Conexus Plans to Increase Natural Gas Transmission Tariffs from October
AS Conexus Baltic Grid plans to raise natural gas transmission system service tariffs from October 1, 2026, with a phased increase that will have minimal impact on end-user bills.
The natural gas transmission and storage operator AS Conexus Baltic Grid (Conexus) has submitted a new tariff project to the Public Utilities Commission (SPRK) for the next five-year period. The planned changes involve a gradual tariff increase, starting on October 1, 2026.
In the first phase, the resource-based fee could rise by approximately 7%. From October 1, 2027, the company plans to switch to a capacity-based pricing model, in line with the methodology for calculating transmission system service tariffs.
Conexus notes that the transmission service fee accounts for only 1–6% of the total natural gas bill, so the impact on end consumers will be small. For example, households using gas only for cooking will see a monthly increase of about one cent. Households with gas heating, consuming around 250 cubic meters in winter, could face an increase of about €0.75. For legal entities, the rise is estimated at around 0.4%.
The tariff project was submitted due to the end of the current regulatory period on September 30, 2026. In recent years, the company has operated with lower operating costs than included in the tariff, but savings could not fully offset rapid inflation and wage growth. Therefore, costs are being revised to ensure system safety and continuity.
Total transmission system costs for the next five years have increased by an average of 24%, with nearly 80% of that driven by an increase in the rate of return on capital. From October 1, 2026, this rate will rise from 2.72% to 5.82%. The current rate was set in 2022 when EURIBOR was negative.
The tariff project sets the biomethane injection fee at €0.395 per MWh per hour, a 1% increase. Tariffs for annual standard capacity and other long-term products will remain unchanged.
