Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Faculty Publications Article Faculty Publications -Articles Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Gillariose, Jiju; Joseph, Joshin; Sijo, P. Title A name given to the resource Disentangling homeowner motives for solar PV: Psychometric development, validation and invariance test of the Motivation for Rooftop Solar Adoption Scale Date A point or period of time associated with an event in the lifecycle of the resource 01-01-2026 Source A related resource from which the described resource is derived Social Sciences and Humanities Open;Volume;13;Issue;;Article No.;102802; Identifier An unambiguous reference to the resource within a given context <a href="https://doi.org/10.1016/j.ssaho.2026.102802" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.ssaho.2026.102802</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105035630741?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105035630741?origin=resultslist</a> Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Gillariose J., Department of Statistics and Data Science, Christ University, Hosur Road, Karnataka, Bangalore, 560029, India; Joseph J., SCAPS, Marian College Kuttikkanam, Kuttikkanam P.O. Peermade, Kerala, Idukki, 685531, India; Sijo P., SCAPS, Marian College Kuttikkanam, Kuttikkanam P.O. Peermade, Kerala, Idukki, 685531, India Description An account of the resource The rooftop photovoltaic (PV) adoption of households is shaped by heterogeneous motives of the household that extend beyond economic calculus, yet prior research often measures these motives using ad hoc or single-item indicators, limiting comparability across studies. This study develops and validates the Motivation for Rooftop Solar Adoption Scale (MRSAS) to disentangle the key motivational dimensions that drives the household PV adoption. Following established scale-development guidance, we generated an initial item pool from theory and recent PV-adoption evidence, assessed content adequacy using a structured Q-sort, and then conducted exploratory factor analysis (N = 295), followed by confirmatory factor analysis (N = 312). Results support a parsimonious 22 item six-factor model with Social Influence, Financial Motivation, Environmental Protectionism, Energy Self-Reliance, Facilitating Conditions, and Technophile Attitude as dimensions. The model exhibits excellent confirmatory model fit along with strong reliability and discriminant validity. Multi-group CFA establishes scalar invariance between adopters and non-adopters, aligning with theory, adopters score higher across all six motivational dimensions. The MRSAS provides a psychometrically robust and transferable tool for profiling why households adopt solar, supporting cumulative theory-building and enabling practitioners to tailor incentives, communication and programme design to the motivations that matter. 2026 The Authors. Subject The topic of the resource Green home; Motives for solar; pv motives; Residential solar; Rooftop solar; Solar photovoltaic adoption Publisher An entity responsible for making the resource available Elsevier Ltd Relation A related resource ISSN: 25902911; Language A language of the resource English Type The nature or genre of the resource Article Rights Information about rights held in and over the resource All Open Access; Gold Open Access Format The file format, physical medium, or dimensions of the resource online