Impact of High Variable Renewable Penetrations on Dynamic Operating Reserves in Future Indonesian Electricity Industry Scenarios

Tanoto, Yusak and MacGill, Iain and Bruce, Anna and Haghdadi, Navid (2019) Impact of High Variable Renewable Penetrations on Dynamic Operating Reserves in Future Indonesian Electricity Industry Scenarios. In: 19th EEEIC International Conference on Environment and Electrical Engineering, 14-06-2019 - 14-06-2019, Genoa - Italy.

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Abstract

This paper investigates the impact of high variable renewable energy (VRE) penetrations on dynamic operating reserves, focusing on the future of Indonesia’s Java-Bali grid. We use an open source evolutionary programming-based techno-economic optimization model, National Electricity Market Optimizer (NEMO), to first assesses possible least cost generation mixes both with and without VRE, and under different carbon pricing scenarios and reserves requirements. While low cost generation, major deployment of wind and solar still requires high levels of conventional dispatchable plant, typically thermal and hydro, and while there are costs associated with this overhead, it does have interesting implications for operating reserves. Our study explores this issue and shows that not only might wind and solar reduce overall industry costs for Java-Bali in 2030, the resulting generation mix would have significantly higher reserves, and hence ability to cover unexpected plant failures and other interruptions, over most of the periods with considerably high demand.

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