Working with Chugach Electric Association here in Alaska and running into unique challenges with load profile analysis in extreme cold conditions. The 15-minute interval data shows demand patterns that don't match typical commercial profiles - massive heating loads that cycle every 45-60 minutes during -40°F weather. Standard load profiling software seems inadequate for analyzing these extreme weather patterns. Anyone dealt with similar challenges in very cold climates? The heating equipment cycling is creating demand charges that are killing this client.
Alaska electric co-op load profiling challenges
Oscar, while Idaho doesn't get quite as cold as Alaska, we see similar heating load cycling issues with Idaho Power during severe winter weather. The key is understanding that electric heating systems often have multiple stages or backup systems that kick in at different temperature thresholds. Have you correlated the demand spikes with outdoor temperature data? Sometimes the utility has special cold weather rate schedules that can help during extreme conditions.
Pete, that's exactly what I needed to hear. I hadn't thought to overlay temperature data with the interval readings. Looking at it now, the demand spikes correlate perfectly with when temperatures drop below -35°F. The building has backup electric heat that automatically engages when the primary heating system can't keep up. Chugach does have a cold weather rate adjustment program that could reduce these demand charges significantly. Thanks for pointing me in the right direction!