UAE’s DEWA commissions 15 substations worth AED1.73 billion June 18, 2018 | Middle East & Africa News The United Arab Emirates’ (UAE) Dubai Electricity and Water Authority (DEWA) has commissioned 15 132/11 kV substations at a total estimated cost of AED1.73 billion. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password