Weatherization Program Notice 24-5: Solar Photovoltaic (PV) System Warranties - REVISED

Download Weatherization Program Notice 24-5: Solar Photovoltaic (PV) System Warranties - REVISED.

Weatherization Assistance Program

April 14, 2025
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REVISION to WPN 24-5, previously issued Nov. 28, 2023:

This program notice provides clarification to the U.S. Department of Energy's Weatherization Assistance Program Grantees on guidance regarding the allowability of extended warranties and their effect on the lifetime allowances of PV installations previously issued in Weatherization Program Notice 23-6 (Attachment 9).