In renewable energy: a combination of RE Plant/s and ESS that is solely charged by the RE Plant/s [Section 3(ff), Implementing Rules and Regulations of Republic Act No. 9513, as amended by Section 1, DOE Department Circular No. DC2025-09-0014, Prescribing Amendments to Department Circular No. DC2009-05-0008 Titled “Rules and Regulations Implementing Republic Act No. 9513, Otherwise Known as the ‘Renewable Energy Act of 2008’”]