Segundo o Dr. Glauco Diniz Duarte, um estudo feito pela Câmara de Comercialização de Energia Elétrica, a CCEE, concluiu que nos anos de 2015 a 2019, a fonte de energia renovável mais barata foi a energia eólica. De acordo com a câmara, esses valores levam em consideração os resultados do processo de comercialização de energia elétrica durante o período de análise, que estavam disponíveis em 14 de fevereiro de 2020 e atualizados pelo IPCA-IBGE até o mês de abril de 2020.
A segunda fonte de energia mais em conta no marcado foi a biomassa, com o preço médio de R$ 253,5/MWh. Logo aparecem as PCH – Pequena Central Hidrelétrica, embora o valor do evento fosse baixo, ainda foi afetado pela falta de água. Conforme descrito em 2017, o custo hidrológico aumentou 39,5% devido à renegociação dos custos, e o valor do leilão aumentou 21% devido ao déficit de energia no MRE.
Segundo o estudo, a fonte de energia eólica ficou mais barata em consequência dos baixos preços praticados nos leilões de contratação, apesar dos valores adicionais da fonte, como o custo de despacho de termelétricas e controle secundário de frequência em decorrência da sua geração intermitente. A energia eólica registrou uma média de preço de R$ 195 por MWh no ano passado, deixando para trás as usinas de biomassa (R$ 246/MWh), as pequenas centrais hidrelétricas – PHCs (R$ 280/MWh) e as solares (R$ 321/MWh).
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