Not free, but PGE has started an hourly variable rate plan pilot: https://www.pge.com/en/account/rate-plans/hourly-flex-pricing.html#accordion-featured-2b30e5f

Not free, but PGE has started an hourly variable rate plan pilot: https://www.pge.com/en/account/rate-plans/hourly-flex-pricing.html#accordion-featured-2b30e5fef6-item-6c45c30ab4 https://www.pge.com/en/account/rate-plans/hourly-flex-pricin... However, they aren't taking net metering customers yet, but if you end up spending more on the hourly variable rate plan, they'll refund you to the same you would have spent on the regular time of use rate plan.