HEPCO Encourages Renewable Energy-based Power Producers to Prepare for Output Control

2019/07/29 11:49
Sousuke Kudou, technical writer
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Hokkaido Electric Power Co Inc (HEPCO) announced that it will give notification to power producers operating thermal, biomass, solar and wind power plants to encourage them to prepare for future output control due to the increase in the amount of renewable energy introduced.

As for specific requests, HEPCO will individually contact power producers by, for example, sending documents.

Since the introduction of feed-in tariff (FIT) policy in 2012, the total capacity of renewable energy-based power generation facilities in the Hokkaido area has been continually increasing.

The total capacity of solar and wind power plants that have been connected to a power grid is expected to reach 1,980,000kW at the end of March 2019 and account for about 60% of the average power demand in the Hokkaido area. Moreover, 2,030,000kW of projects are currently being processed.

Based on "Preferred Power Supply Rules," HEPCO is keeping the supply-demand balance in the Hokkaido area by (1) decreasing the output of thermal power plants, (2) operating pumped storage power plants, (3) utilizing a wide-area power grid using interregional power transmission lines, etc.

However, if the capacity of renewable energy-based power generation facilities will continue to increase and the supply will exceed the demand despite those measures in the future, it will be necessary to control the output of renewable energy-based power generation facilities, according to the company.

"At this point, we do not need to immediately implement output control," HEPCO said.