The panel also found B.C. Hydro failed to provide information on the effect the project will have on loss of black bear dens and some traditional First Nations activities.
The panel asked the Crown agency to provide more information on its justification for the dam on the Peace River in advance of public hearings.
B.C. Hydro has provided hundreds of pages of additional information, including an estimate of how much habitat will be lost and the measures proposed to mitigate the loss.
Federal review hearings on the project will begin December 9 in FortSt. John and several communities in the B.C. and Alberta Peace.
The full response to the request for more information can be found here.