Table 3: Southeast Alaska Proposed Interties Intertie Estimated Cost (millions in 2007 $) Transmission Line Length (km) Submarine Overhead Total Thomas Bay-Petersburg $ 66 15 20 35 Metlakatla-Ketchikan 15 2 26 28 Prince of Wales-Ketchikan 35 28 29 57 Prince of Wales-Wrangell HVDC 170 132 35 167 Hoonah-Greens Creek Mine (Hawk Inlet) 40 41 30 71 Hoonah-Tenakee Springs/Angoon-Takatz (Sitka) 200 15 150 165 Hoonah-Gustavus 26 47 2 49 Kake-Petersburg 31 3 80 83 Kake-Takatz (Sitka) HVDC 160 56 39 95 Juneau-Haines HVDC 150 130 8 138 Total System $893 469 419 888