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STG Incorporated 11820 South Gambell Street Anchorage, AK 99515 www.stgincorporated.com.

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Presentation on theme: "STG Incorporated 11820 South Gambell Street Anchorage, AK 99515 www.stgincorporated.com."— Presentation transcript:

1 STG Incorporated South Gambell Street Anchorage, AK

2 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

3 STG Incorporated South Gambell Street Anchorage, AK Statewide Construction Services and Management

4 STG Incorporated South Gambell Street Anchorage, AK STG Wind Power Projects STG Incorporated South Gambell Street Anchorage, AK CLIENTLOCATIONTURBINESCAPACITY (KW) AVECSelawik4260 AVECToksook Bay3300 AVECKasigluk3300 AVECHooper Bay3300 AVECSavoonga2200 AVECGambell3300 AVECMekoryuk2200 AVECChevak4400 AVECQuinhagak3300 TDXSt. Paul2450 TDXTin City2450 BSNCNome IESKongiganak5475 UVECUnalakleet6600 TOTAL:14605,705

5 STG Incorporated South Gambell Street Anchorage, AK A Typical STG Wind Project Expense Category% Turbine Procurement38% Interconnect Line Work14% Labor14% Materials13% Freight10% Equipment8% Other2% Services1% Travel1%

6 STG Incorporated South Gambell Street Anchorage, AK Rural Wind Construction

7 STG Incorporated South Gambell Street Anchorage, AK Approximate Wind System Costs LocationRegionKWTurbinesManufacturerCompletedProject Cost$/KW SelawikSW2604AOC2004 $1,372,000 $5,277 KasiglukSW3003Northern2006 $3,076,000 $10,253 Toksook BaySW3003Northern2006 $3,352,551 $11,175 SavoongaW2002Northern2008 $3,005,794 $15,029 Tin CityW2251Vestas2008 $1,900,000 $8,444 NomeW90018Entegrity2008 $5,657,000 $6,286 Hooper BaySW3003Northern2008 $3,197,668 $10,659 GambellW3003Northern2009 $3,716,506 $12,388 ChevakSW4004Northern2009 $3,471,978 $8,680 KongiganakSW4755Windmatic2009 $4,200,000 $8,842 Totals: AVERAGE $9,578 Source: Denali Commission Records / Alaska Energy Authority

8 STG Incorporated South Gambell Street Anchorage, AK Construction Cost Containment Expense Category% Turbine Procurement38% Interconnect Line Work14% Labor14% Materials13% Freight10% Equipment8% Other2% Services1% Travel1% 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

9 STG Incorporated South Gambell Street Anchorage, AK Foundation Solutions FoundationLocationYear Driven PileSt. Paul2002 Rock AnchorSealwik2004 Driven PileToksook Bay2005 Helical PileKasigluk2006 Driven PileHooper Bay2008 Driven PileSavoonga2008 Poured ConcreteTin City2008 Rock AnchorNome2008 Driven PileKongiganak2009 Driven PileChevak2009 Driven PileMekoryuk2009 Poured ConcreteUnalakleet2009 Poured ConcreteGambell2009 Pre-Cast ConcreteQuinhagak2009

10 STG Incorporated South Gambell Street Anchorage, AK Toksook Bay Foundation

11 STG Incorporated South Gambell Street Anchorage, AK Banner Ridge Foundation

12 STG Incorporated South Gambell Street Anchorage, AK Quinhagak Foundation

13 STG Incorporated South Gambell Street Anchorage, AK Wind-Diesel Integration and Objectives

14 STG Incorporated South Gambell Street Anchorage, AK Challenges Faced with Energy Cost Escalation Electricity Heating Transportation RESIDENTS COMMERCIAL SERVICES STATE AND FEDERAL ASSISTANCE

15 STG Incorporated South Gambell Street Anchorage, AK Alaska Trends in Federal Spending Source: The Tax Foundation, Washington, D.C

16 STG Incorporated South Gambell Street Anchorage, AK Federal and State Capital Project Spending ( ) KasiglukToksook BaySelawikHooper BaySavoonga Wind Generation $ 2,503,961 $ 3,030,000 $ 1,315,012 $ 3,127,668 $ 1,554,697 Other Energy Infrastructure $ 11,551,558 $ 11,835,516 $ 9,377,153 $ 507,887 $ 7,603,263 Health/Sanitation $ 23,795,520 $ 14,608,238 $ 19,899,144 $ 29,428,452 $ 22,021,436 Transportation $ 15,444,175 $ 14,161,939 $ 16,573,713 $ 13,589,129 $ 16,711,667 Education $ 8,828,704 $ 34,862,293 $ 25,000,000 $ 32,269,036 $ 32,233,568 Other Development $ 4,812,826 $ 3,291,548 $ 11,787,939 $ 16,850,229 $ 30,742,250 TOTAL $ 66,936,744 $ 81,789,534 $ 83,952,961 $ 95,772,401 $ 110,866,881 Population , Per Capita Spending $ 122,820 $ 134,081 $ 101,392 $ 83,353 $ 155,712 Source: AK Division of Community and Regional Affairs

17 STG Incorporated South Gambell Street Anchorage, AK Federal and State Capital Project Spending ( ) Source: AK Division of Community and Regional Affairs

18 STG Incorporated South Gambell Street Anchorage, AK Typical Village Infrastructure Power PlantSchoolHealth ClinicCommunicationsWater & SewerTransportation/AirportPost Office REQUIRE AFFORDABLE ENERGY TO BE SUSTAINABLE

19 STG Incorporated South Gambell Street Anchorage, AK Current Energy Delivery in Rural Alaska SupplyDemand Supplemental Electricity Supplemental Heat Diesel (Relatively) Small Wind

20 STG Incorporated South Gambell Street Anchorage, AK Potential Energy Delivery in Rural Alaska Supply Demand Primary ElectricityPrimary HeatWater Treatment Regional Energy Distribution DieselLarge Wind

21 STG Incorporated South Gambell Street Anchorage, AK Opportunities with Dispatchable Energy Concept Credit: Dennis Meiners, Intelligent Energy Systems


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