ACER EU Energy Markets
Material regulatory developments from Agency for the Cooperation of Energy Regulators are tracked daily by Cresthaven Analytics. Over the last 90 days, 11 material briefs relevant to professionals operating in the energy, power & commodities sector have been published below. Each brief is sourced directly from the primary regulatory feed, summarized for institutional readers, and scored for materiality.
Recent material activity
A selection of recent published briefs; this is not a complete archive.
ACER approves TSO amendments to implementation frameworks for PICASSO and MARI electricity balancing platforms
ACER approved two proposals from all European electricity transmission system operators on September 22, 2026, amending the implementation frameworks for PICASSO and MARI. The decisions alter the operational parameters g…
Read the full ACER EU Energy Markets brief →ACER finds Irish gas transmission tariffs largely compliant but flags Corrib Linkline service as requiring regulatory clarification
ACER published its assessment on September 16, 2026 of the Irish gas transmission reference price methodology against EU harmonised tariff structure requirements. The report finds broad compliance. However, it identifies…
Read the full ACER EU Energy Markets brief →ACER issues favourable Opinion endorsing prolonged exemption from physical bi-directional gas flow at the Austria-Slovenia Murfeld/Ceršak interconnection point
ACER published an Opinion on September 14, 2026 supporting the Austrian and Slovenian national regulatory authorities' decisions to prolong the existing exemption from establishing physical bi-directional capacity at the…
Read the full ACER EU Energy Markets brief →ACER issues Opinion on Portugal's National Resource Adequacy Assessment finding projected adequacy gap may be overstated
ACER published its Opinion on Portugal's National Resource Adequacy Assessment on September 7, 2026, finding that the country's projected electricity adequacy gap may be overstated. Demand from data centres is growing fa…
Read the full ACER EU Energy Markets brief →ACER publishes 45th REMIT Quarterly covering Q2 2026 developments including algorithmic trading in energy markets
ACER's 45th REMIT Quarterly covers second-quarter 2026 developments under the EU energy market integrity and transparency regulation, with algorithmic trading as the focal supervisory theme.
Read the full ACER EU Energy Markets brief →All EU nominated electricity market operators jointly propose amendments to day-ahead and intraday market coupling algorithms
On 21 July 2026, all nominated electricity market operators submitted a joint proposal to ACER to amend the methodology governing price coupling, continuous trading matching, and intraday auction algorithms. ACER has a s…
Read the full ACER EU Energy Markets brief →ACER amends cost-sharing methodology for electricity redispatching and countertrading in the Core capacity calculation region
ACER has adopted a Decision amending the electricity redispatching and countertrading cost-sharing methodology for the Core capacity calculation region. This Decision concludes the review process initiated in October 202…
Read the full ACER EU Energy Markets brief →Continental European NRAs refer minimum FCR activation period dispute to ACER for binding decision
National regulatory authorities across Continental Europe have jointly referred to ACER a request for a binding decision on the minimum activation period that frequency containment reserve providers must maintain during …
Read the full ACER EU Energy Markets brief →ACER amends day-ahead and long-term capacity calculation methodologies for the Core electricity capacity calculation region
ACER has adopted two decisions amending the day-ahead and long-term capacity calculation methodologies for the Core capacity calculation region. The decisions update the technical framework governing cross-border electri…
Read the full ACER EU Energy Markets brief →ACER issues Opinion on ENTSO-E and ENTSOG draft TYNDP 2026 Scenarios Report calling for alignment with EU energy and climate targets
The Agency for the Cooperation of Energy Regulators has published an Opinion on the draft Ten-Year Network Development Plan 2026 Scenarios Report, prepared by the European transmission system operator bodies for electric…
Read the full ACER EU Energy Markets brief →ACER releases inaugural Russian gas phase-out tracking report under the REPowerEU Gas Regulation
ACER published its first mandatory report on the phase-out of Russian gas imports into the EU on July 1, 2026, under the REPowerEU Gas Regulation. The report tracks remaining Russian gas contracts held by EU market parti…
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