The Ministry of Industry and Trade has issued regulations that discourage the connection of rooftop solar power to the grid due to its high operating costs. Instead, they recommend developing self-consumed rooftop solar power without limits, which allows people to distribute excess output into the system without charge. However, the total capacity of this form of energy cannot exceed what is allocated in the Power Planning VIII implementation plan, which is 2,600 MW.
Some experts have criticized these regulations, stating that they are not attractive enough to encourage investment in rooftop solar power because people cannot sell excess power at a profitable rate. The Electricity Regulatory Authority advises caution when developing rooftop solar power, emphasizing that it should only be used for on-site consumption to avoid disrupting the system balance and incurring unnecessary costs.
Despite its benefits, rooftop solar power accounts for over 9% of total capacity in Vietnam. There are concerns about its impact on the system as suitable storage sources must be developed at an additional cost to both individuals and the electricity industry. The decentralized nature of rooftop solar sources makes it difficult to collect and control data when operating the system.
In conclusion, while rooftop solar power offers many benefits, it also poses risks and challenges to the stability and cost-effectiveness of the national electricity system. Further discussions and adjustments to regulations may be necessary to ensure sustainable development in this sector while maintaining system reliability and affordability.
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