Record electricity price Bucharest spot market 1000 EUR — NRG-IA

High-Value Transactions on the Bucharest Spot Market — What Happened OPCOM registered a record price of 5,321 RON per megawatt-hour for electricity traded for delivery on Monday evening. According to data analyzed by Economica.net and e-nergia, this value represents an absolute historic high for the Day-Ahead Market (DAM) administered in Bucharest. The psychological threshold of 1,000 EUR/MWh was directly breached during the quarter-hour interval between 19:00 and 19:15 (CET), equivalent to 1,015 EUR/MWh. The strain on the national grid was also reflected in the daily average prices. On Monday, the average DAM price in Bucharest settled at 1,537 RON/MWh (approximately 293 EUR/MWh), registering a massive increase compared to the previous day. On Sunday, June 30, the average price had been 224 EUR/MWh, a value that already placed Romania as the most expensive electricity market in Europe at that moment. Spot market transactions show that prices remain high throughout Monday, but the extreme escalation is strictly concentrated in the evening hours. This commercial behavior reflects a structural vulnerability of the grid during daily energy transition moments, when production sources shift rapidly. Sunset Production Deficit and the July Heatwave The primary technical cause of this price surge is the acute generation deficit that occurs at sunset. Amid the extreme heatwave affecting Romania, electricity consumption for cooling remains at high levels even after dark. At the same time, solar power plant production drops abruptly to zero, leaving a massive production gap in the national energy system. The Romanian system currently lacks sufficient large-scale battery storage capacities and fast-start balancing plants to instantly take over the load lost by solar farms. In the absence of these backup technologies, covering consumption during evening peak hours depends exclusively on imports or activating expensive gas or coal-fired capacities. The correlation between the high temperatures reported nationwide and the lack of solar generation after 19:00 forces buyers to bid aggressively on the spot market to secure their required volumes. This dynamic explains why the price increased more than threefold during the peak interval compared to the already high daily average. Pressure on Balancing Costs and the Risk of Invoice Contagion The consequences of these record spot market prices will be felt over the medium term across the entire economy. Although household consumers currently benefit from capped prices through government mechanisms, energy suppliers are forced to purchase deficit energy at these extreme prices from the DAM. This situation places tremendous financial pressure on suppliers' cash flows, as they must finance expensive purchases before receiving reimbursements from the state budget. For large industrial consumers who buy energy directly from the free market or have contracts indexed to DAM evolution, these price spikes translate into immediate operational costs. The increase in utility costs risks affecting the competitiveness of Romanian industrial production and could generate additional inflationary pressures on finished goods. Furthermore, settling these major market imbalances will increase the total bill of support schemes that the Romanian state must pay to sector companies, putting pressure on the national budget deficit in the second half of the year. Summer Risks: Weather Forecasts and Grid Import Capacity In the short term, the risk of new price records remains high, as meteorological forecasts indicate that heatwave temperatures will persist. The national energy system will continue to operate at its technical limits every evening, critically depending on import capacity through the interconnectors managed by Transelectrica. If unforeseen outages occur at conventional production units in Romania (such as the gas-fired units at Brazi or coal-fired units in Oltenia) or if cross-border import flows are restricted, spot market prices could reach new extreme values. Strategic decisions regarding the accelerated deployment of storage batteries thus become urgent to prevent these evening anomalies from turning into a permanent grid crisis.