Sustina

Susitna Hydroelectric Project 

Conceptual Alternatives Design Report 

Final Draft 

          Prepared for:  Alaska Energy Authority  813 West Northern Lights Boulevard  Anchorage, Alaska 99503          Prepared by:    HDR Alaska, Inc. 

  2525 C Street, Suite 305  Anchorage, AK  99503          November 23, 2009 

HDR Alaska

Susitna Hydroelectric Project Conceptual Alternatives Design Report

Contents

1  2  3  Executive Summary ........................................................................................................................... 1  Background ......................................................................................................................................... 4  2.1  Project Scope ............................................................................................................................. 4  Preliminary Energy Estimate ............................................................................................................ 5  3.1  Hydrologic Analysis .................................................................................................................. 5  3.2  Evaluation of Firm Winter Capacities and Average Annual Energy ........................................ 6  3.3  Model Assumptions and Data Sources ...................................................................................... 7  3.4  Model Operation........................................................................................................................ 8  Estimates of Probable Project Development Costs ....................................................................... 11  Original Cost Estimate ............................................................................................................ 11  Expandability .......................................................................................................................... 11  Quantities...