New research shows that renewables plus batteries could offer Australia’s electricity grid the same energy security as coal and gas generators, prompting calls for regulatory changes.
The three Mediterranean countries of Greece, Cyprus and Israel signed this week an agreement to develop a subsea cable that links their electricity grids. Upon completion, the so-called EuroAsia Interconnector will be the world’s longest subsea power cable and could boost solar PV development in all three countries substantially.
The first pilot tests have been conducted for the EU-funded project ‘renewable penetration levered by efficient low-voltage distribution grids (RESOLvD). pv magazine has looked into the demonstrator and the related energy sharing algorithm.
In a U.S. study of the added renewables capacity made possible by grid-enhancing technologies, Brattle Group found that both solar and wind power would benefit in Kansas and Oklahoma through 2025.
Dutch transmission system operator Tennet, which also serves Germany, is planning to create flexible electricity demand and reduce grid congestion by promoting the use of smarter heating systems and heat pumps that can also be powered by solar and wind energy. According to its experts, intelligent control of heat pumps may result in the creation of between 0.5 and 1 GW of temporary grid flexibility by 2030.
Looking back over years of research into the topic of hybrid systems based on different combinations of solar, wind, hydro and other renewables, an international group of scientists found strong potential for strategies to exploit complementarity between the different sources integrate more intermittent renewables onto regional and national grids. The scientists present a series of conclusions and recommendations that aim to push research in hybrid renewables forward.
Intra-state transmission infrastructure is the weakest link in the Indian grid. However, the introduction of competition from private players could help to drive down construction costs and promote timely completion of projects.
Work will proceed on a new electricity transmission line linking the Australian states of Victoria and New South Wales, under a joint funding agreement between the Victoria state government and the federal coalition.
Researchers in New Zealand have developed a new methodology for solar park planning that considers clear-sky radiation for voltage stability analysis. It is based on two different generation profiles for separate purposes.
The Netherlands’ renewable energy sector has reached an agreement with the country’s grid operators and power providers for a faster grid connection of solar parks. PV plant operators will be able to connect their projects at 70% of their capacity and, in turn, they will be allowed to connect them without having to wait for more grid availability.
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