Increase in electricity and gas tariffs January 2026: the new definitions

The Energy Ministry published nine resolutions setting prices with adjustments for January for gas and new values ​​for the electricity market

12/29/2025 – 09:31 am

The national government has taken the first formal step to update the future tariff tables from January 2026. Through a series of decisions published this Monday, the technical parameters that will affect electricity and gas bills have been established, according to a logic aimed at accompanying the rhythm of inflation and complying with the new system of allocating state subsidies.

The Ministry of Energy has issued a total of nine regulations that will serve as a basis for the regulatory authorities to determine in the next few hours: the final percentages achieved by the houses. These measures respond to a direct instruction from the Ministry of Economy to maintain this Energy values ​​in real numberswhich avoids a lag in prices compared to the development of the consumer price index.

Regarding the Natural gas serviceResolution 605/2025 established a change in the entrance fee to the transport system (PIST). This technical adaptation leads to a base increase of 0.53% on next month’s billsto which the margins of the companies responsible for transport and home sales must be added.

From an economic perspective, they justified these decisions with the need to maintain a path of predictability. According to the recitals of the standard, this is the goal of the nation state Consolidating a constant update of the costs of the energy sectortaking advantage of the current context of slower wholesale and retail price growth.

With these modifications it is estimated that The final impact on electricity and gas bills will average between 2.5% and 3%.

Gas and Electric Modifications

On the other hand, Resolution 606/2025 introduced specific adjustments to the Gas-Ar plan. This technical mechanism establishes that those producers who officially join the program receive compensation Direct compensation by the national state based on the volumes of liquid supplied to supply the domestic market during the summer period.

In the electricity market, the changes were formalized by Resolution 602/2025 a new spot price of $14,381/MWh on the wholesale electricity market (MEM). This value, which has technically been in effect since the beginning of December, represents the main component in determining the cost of the energy that distributors then pass on to final consumers in Argentina.

Likewise those Reference prices for the MEM that will apply in the first quarter of 2026valid from January 1st to April 1st. Resolution 604/2025 details these seasonal costs, which are essential for the financial planning of electricity generation companies and the calculation of forecast demand for the months with the highest consumption.

Finally, The regulations confirmed the continuity of benefits for lower-income sectors. The official text stipulates that the bonuses for private users at levels 2 and 3 will be maintained to ensure that the impact of the new tariff system is progressive and based on ability to pay compared to level 1 users.