Item 99812 - 8-20 Plum Street, Portland, 1924 Item 99812 - 8-20 Plum Street, Portland, 1924 Contributed by City of Portland - Planning & Development Item 99812 Zoom 4766px x 3512px - 15.9"w x 11.7"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Power Plant at 8-20 Plum Street, Portland, was owned by Cumberland County Power & Light Co. in 1924. Show Details