
Athens, Greece / London, United Kingdom – October 9, 2025 – METLEN (RIC: MTLN.L, Bloomberg: MTLN.LN, MTLN.GA, ADR: MYTHY US) and Karatzis Group of Companies are entering into a new strategic partnership, through a joint venture with ownership stakes of 49% and 51% respectively, for the development, construction, operation, and energy management of a Battery Energy Storage System (BESS) with a capacity of 330MW / 790MWh in Thessaly, Greece. [pdf]

The proposed project finances three (03) main components: firstly, it will finance the construction of two (2) new 33/11kV substations, the upgrading, rehabilitation and reinforcement of two (2) 33/11kV substations; the rehabilitation and upgrading of low voltage distribution lines (140km) as well as the installation of 10 compact 11/0.4kV substations and 100 distribution transformers in the Banjul metropolitan area. [pdf]

Recently, multiple energy storage battery and material projects have announced updated progress: CATL's 80 GWh project has entered steel structure construction, Shenzhen Pengcheng Infinite New Energy Co., Ltd. launched the building of a 27 GWh energy storage cell base, 3d (Longyan) Battery Technology Co., Ltd.'s 1 GWh solid-state lithium battery project officially broke ground, and Tianmulake Excellent Anode Materials Co., Ltd.'s lithium battery material project was signed and finalized. [pdf]

Recently, Egypt’s Ministry of Electricity and Renewable Energy, the Egyptian Electricity Transmission Company, and a consortium comprising Infinity Power and Hassan Allam Utilities Energy Platform formally signed an agreement to jointly develop solar power projects with a total installed capacity of 1.2GW, coupled with the construction of a 720MWh battery energy storage system. [pdf]

Therefore, this paper starts from summarizing the role and configuration method of energy storage in new energy power stations and then proposes multidimensional evaluation indicators, including the solar curtailment rate, forecasting accuracy, and economics, which are taken as the optimization targets for configuring energy storage systems in PV power stations. [pdf]
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