This approach is piecemeal and is unlikely to come up with the most effective solution to future grid needs, which should be designed to use the least possible amount of infrastructure.
Mae'r dull hwn yn dameidiog ac mae'n annhebygol o feddwl am yr ateb mwyaf effeithiol ar gyfer anghenion y grid yn y dyfodol, a ddylai gael ei ddylunio i ddefnyddio cyn lleied â phosibl o seilwaith.