Renewable energy generation is set to account for 95% of the net increase in global power supply through 2025 [1,2]. These renewable energy generation technologies include hydropower, solar power, and wind power. Although among the renewable energy generation technologies, solar power has taken the lead position, hydropower is the dominant technology from the global cumulative capacity aspect due to its well-established history of installation from long before [2].
As mentioned in the first part, hydropower plants modify the surrounding ecosystems, especially local ecosystems. Hydropower installation threats include altering the flow regime downstream of the hydropower outlet, changing water quality due to interrupting and altering the flow regime, leaving bypassed river sections dry in longer periods, creating barriers for fish migration due to the establishment of dams, and imposing impacts on the terrestrial ecosystem.
An interesting innovation comes in the form of a mass producible FBSS product by Wartsila, a leading Finnish company that manufactures and services power sources and other equipment in the marine and energy markets, has proposed this first-of-its-kind solution to the power grid of the Philippines to boost the reliability of electricity generation in that country [5]. It portrays the floating battery storage system (FBSS) as one of the feasible solutions to overcome the environmental challenges of hydropower plants and make the energy transition faster as well. Another traditional solution for energy storage in the hydropower segment is using a pumped hydroelectric storage system.
Then, FBSS and pumped hydroelectric storage systems are considered as two energy storage systems with different dis/advantages. FBSS is more versatile and ecofriendly than a pumped hydroelectric storage system because it helps to balance between the energy transition from fossil fuels to renewable energies faster without endangering the local ecosystem and meeting climate change targets. While FBSS has lower capacity and a few expensive than that of [3]. Suppose that if BESS charged and discharged when the electricity price is low and high respectively, power system operators would help to peak load shifting, provide smart, stable, and cost-effective electricity supply as well as meet environmental regulations [4,5]. To sum up, FBSS plus hydropower plant as a solution has synergistic effects.
Reference [for the website]
- IEA, Renewables 2020, IEA, Paris, 2020. https://www.iea.org/reports/renewables-2020.
- Soloot HE, Agheb E, Soloot AH, Moghadam S. A SWOT Analysis of Two Protection Strategies Due to the Expansion of Renewable Distributed Generation on Distribution Network. In2020 15th International Conference on Protection and Automation of Power Systems (IPAPS) (pp. 49-52). IEEE, 2020.
- Zakeri B, Syri S. Electrical energy storage systems: A comparative life cycle cost analysis. Renewable and sustainable energy reviews; 42:569-96, 2015.
- Schäffer LE. Modelling batteries-Documentation of testing of using hydropower modules to model batteries in ProdRisk and EMPSW. 2020.
- Ahčin P, Berg K, Petersen I. Techno-economic analyis of battery storage for peak shaving and frequency containment reserve. In2019 16th International Conference on the European Energy Market (EEM) (pp. 1-5). IEEE, 2019.
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