210 likes | 298 Views
Economics of Energy Systems in Rural Alaska. Business of Clean Energy Conference. STG Incorporated Jim St. George. STG Incorporated 11820 South Gambell Street Anchorage, AK 99515 www.stgincorporated.com. Presentation Overview. Background on STG
E N D
Economics of Energy Systems in Rural Alaska Business of Clean Energy Conference STG Incorporated Jim St. George STG Incorporated 11820 South Gambell Street Anchorage, AK 99515 www.stgincorporated.com
Presentation Overview • Background on STG • Alaska Utility Scale Wind Systems • STG Involvement • Project Costing • Innovation through Construction Process • Rural Infrastructure Spending Trends • Challenges and Opportunities
STG Wind Power Projects STG Incorporated 11820 South Gambell Street Anchorage, AK 99515 www.stgincorporated.com
Approximate Wind System Costs Source: Denali Commission Records / Alaska Energy Authority
Construction Cost Containment • Majority of project expenses are incurred with the purchase of WTGs • Project interconnect costs vary significantly depending on location from existing infrastructure • Some flexibility in equipment spread, but utilization of heavy equipment improves construction/erection safety and efficiency • Biggest opportunity for construction cost savings realized through foundation design
Wind-Diesel Integration and Objectives http://northernpower.kiosk-view.com/unalakleet
Challenges Faced with Energy Cost Escalation RESIDENTS STATE AND FEDERAL ASSISTANCE COMMERCIAL SERVICES
Alaska Trends in Federal Spending Source: The Tax Foundation, Washington, D.C
Federal and State Capital Project Spending (1990-2008) Source: AK Division of Community and Regional Affairs
Federal and State Capital Project Spending (1990-2008) Source: AK Division of Community and Regional Affairs
Typical Village Infrastructure REQUIRE AFFORDABLE ENERGY TO BE SUSTAINABLE
Opportunities with Dispatchable Energy Concept Credit: Dennis Meiners, Intelligent Energy Systems