About Oversupply of energy storage inverters
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About Oversupply of energy storage inverters video introduction
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6 FAQs about [Oversupply of energy storage inverters]
Why is energy storage oversupply a problem?
The expansion is driven mainly by local governments and lacks coordination with new energy stations and the power grid. In some regions, a considerable storage oversupply could lead to conflicts in power-dispatch strategies across timescales and jurisdictions, increasing the risk of system instability and large-scale blackouts.
Is excessive energy storage a problem?
Spyros Foteinis highlights the acknowledged problem that an insufficient capacity to store energy can result in generated renewable energy being wasted (Nature 632, 29; 2024). But the risks for power-system security of the converse problem — excessive energy storage — have been mostly overlooked.
How does PV oversupply affect the grid?
Oversupply risk generally increases as more PV is integrated onto the grid (Denholm et al., 2016, Nelson et al., 2018). Each marginal unit of PV output pushes down the midday net load, making it more likely that PV output will exceed the grid’s ability to absorb that output during the solar peak.
Is excessive energy storage a threat to China's power system?
But the risks for power-system security of the converse problem — excessive energy storage — have been mostly overlooked. China plans to install up to 180 million kilowatts of pumped-storage hydropower capacity by 2030. This is around 3.5 times the current capacity, and equivalent to 8 power plants the size of China’s Three Gorges Dam.
Are the challenges of oversupply going away?
The challenges of oversupply aren’t going away. Renewable generation deployment and the associated shifts in grid management will continue to dominate the U.S. energy transition for decades to come, particularly as grid operators retire more than 200 GW of legacy generation capacity, primarily coal, within the next 10 years.
Should energy storage assets be deployed on the grid?
This creates a significant opportunity for operators deploying energy storage assets. While lithium-ion is currently the most prevalent battery storage technology on the grid, its characteristics restrict operators’ ability to earn revenue and address congestion.


