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The trends of the coming years: photovoltaics on tall buildings and energy storage

20 June 2023

The two future trends in the renewable energy market are increased developer interest in installing solar panels on high-rise buildings as the stock of existing buildings is depleted, and the need for renewable energy storage, a consequence of difficulties in injecting electricity into the grid from the reason for the accelerated increase in the number of small producers.

“We see the opening of new segments, namely high-rise buildings, and we expect that in 1-2 years relevant solutions will appear for this area. For a tall building, however, mounting photovoltaic panels on the roof has an extremely low impact. So the solution of photovoltaic facades will be used”, said Dan Fleșariu, Wiren CEO, at the 9th edition of the Energy Strategy Summit, an event organized by Energynomics.

From the statistics available to Wiren, the year 2022 was dominated by household prosumers, so that 90% of all prosumers were domestic and they covered 55% of the total installed PV capacity nationally. However, in the first part of the current year there was a slowdown in investments in photovoltaics in the residential sector as a result of expectations regarding the launch of the Casa Verde program. But this slowdown will recover in the second half of the year.

This year, the ratio will change, so that the majority of PV capacity to be installed will belong to industrial prosumers. Also, the corporate segment is expected to “come strongly behind”.

“Probably, 2022 was, especially for large international companies, a budget year and this year the implementations have already started. The trend of almost exponential growth in the number of prosumers will continue in the next two years because we still have a stock of buildings that lend themselves to the installation of photovoltaic panels. From 2025 we will start to align with the growth rate of the real estate sector, that is, we will install mainly on new buildings”, added Fleșariu.

In 2025, Wiren expects 3 GW installed in solar panels at prosumers that should produce 1,300 GWh per year, and this additional amount of energy will have difficulties injecting into the grid, so there will be technical conditions and limitations and , subsequently, by law. However, it is unlikely that household prosumers will be affected, although they will have an important share in this produced energy, because they will be relatively dispersed throughout the country so that the impact in SEN will not be so great.

“But for corporate or industrial prosumers, we expect limitations to appear in one or two years, as in other EU countries. As a result, energy storage solutions are starting to become relevant,” Fleșariu also said.

Energy Strategy Summit 2023 was organised by Energynomics with the support of ABB, ASTRASUN Solar, BCR, CEZ Romania, Eaton Electric, Electrica Furnizare, Electro Service RB, Elektra Renewable Support, EnergoBit, Enevo Group, E.ON, Finder, Huawei, MET România Energy, OMV Petrom, OX2 România, Phoenix Contact, Photomate, ProCredit Bank, REI Grup, Renomia Gallagher, Romgaz, Schneider Electric, Signify, Transelectrica, Taw Energy, Volt, WIKA, Wiren, Alexandrion Group, Aqua Carpatica, Klarmedia and Mobexpert.

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