What’s happening
Greece’s transmission planning update indicates higher costs and slower timelines for key power interconnection projects, with expected effects on future system charges. According to public consultation material cited in reporting, usage charges could more than double by 2029 compared with 2025 levels. Several large projects, including the Dodecanese and Northeastern Aegean interconnections and a second line to Italy, are now scheduled later and at higher budgets than previously outlined. At the same time, officials say benefits from existing links, including Crete’s smaller interconnection, have not translated into lower consumer charges so far. The report also notes priority has been given to covering a deficit in a special account, limiting near-term relief for end users.
GetGreece’s Take
This is a classic infrastructure timing problem: benefits are long-dated, but financing pressure is immediate. Single-source analysis. First, when project slippage and budget inflation coincide, consumers absorb risk through charges before they fully see reliability and efficiency gains. Second, delayed interconnections create a compounding effect. They not only postpone expected savings from network optimization, they also extend exposure to higher-cost generation patterns in less-connected zones. Third, policy sequencing matters. If deficit coverage is prioritized over tariff smoothing, households and businesses can face prolonged cost pressure even when technical improvements are already partially delivered. Fourth, investor confidence in the broader energy transition depends on execution credibility. Repeated timetable extensions and rising budgets can increase perceived regulatory and delivery risk, which can feed into financing costs for future projects. Fifth, communication quality is now critical. Without clear timelines on when charge pathways could stabilize, public trust weakens and policy resistance grows. The strategic challenge is not whether interconnections are needed, but whether the governance model can deliver them on predictable schedules with transparent cost control. If implementation discipline improves, the system can still capture long-term competitiveness benefits. If not, price pressure may remain structurally elevated beyond current projections.
What to watch next
- Whether ADMIE and regulators publish revised milestone accountability for delayed projects
- Whether system charge trajectories are updated with clearer consumer-impact timelines
- Whether additional funding mechanisms reduce pressure on end-user tariffs
- Whether interconnection delays trigger further budget revisions in the next planning cycle
Source
Source: Ekathimerini. Original report: https://www.ekathimerini.com/economy/energy/1296030/electricity-hikes-on-the-way/

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