Thailand to Decide Who Pays for Street Lighting Costs

The NEPC is also reviewing renewable energy purchase agreements. The government continues buying renewable power at high prices even though the 10-year adder tariff has expired. The extra cost is passed to consumers. The official said the NEPC will examine why state agencies still pay inflated rates despite the tariff's expiry.

Industry sources note companies can still sell electricity at high prices because they benefit from a wholesale tariff of 3.78 baht per unit and the fuel tariff, both included in the final rate.

Separately, the Energy Ministry is considering a new electricity user category for data centres. These facilities, which run around the clock and consume large amounts of power, would be grouped under Category 9. They would face higher tariffs reflecting actual infrastructure and fuel costs, with the additional revenue used to subsidise electricity for households and smaller businesses, according to Akanat.

Changes to electricity bills may take time to implement, officials caution.