Electric power markets are being deregulated nationwide with different impacts depending upon current policies and historical circumstances from region to region. The Pacific Northwest, with its historic abundance of low-cost hydropower and dependence on public power, with experience deregulation and conditioned by this legacy. This analysis focuses on the economic impacts of deregulation on the State of Washington. A 31-sector computable general equilibrium model is used to evaluate the impacts of Washington's economy. In a most likely scenario, electricity exports expand to high-priced regions. The impact on the state economy is a reduction in gross state product as a result of high electricity prices. Returns to capital increase, but returns to private capital and to labor decrease because much of the financial gain accrues to public power.