^^Hydro, are you back at 300 LaSalle? Or maybe you never left. Fantastic timing for a picture.
Quote:
Originally Posted by Mr Downtown
Only the ComEd substations in the heart of the business district are roofed: Dearborn & Ontario, Block 37, Quincy & Franklin, State & Lake. Most others are screened but open to the sky for ventilation: this one, Desplaines & Polk, Harrison & Financial, 15th & State, Congress & Plymouth. All the saber-rattling during the 2000s about ComEd's reliability and a city takeover made Exelon anxious to invest in new central city capacity, including a new 233KV transmission line that runs under State Street from 63rd to 9th and then west under Dearborn Park etc. They're unlikely to give up an existing substation to development.
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After a hunting Waldo sort of romp through Google's aerial images, I think the Harrison one must be enclosed, or else uses transformers disguised as Chevrolets. Also, is the Quincy one inside the parking garage structure? That would impact how a future tower redevelopment there would work (I remember a boxy proposal by SOM there from the end of the 1980s but don't know what the footprint was).
Anyway, I guess I should have said infrastructure encyclopedia rather than mere historian, as that was an impressive list. I feel I'm now also curious about how many district chilling stations we have downtown (I can think of two), but it's not exactly the best thread for it so will just have to hold off for now.