Residential Summer Electricity Rates to Be Implemented on June 1, Average Monthly Bill to Increase to NT$1084
Taipower announced that summer electricity rates will apply to high-voltage and extra-high-voltage users from May 16, and to residential users from June 1. The average monthly electricity bill for households is expected to exceed NT$1000, reaching NT$1084, an increase of about 70% compared to non-summer months.
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- 📰 Published: May 10, 2026 at 21:15
- 🔍 Collected: May 10, 2026 at 21:31 (16 min after Published)
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Central News Agency
(Central News Agency reporter Su Ssu-yun, Taipei, 10th) Taipower's website announced that high-voltage and extra-high-voltage electricity consumers will be subject to summer electricity rates from May 16 to October 15, while residential and other users will be subject to summer electricity rates from June 1 to September 30. For household residential users, the average monthly summer electricity bill will exceed NT$1,000, reaching NT$1,084, an increase of nearly 70% compared to non-summer electricity bills.
Taipower pointed out that since the implementation of summer electricity rates in 1989, residential users have always started from June 1 each year, and revert to non-summer rates after October 1. Starting from 2023, the summer electricity rate period for high-voltage and above users has been adjusted to May 16 to October 15, allowing them to adjust production schedules and conserve electricity.
Taking the current electricity rates applicable to residential users as an example, the average monthly electricity consumption per household in Taiwan in 2025 is about 345 kWh. During non-summer periods, the average monthly consumption per household is 308 kWh, with an electricity bill of NT$638. During summer periods, due to rising temperatures, monthly consumption increases to 418 kWh, and the electricity bill increases to NT$1,084, which is nearly 40% higher in consumption compared to non-summer periods, also increasing the average monthly electricity bill by about NT$446, an increase of nearly 70%.
Taipower pointed out that among the increased NT$446, about 73% of the electricity bill (NT$326) comes from increased electricity consumption, and the actual increase due to the summer electricity rate adjustment is only about 27% (NT$120).
Taipower stated that general households can choose between non-time-of-use electricity rates (i.e., progressive rates, without distinguishing between peak and off-peak consumption) or time-of-use electricity rates (which distinguish between peak and off-peak consumption). Among them, progressive rates are charged in segments based on consumption, while the monthly bill for time-of-use rates is the sum of basic electricity charges and variable electricity charges. Since general households have lower electricity consumption and less off-peak consumption, most are charged based on progressive rates.
Taking the unit prices of the electricity tariff table implemented and applicable to residential users from October 1, 2025, as an example, progressive rates increase with consumption tiers, divided into 6 tiers without distinguishing between peak and off-peak periods. For an average monthly consumption of 418 kWh during the summer period in 2025, the first 120 kWh are charged at NT$1.78, the next 210 kWh (330 to 120 kWh) at NT$2.55, and the remaining 88 kWh (418 to 330 kWh) at NT$3.8. Therefore, the electricity price is only related to the amount of electricity consumed, not the time of consumption.
Taipower stated that for a long time, in line with the government's policy of caring for people's livelihoods and reducing carbon emissions, the first and second tiers of progressive electricity rates are set at lower prices. Therefore, for most families, choosing non-time-of-use electricity rates results in a lighter electricity bill burden. As for whether time-of-use electricity rates are more cost-effective, it involves multiple factors. If the electricity consumption is not large, or most of the electricity consumption is concentrated during peak hours, choosing time-of-use electricity rates may not necessarily reduce the electricity bill burden. (Editors: Lin Ke-lun, Yang Lan-hsuan) 1150510
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(Central News Agency reporter Su Ssu-yun, Taipei, 10th) Taipower's website announced that high-voltage and extra-high-voltage electricity consumers will be subject to summer electricity rates from May 16 to October 15, while residential and other users will be subject to summer electricity rates from June 1 to September 30. For household residential users, the average monthly summer electricity bill will exceed NT$1,000, reaching NT$1,084, an increase of nearly 70% compared to non-summer electricity bills.
Taipower pointed out that since the implementation of summer electricity rates in 1989, residential users have always started from June 1 each year, and revert to non-summer rates after October 1. Starting from 2023, the summer electricity rate period for high-voltage and above users has been adjusted to May 16 to October 15, allowing them to adjust production schedules and conserve electricity.
Taking the current electricity rates applicable to residential users as an example, the average monthly electricity consumption per household in Taiwan in 2025 is about 345 kWh. During non-summer periods, the average monthly consumption per household is 308 kWh, with an electricity bill of NT$638. During summer periods, due to rising temperatures, monthly consumption increases to 418 kWh, and the electricity bill increases to NT$1,084, which is nearly 40% higher in consumption compared to non-summer periods, also increasing the average monthly electricity bill by about NT$446, an increase of nearly 70%.
Taipower pointed out that among the increased NT$446, about 73% of the electricity bill (NT$326) comes from increased electricity consumption, and the actual increase due to the summer electricity rate adjustment is only about 27% (NT$120).
Taipower stated that general households can choose between non-time-of-use electricity rates (i.e., progressive rates, without distinguishing between peak and off-peak consumption) or time-of-use electricity rates (which distinguish between peak and off-peak consumption). Among them, progressive rates are charged in segments based on consumption, while the monthly bill for time-of-use rates is the sum of basic electricity charges and variable electricity charges. Since general households have lower electricity consumption and less off-peak consumption, most are charged based on progressive rates.
Taking the unit prices of the electricity tariff table implemented and applicable to residential users from October 1, 2025, as an example, progressive rates increase with consumption tiers, divided into 6 tiers without distinguishing between peak and off-peak periods. For an average monthly consumption of 418 kWh during the summer period in 2025, the first 120 kWh are charged at NT$1.78, the next 210 kWh (330 to 120 kWh) at NT$2.55, and the remaining 88 kWh (418 to 330 kWh) at NT$3.8. Therefore, the electricity price is only related to the amount of electricity consumed, not the time of consumption.
Taipower stated that for a long time, in line with the government's policy of caring for people's livelihoods and reducing carbon emissions, the first and second tiers of progressive electricity rates are set at lower prices. Therefore, for most families, choosing non-time-of-use electricity rates results in a lighter electricity bill burden. As for whether time-of-use electricity rates are more cost-effective, it involves multiple factors. If the electricity consumption is not large, or most of the electricity consumption is concentrated during peak hours, choosing time-of-use electricity rates may not necessarily reduce the electricity bill burden. (Editors: Lin Ke-lun, Yang Lan-hsuan) 1150510
Choose to stand with facts, every sponsorship you make is a force to protect press freedom.
Download the Central News Agency "First-hand News" APP to stay updated with the latest news.
The text, images, and audio/video on this website may not be reproduced, publicly broadcast, or publicly transmitted and used without authorization.