Impatience is building among state energy ministers over the ongoing failure of federal Energy Minister Angus Taylor to call a meeting to tackle the national policy vacuum on long-term energy and emissions settings that is driving state authorities to forge ahead with their own measures.

With the last Council of Australian Governments meeting between federal, state and territory energy ministers ending in acrimony last December, some were expecting a meeting this month in Melbourne, while other sources said their expectations of a meeting at the end of August in Perth looked unlikely to be met.