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Rooftop solar advocates warn 15‑minute netting and demand charges could devalue customer systems
Summary
Solar United Neighbors and community groups told the committee that distributed rooftop solar and community solar provide reliability, local economic benefits and reduced transmission needs, and cautioned that policy changes — 15‑minute netting and daily demand charges — can reduce the value of customer‑owned systems without including full grid benefits in analyses.
Julia Hubbard, Nevada program director for Solar United Neighbors, told lawmakers that rooftop solar provides local resilience, reduces peak demand and is largely financed with private capital. "Rooftop solar is not using the grid as a battery," she said, challenging earlier testimony that framed exports as grid backup. Hubbard said distributed solar is predictable, reduces the need for transmission build‑out and delivers local economic benefits.
Hubbard and other presenters highlighted Nevada data: roughly 140,000 distributed solar systems provide about 1,200 MW of capacity and account for roughly 4% of the states electricity today, concentrated in Southern Nevada. She warned that 15‑minute netting (which settles generation and usage every 15 minutes rather than monthly) can devalue rooftop credits when generation and local consumption are misaligned in those short windows and that daily demand charges introduce new complexity for residential customers.
Lawmakers asked Solar United Neighbors to provide follow‑up materials including breakdowns of owned versus leased systems, studies of total grid benefits, and user‑friendly bill calculators and comparison tools. Julia Hubbard said the group would supply sources and additional documentation for distribution to committee members.
