| December | 2026 | 
| December 11, 2025 | 10:00 - 11:30 am | Online | Free This training will cover what is in the new DER Interconnection Handbook and what needs to be done to apply for and have a DER (solar, battery storage) interconnected to City Light’s grid. The Handbook will be published on January 2, 2026, and takes effect immediately. The PATH to High Performance HVAC: A Step-by-Step Approach December 16, 2025 | 10:00 - 11:30 am | Online | Free One of the biggest obstacles to implementing High Performance HVAC is deciding where to start. With so much information, the options can drive you crazy determining what to do first. In this session, David Richardson will discuss the PATH concept and how you can use it to make High Performance HVAC part of any HVAC company or program. By the end of the session, you will have simple and practical ways to add testing, diagnostics, and system upgrades to your HVAC service offerings. | Coming soon! | 
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 Seattle City Light's resource for
Seattle City Light's resource for