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ACER Launches EU-Wide Electricity Tariff Repository to Boost Grid Cost Transparency

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The European Union Agency for the Cooperation of Energy Regulators launched a new online repository aimed at improving transparency and comparability of electricity network tariffs across the bloc, ACER said in a Wednesday statement.

The agency said that clear, comparable tariff information is increasingly important for understanding how network costs are distributed among consumers, how tariff structures vary across countries, and how tariff design can encourage more efficient use of electricity grids.

The new repository consolidates tariff information from EU member states into a single platform, complementing national transparency initiatives and providing Europe-wide access to electricity network tariff data.

ACER said the dashboard is intended to improve understanding of national approaches to tariff-setting and network cost recovery, while enabling easier comparison between countries.

It is expected to be used by national regulators, policymakers, transmission and distribution system operators, researchers, analysts, and consumer and industry groups.

ACER said the repository could help analysts to determine whether network charges in different member states are primarily fixed, capacity-based, or linked to electricity consumption, offering insight into the drivers of household and business energy costs.

The agency added that regulators reviewing national tariff methodologies could use the platform to compare how other EU countries allocate network charges among households and businesses.

According to sector estimates cited by ACER, investments in electricity networks could total as much as 2.6 trillion euros ($3.02 trillion) by 2050 to accommodate growing renewable energy generation and evolving electricity demand patterns.

"With the ramp-up of grid investments, network costs are becoming a major driver of overall electricity costs," ACER said.

The launch comes ahead of the European Commission's planned publication of a network charges initiative, due on Jun. 10 as part of a broader EU energy package focused on affordability and grid modernization.

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