They allowed a group looking at whether energy powers should be devolved to "wither on the vine".
The assembly government also drew the committee's fire with its TAN 8 policy for focusing on windfarms as a main source of alternative energy.
However it praised assembly ministers for supporting tidal power.
Mining expertise in Wales is in danger of being lost, say MPs
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It said planners too often failed to give local people a say on large-scale windfarms in their area, forcing them into complete opposition to the projects.
The report blames UK ministers for oversimplifying the debate and painting it as a straightforward choice between nuclear stations and windfarms.
Committee chair Hywel Francis welcomed the completion of the energy review.
He said: "We can now move forward and have a better recognition and mature debate on the range of renewables rather than the overconcentration on windfarms."
Friends of the Earth Cymru spokesperson, Gordon James, said: "We welcome the report's recognition of the increasing role of renewable energy in reducing carbon dioxide emissions in Wales but are disappointed that it has not rejected nuclear power and fails to highlight the problems associated with LNG at Milford Haven".