Abstract Distributed solar photovoltaics (PV) are now widespread in Japan, and many early systems are reaching ages where routine maintenance and inspection (M households and workplaces) to examine both (1) current implementation of statutory M these estimates are interpreted as separate associations rather than as ranked effects across different model specifications. More frequent generation monitoring and recognition of module power-output warranties are also linked to current implementation. The findings suggest that improving compliance is less about changing general pro-maintenance attitudes and more about reducing practical frictions and making obligations visible at moments when owners are already engaged. Simple interventions—plain-language obligation notices, checklists, and direct booking or reminder links embedded in installer, utility, or municipal touchpoints—could help scale statutory M&I and support safer, longer-lived PV assets. In sustainable development terms, better statutory M&I can help sustain renewable-energy services, reduce community and workplace safety risks, extend PV lifetimes, and delay end-of-life waste, with particular relevance to SDGs 7, 11, 12, and 13.
Lee et al. (Sun,) studied this question.
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