TY - RPRT TI - A Simple Panel System to Overcome Interface Challenges for Retrofits: Preprint AU - Kaufman, Zoe [National Laboratory of the Rockies, Golden, CO (United States)] (ORCID:0000000177451000) AU - Goldwasser, David [National Laboratory of the Rockies, Golden, CO (United States)] (ORCID:0000000233707155) AU - Poerschke, Andrew [IBACOS] AU - Bianchi, Marcus [National Laboratory of the Rockies, Golden, CO (United States)] AU - Laurence-Chasen, J.D. [National Laboratory of the Rockies, Golden, CO (United States)] AU - Egan, Hilary [National Laboratory of the Rockies, Golden, CO (United States)] AU - Parker, Joy-Marie [National Renewable Energy Laboratory; University of California, Berkeley] AU - Harris, Chioke [National Laboratory of the Rockies, Golden, CO (United States)] (ORCID:0000000334536527) AU - Wolfgang, Brian [IBACOS] PY - 2026 UR - https://www.osti.gov/biblio/3030037 ID - 3030037 ER -