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Why Microgrids Are the Key to Our Carbon-Neutral Future
As we continue to work toward a more sustainable future globally, demand for renewable energy integration is increasing. This requires more flexibility in grid infrastructure and the ability to add more types of distributed energy resources (DERs), including wind and solar. There is also a strong drive to move beyond a centralized grid to a more distributed one in order to reduce large-scale outages and deliver electricity to remote areas. Declining technology costs for key DER assets such as solar PV and advanced energy storage systems as well as business models linked to long-term financing offers are driving accelerated adoption of smaller, smarter, and cleaner energy systems.
16 April 2021
One of South Australia’s “other” big battery installations, the 30MW/8MWh ESCRI ElectraNet battery storage system at Dalrymple, has earned enough revenue in its first two years of operation to return the $12 million in grant funding provided by ARENA to the project.
In a report published this week as part of a “knowledge sharing” deal that came with the funding, ARENA said the ESRCI had earned $22.6 million in frequency control ancillary services revenue and $319,820 in discharging revenue between December 2018 and December 2020.
“FCAS revenue peaked in the six months from December 2019 to June 2020, earning $15.6 million in addition to $102,000 discharging revenue, from a $76,000 charging cost,” the ARENA report says, indicating it cashed in on the same “islanding” event that deliver a huge windfall to the better known Tesla big battery.