Congratulations to all Society members who retired in December 2019 and January 2020.
| Last Name | First Name | Employer |
| Allingham | Ian | Bruce Power |
| Boland | Michael | Hydro One |
| Casson | Barbara | LAO |
| Chakraborti | Ben | OPG |
| Cook | Dave | Bruce Power |
| Cufaro | Louise | Hydro One |
| Deng | Anne | Hydro One |
| Devine | Janet | Inergi |
| Finn | Andrew | OPG |
| Gallant | James | OPG |
| Gatto | Rose | Hydro One |
| Godlewski | Natalia | IESO |
| Kelly | Sandra | OPG |
| Klett | Thomas | Hydro One |
| Lam | Tom | NWMO |
| MacKay | Ronald | Bruce Power |
| Mahadeo | Ross | OPG |
| Malenfant | Jim | IESO |
| Mathison | Judith | NWMO |
| McGeogan | Paul | OPG |
| Moir | Steve | Hydro One |
| Myers | Lorin | Bruce Power |
| Nyitrai | Brian | OPG |
| Oppenheimer | Betty | New Horizon |
| Pond | Uriah | OPG |
| Power | Cheryl | Hydro One |
| Render | John | OPG |
| Riley | Wallace | Bruce Power |
| Romanowich | Larry | Bruce Power |
| Roscoe | Laurence | Hydro One |
| Rudzroga | John | Toronto Hydro |
| Servos | Lawrence | OPG |
| Smith | Cheryl | Bruce Power |
| Stemmler | Donna | Bruce Power |
| Veleke | Liane | OPG |
| Weber | Dan | Bruce Power |
