![]() Further, it would make it possible to gradually place those TPPs in cold reserve. These interconnections have significant environmental benefits as the expansion of existing thermal power plants (TPPs) on the islands will no longer be required. The NII interconnection projects constitute the most important part of the draft TYNDP accounting for over 80 per cent of planned investment. Under the energy and climate plan scenario, electricity demand is expected to register a compound annual growth rate (CAGR) of 1.23 per cent and increase from 54,320 GWh in 2021 to 61,400 GWh in 2031, while under the increased demand scenario, demand is likely to register a CAGR of 1.72 per cent, increasing from 56,310 GWh to 66,780 GWh in the corresponding years. The projected electricity demand under the energy and climate plan scenario is based on the assumptions of the National Long-Term Strategy for 2050 whereas that under the increased demand scenario has been formulated with estimates based on available historical data on demand and published forecasts prepared by other competent authorities. However, the target is to implement initiatives such as energy efficiency and savings to eventually lower energy consumption, leading to a relatively small increase in demand. Both scenarios take into account the scheduling of electricity on the interconnected islands, which would lead to an increase in power demand in the country. The draft TYNDP 2022–31 lays out two different demand scenarios for the upcoming decade, namely, the energy and climate plan scenario and the increased demand scenario. The IPTO’s long-term strategy includes plans in low greenhouse emission technologies, efficient load balancing, ancillary services, storage systems, strategic expansion of offshore transmission and cross-border interconnections, and energy system digitisation. The development of interconnections of the non-interconnected islands (NIIs) is a key focus for ADMIE, as harnessing the wind potential of the country’s seas and islands depends on these interconnections. In particular, ADMIE plans to develop the 400 kV voltage network as the backbone of its system, which is ADMIE’s first priority for safe operations. As per the plan, ADMIE proposes to invest EUR4.1 billion in its electricity transmission network up to 2031 including in new international interconnections, upgrades to the national transmission system at high voltage (150 kV) and ultra-high voltage (400 kV) and new compensation projects throughout the system to improve reliability. Going forward, integration of huge amounts of RES will require commensurate investments in electricity transmission, which makes the role of the country’s independent power transmission operator (IPTO), Anexartitos Diacheiristis MetaforasIlektrikis Energeias (ADMIE), all the more crucial.ĪDMIE’s draft Ten-Year Development Plan (TYNDP) 2022–2031, released in January 2021, mirrors these energy transition targets. In 2020, RES accounted for 20 per cent of the country’s final energy consumption, which was aligned with the European Union (EU) target for the year but was higher than the initial national target of 18 per cent. The installed RES capacity is projected to more than double from the present 9.2 GW (including 3.7 GW of large hydropower projects) to 19 GW in 2030. The objectives set by the country’s National Plan for Energy and Climate for 2030 and the Long-Term Energy Planning for 2050 require integration of renewable energy sources (RES) on a big scale. Greece, much like other European countries, is focusing on carrying out a smooth energy transition and becoming a climate neutral economy by 2050.
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