Figure

An SCE household's heaviest hours and the grid's most expensive hours

SCE's residential class-average load peaks between 6 and 8 PM, and the real-time wholesale price follows the same shape, so the household and the system strain in the same evening hours.

Chart overlaying SCE residential class-average hourly load with the real-time wholesale price across a day. Both peak in the 6-to-8 PM evening window, after solar rolls off.

This figure is from the Southern California Edison case study, a primary-source look at how California procured storage and what pointing the same playbook at demand would add.

Cite this figure

Corey Balgeman, "An SCE household's heaviest hours and the grid's most expensive hours," Grid Flexibility, 2026. https://gridflexibility.fyi/case-studies/southern-california-edison/figures/household-vs-grid-day

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Last updated: 2026-07-03.