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FINANCIAL ALTERNATIVES TOversion) • http://dx.doi.org/10.1590/1678-69712017/administracao.v18n1p120-147. Submission: Sept. 9, 2015. Acceptance: Sept. 30, 2016. Evaluation system: double blind review. UNIVERSIDADE PRESBITERIANA MACKENZIE. Silvio Popadiuk (Editor), Michele Nascimento Jucá (Associate Editor), p. 120-147.
1Acknowledgements to the reviewers and editor for their valuable contributions with improving the initial version of this paper and to Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) for the financial support to the research project (##401131/2010-6). This regulation sets forth the general conditions to the access of microand minigeneration granted to the electric energy distribution systems through the energy product offset method. Originality/gap/relevance/implications: This paper discusses the need for regulatory changes, greater government participation in the granting of financial and tax incentives so that PV solar power technology in distributed generation can be financially viable for residential consumers. Key methodological aspects: Investment analysis in PV systems used the Net Present Value (NPV) valuation method. The research assessed two scenarios for Grid-Connected PV Systems (GCPVSs), with different solar power usage levels for a residential consumer.
Summary of key results:The results point to a low financial viability in the implementation of distributed microgeneration projects, suggesting the need to remove the tax burden and reduce financing costs. Key considerations/conclusions: The study shows the need of flexibilization of the Brazilian regulatory model, with changes that enable the expansion of renewable energy offers, with positive economic outcomes for tariff affordability. Tariff benefits from distributed microgeneration can positively reflect on captive customers, provided that investment risks are reduced.