ðə fˈɜːst dʒˈɛnɚɹˌeɪɾɪŋ sˈoːɹs təbi dɪvˈɛləpt wʌzðə pˈækwʊd lˈeɪk hˌaɪdɹoʊɪlˈɛktɹɪk pɹˈɑːdʒɛkt, loʊkˈeɪɾᵻd ɪn lˈuːɪs kˈaʊnti, wˈɑːʃɪŋtən stˈeɪt ɐpɹˈɑːksɪmətli twˈɛnti mˈaɪlz sˈaʊθ ʌv mˈaʊnt ɹˈeɪniɚ.
The first generating source to be developed was the Packwood Lake Hydroelectric Project, located in Lewis County, Washington State approximately 20 miles south of Mount Rainier.