Italian Industry Calls for Arera Inquiry After Power Price Spikes
Italy's gas-heavy power market faces renewed regulatory scrutiny after industry called for Arera action over price spikes, months after a EUR 5m fine for capacity withholding.
An Italian industry lobby called on energy regulator Arera on Friday (2026-09-11) to investigate possible irregularities in the country's wholesale power market following elevated price peaks. Traders told Montel they favored a "cool-headed" approach. The gap between those two positions reflects how the same price spikes can read very differently depending on where you sit in the market.5
Arera fined utility A2A EUR 5m in August (2026-08-10) after determining that the company had withheld capacity at its gas-fired power plants for economic reasons, depressing available supply and lifting wholesale clearing prices. The regulator found deliberate economic withholding, not coincidence or operational necessity. That precedent gives the industry lobby's current request some standing, even if traders argue that what followed was within normal market behavior.4,5
Italy's power market is structurally exposed to that kind of conduct. Gas-fired plants set the marginal clearing price in 89% of hours in Italy so far in 2026, according to Ember, a think-tank. Any generator with dispatchable gas capacity holds significant sway over hourly clearing outcomes, particularly during periods when wind and solar output is low. Spain, where gas sets the price in just 15% of hours over the same period, shows how differently a market can behave when renewables take a larger share.1
Italy's average power price reached €142/MWh in March 2026, against Spain's €59/MWh over the same month, a difference of more than 100% that Ember's data ties directly to differences in marginal generation mix. Grid costs and network charges already account for around 20% of Italian household electricity bills, according to the Economist's analysis, meaning sustained elevation in wholesale clearing prices translates quickly into industrial competitiveness losses, not just higher consumer bills.1
ICE Endex TTF front-month gas traded at €79.51/MWh Monday (2026-09-14), making Italian gas-fired generation expensive but still dispatchable in almost every pricing interval. With gas plants clearing nine in every ten Italian hours, the country has almost no buffer against fuel cost shocks. Generators with spare capacity can time their dispatch decisions to benefit from price peaks without necessarily triggering regulatory scrutiny, unless the evidence shows deliberate withholding, as it did in the A2A case.1,4
Traders urging restraint from Arera likely have a point about the risk of over-intervention. In a market where gas costs are genuinely high, some wholesale price elevation is a straightforward consequence of fuel costs, not evidence of manipulation. But that argument is harder to sustain after the regulator has already found one operator exploiting the dynamic through capacity withholding rather than cost-reflective bidding.5,4
Christoph Maurer of Consentec has observed that Europe's power system is shifting from variable fuel costs toward largely fixed costs as renewable investment scales — a transition that would structurally reduce Italy's exposure to gas price swings. The European Commission cleared a €23bn state aid scheme in June 2026 intended to add 37.15GW of new renewable capacity in Italy, roughly 48% of the country's current installed renewable base. Until a meaningful share of that capacity connects to the grid, gas-fired plants will continue to set the clearing price in most Italian hours.3,1
Prime Minister Meloni has backed efforts to reverse Italy's four-decades-old ban on nuclear power, but public skepticism runs deep and the legislative path is uncertain, Montel has reported. Even proponents of the policy do not expect near-term effects on wholesale prices.2
Arera's next move is the operative variable. A formal investigation along the lines of the A2A probe could apply immediate pressure to how Italian gas-fired operators schedule availability through the autumn demand period. If the regulator instead determines that current prices reflect market conditions rather than conduct, the industrial groups that filed Friday's (2026-09-11) request will face a prolonged structural disadvantage with no near-term remedy in sight.5,4