Energy Minister Dr Mathew Opoku Prempeh says there is no need for the Electricity of Ghana (ECG) to release a time table for the recent power outages popularly called dumsor in the country. Dr Mathew Opoku Prempeh who is also the Member of Parliament for Manhyia South Constituency says the intermittent power supply in the country has not reach a level that warrants a time table as demanded by some people in the country.