You may not want to literally quote this biased CPUC proposal for supporting material that claims the CPUC is not biased.
I can't tell why you want so badly for the CPUC to be above board with a sound proposal. You're a California homeowner and you don't represent the interests of the IOUs. Why would you naturally assume in favor of the agencies and IOU system that has proven time and time again to be corrupt?
The CPUC "lookback study" that they commissioned to draw the conclusion you copy-pasted was executed by Verdant.
The PCT is "a measure of the quantifiable benefits and costs to the consumer due to participation in NEM 2.0". Higher ratio means more benefit to the measured group.
Commercial and Residential PCT under NEM 2.0 were basically sitting on top of each other. We can disagree all day long whether this study is accurate (the SEIA and CALSSA have already tried). But if we assume this data is the basis for CPUC rulemaking for NEM 3.0... remember this: the higher commercial NEM 2.0 fixed cost burden for non-resi is offset by the fact that companies can deduct energy costs from their taxable income. Homeowners struggle to claim such a juicy benefit unless their home is also an place that generates revenue.
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So yeah, why isn't the CPUC just smacking Air B&B homes with a $8 per kW per month fee for solar on rental properties and second homes? By all means, these revenue generating sites should be treated as businesses; these properties aren't really residential. They're discretionary money-makers. At the same time, maybe they should ask mega corporations to pay the $8 per kW per month fee too because they can easily afford it and have an avenue to pass a portion of those costs in their own business plans.
But the CPUC currently is lumping all residential into one giant category. And the only option most homeowners have to address these looming costs is to simply not install Solar or do some non-export plan like wwhitney has explained. Their willingness to significantly treat homeowners worse than Wal-Mart shows how easily corrupted the CPUC has become.