From NREL's press release:
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From the Executive Summary:
As distributed generation continues its rapid expansion, these new resources will have an increasingly larger role.
The Executive Summary from the report:
Utilities have taken on the practice of applying standby and fixed cost charges specific to solar PV for customers choosing to go solar as a means to recover costs resulting from net energy metering (NEM).
While PV modules and other hardware costs have dropped significantly over recent years, non-hardware soft costs have also fallen, but not nearly as sharply.