Ghana’s GRIDCo expedites work on 330 kV Anwomaso–Kintampo line for stabilising power system March 10, 2021 | Middle East & Africa News The Ghana Grid Company Limited (GRIDCo) has expeditated works for completing the 330 kV Anwomaso–Kintampo transmission line, post the nationwide blackout. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password