David MacMillan Profile picture
Program Manager, Environment & Climate Division @cityoftoronto. Views expressed on this account do not necessarily reflect those of my employer
Dec 13, 2022 10 tweets 5 min read
Last week, Toronto Community Housing issued a Request for Proposals for a “District Energy System Consultant - Regent Park Revitalization Phases 4 and 5”. torontohousing.ca/doing-business… This is an incredible opportunity. #TransformTO 🧵 1/10 First, some context. Here is the overall phasing plan for Regent Park, as well as the proposed massing and estimated construction schedule for Phases 4 & 5. 2/10
Nov 15, 2022 8 tweets 5 min read
🧵Great presentations and discussion on the approaches to #DistrictEnergy development in Denmark and Canada (mostly ON and BC). TL;DR, they are very different! Thanks @ULIToronto and @BTYGroup 1/8 Denmark responded to the 1970s oil crisis with strong regulation of the heat sector. As Lars Hummelrose of @DBDHdk shows, in some ways it looks like Ontario’s regulation of electricity. 2/8
Sep 6, 2022 12 tweets 4 min read
A thread on urban trees.🌳🌳🌳
TL;DR: We should repurpose the publicly-owned right of way (RoW) to grow our urban tree canopy. 1/12 Background:

Two weeks ago @todd_irvine wrote a great thread explaining why Lower Sherbourne's street trees are thriving 2/12
Aug 22, 2022 9 tweets 4 min read
While it's true that the Ford government has no climate action plan and is providing next to no support for municipal action, I think there is a lot more that the Mayors and Councillors quoted here can do on their own. 🧵1/9 On new development specifically, municipalities can "compel sustainability in [private] buildings". Toronto has the Toronto Green Standard, which we apply using Site Plan Control, through authority in the Planning Act and City of Toronto Act (COTA). 2/9 taf.ca/green-developm…
Jul 20, 2022 19 tweets 6 min read
Finally read @jm_mcgrath's article on the Etobicoke Civic Centre Precinct low carbon district energy project, one of our first DE projects. Long-thread🧵 on it's journey, which I joined in 2013, but which really started early post-amalgamation: tvo.org/article/breaki… 1999: City Council received the report "Accommodation Plan and Long-term Strategy for Service Delivery for the City of Toronto and Master Plan for Office Accommodation" (aka the original #ModernTO), which identified the need for new facilities for west sector City staff. 1/18
May 10, 2022 12 tweets 3 min read
🚨BIG NEWS!🚨The OEB has denied Enbridge's request to replace a 20 km section of the St. Laurent pipeline in Ottawa, stating, "The OEB finds that the need for the Project and the alternatives to the Project have not been appropriately assessed." 🧵 1/10 rds.oeb.ca/CMWebDrawer/Re… Intervenors, including City of Ottawa, Ottawa Community Housing and Pollution Probe, presented evidence that focused on "actions and plans of these organizations to reduce their natural gas demand within the area served by the St. Laurent system." 2/10