Borough of Windsor and Maidenhead. Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Email: mineralplanning@haymarket.com Call: 0208 267 8120 RegisterFREE Limited free articles a month Free email bulletins Register Subscribe Prices on request Full access to mineralandwasteplanning.co.uk Exclusive event discounts Mineralandwasteplanning print magazine Plus lots more including our State of the Industry Report. See all benefits