Date: May 2024

With decarbonization policy driving electrification of heating loads and vehicles, increased winter load growth is imminent. Yet, while winter peaks are arguably a major concern for NW utility planners, technology interactions, customer experience, and a lack of shared experiences present barriers and challenges. In addition, electric-only programs require tailoring programs and enrollment processes to achieve reliable load relief. This presentation will highlight learnings from recent direct load control pilot in Seattle that includes smart thermostats for electric furnaces, heat pump systems, and line-voltage thermostats. Additionally, this pilot explored a range of different dispatch strategies, including events with pre-conditioning and variable time of day, duration, and setback thresholds. Through insights gleaned via delivery and through evaluation of load impacts and customer experience, this case study will share details regarding best practices for winter season demand response, and valuable takeaways specifically regarding screening for heat type and equipment.

Speakers:
Emma Johnson, Seattle City Light
Scott Reeves, Cadeo