Article published in Magazine Canal Solar – Vol. 7, No. 1, February/2026
The advancement of distributed generation and energy storage technologies has promoted changes in the energy planning of isolated systems. Historically, diesel generators were widely used as the main source of supply in these systems, due to their operational reliability and ease of dispatch.
However, the use of diesel generators brings a high operating cost, related to diesel consumption and system maintenance.
The rising cost of diesel has driven the integration of photovoltaic systems with battery energy storage systems (BESS) as a technically and economically viable alternative to partially or fully replace diesel generators in stand-alone systems. This is mainly due to the significant price drops in both photovoltaic and storage systems in recent years.
This article aims to conduct a detailed analysis of the financial viability of implementing a hybrid system (PV + BESS + Diesel), comparing it with conventional solutions based solely on diesel generation.
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The opinions and information expressed are the sole responsibility of the author and do not necessarily represent the official position of the author. Canal Solar.
