February 9, 2026
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Romania Nears 3.35 GW in capacity prosumers as residential solar catches up with business installations

Romania had nearly 290,000 prosumers by the end of November, with a combined installed capacity of 3.35 GW, according to the national energy regulator. While prosumer projects have been the main driver of the country’s solar expansion for years, utility-scale developments moved to the forefront in 2025. At the same time, the prosumer segment is showing a notable shift: residential capacity has effectively converged with installations owned by legal entities, including small companies and institutions.

In its latest update, the Romanian Energy Regulatory Authority (ANRE) reported 287,985 prosumers at the end of November, together accounting for 3.35 GW of electricity production capacity. That represents a sharp year-on-year increase of 47.8% in the number of prosumers and 43.4% in installed capacity. The comparison with previous years highlights the scale of the boom: Romania counted just 303 prosumers at the end of 2019, and the country crossed the 3 GW prosumer threshold in August last year.

Households nearly match legal entities in installed capacity

ANRE’s data also point to a narrowing gap between households and non-household prosumers. The number of residential prosumers reached 257,748, compared with 30,237 legal entities. Installed capacity was almost evenly split between the two categories: households held 1.67 GW, while legal entities accounted for 1.68 GW.

Energy storage deployment also continued to accelerate. ANRE said 58,012 prosumers had integrated batteries alongside their rooftop solar systems. Households represented 55,962 of those installations, meaning more than one in five residential prosumers had storage.

Industry estimate: solar capacity exceeded 7 GW in 2025

Separately, the Romanian Photovoltaic Industry Association (RPIA) estimated that Romania’s total installed solar capacity surpassed 7 GW in 2025. The association assessed net additions at 2.2 GW over the year, up from 1.7 GW in the preceding 12-month period.

RPIA attributed the strongest momentum to utility-scale projects, estimating they contributed 1.2 GW of new capacity—almost double the level recorded in 2024—largely supported by renewable energy auctions conducted under contracts for difference (CfDs). Prosumers added an estimated 1 GW. RPIA further said residential systems reached 1.8 GW by the end of last year, broadly in line with commercial and industrial (C&I) installations.

Looking ahead, RPIA projects new solar capacity in 2026 at 2.5 GW. If delivered, that pace would bring Romania to its 10 GW target for 2030 well ahead of schedule.

In wider regional developments, Turkey is preparing to allocate 3.5 GW of capacity for self-consumption in 2026. Energy and Natural Resources Minister Alparslan Bayraktar said recently that priority would be given to local authorities, public institutions, and strategic, export-oriented sectors.

November 8, 2025
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Romania to roll out flexibility market where you get paid to consume less power

Companies and, eventually, households will be able to participate in the Romanian flexibility services market, getting compensated for cutting their electricity use at a time scheduled one day earlier. The aim is to prevent power outages during peak loads in the transmission grid.

The National Energy Regulatory Authority (ANRE) of Romania published a draft regulation that would allow payments to electricity consumers – companies or, in the future, even households – for temporarily reducing their consumption. The mechanism is called the consumption flexibility service. Its purpose is to balance the grid and prevent power outages during peak consumption.

Romania’s transmission system operator Transelectrica would be able to purchase consumption reduction services from market participants: large companies, suppliers and aggregators. They would commit to temporarily limiting energy use.

Demand response also replaces expensive emergency power imports.

Day-ahead market for demand response

Transelectrica will schedule the service through auctions organized a day earlier. Market participants would be able to bid with available consumption capacity reductions and prices.

The proposed regulation requires providers or aggregators to transfer at least half of the revenues to their end customers who contributed to the consumption cut.

Renewable electricity production – especially solar – has increased significantly over the previous years. During the day, Romania sometimes produces more energy than it consumes, but in the evening, when people return home and consumption increases sharply, production no longer covers demand.

The trend is known as the duck curve, per the shape of the daily chart of demand and solar power production. It leads to imbalances and bolsters the risk of grid overload. Through flexibility services, Transelectrica will be able to shave the peaks.

Households to eventually join through their aggregators

In the first stage, the mechanism will involve large consumers such as factories, retail chains, logistics operators and office buildings. They would be able to bid with a minimum of 500 kW. Households could join at some point through so-called flexibility aggregators.

It is also important that demand response decreases balancing costs, which spill over to electricity bills.

The draft regulation is undergoing a public consultation process until December 3. According to the schedule, the flexibility market will be established in the spring.

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August 21, 2025
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Prosumers in Romania are neck and neck with commercial PV plants in capacity

The latest data showed that prosumers in Romania don’t have a much larger total capacity anymore than commercial solar power plants, a segment accelerating in expansion. The share of units for self-consumption that include energy storage reached 5.8% in the first half of the year, compared to 1.2% six months earlier.

Total number of prosumers in Romania increased by 8,950 in June, to 237,252, Profit.ro reported. The installed capacity, consisting overwhelmingly of photovoltaic panels, rose by 95 MW, to 2.82 GW, the media outlet added, citing data from the National Energy Regulatory Authority (ANRE).

Total installed capacity of large, commercial solar parks is 2.77 GW, according to the article. Both segments are expanding strongly, but the latter has lately accelerated, with new utility-scale PV facilities coming online week after week. Of note, wind power and battery energy storage systems (BESS) are catching up.

On that note, 5.8% of prosumers also had batteries integrated with their self-consumption units on June 30. It compares to 1.2% at the end of last year.

Prosumers have led the energy transition for the past two years. Their overall capacity surpassed 2 GW just a year ago, translating to 37% growth in ten months.

Output in the segment amounted to 434 GWh in the first half of the year, where net domestic consumption declined 1% and net energy production surged 10%. Namely, as the duration of the daily solar radiation interval rose, prosumers in Romania drew less power from the grid and consumed more of what they generated themselves.

At the end of the first half of 2025, 210,714 households were prosumers, versus 26,538 legal entities. They had 1.34 GW and 1.48 GW installed, respectively.

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July 10, 2025
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Romania ends double taxation of energy storage

The National Energy Regulatory Authority of Romania has approved a regulation eliminating double taxation of energy storage, to allow for faster deployment of solutions for storing electricity.

The National Energy Regulatory Authority (ANRE) announced that it has approved an order on methodological norms exempting electricity that is stored and reintroduced into the grid from the payment of regulated tariffs.

The main goal is to eliminate double taxation of stored energy, as it was a significant obstacle to the development of storage technologies, essential for balancing the energy system and integrating production from renewable sources, ANRE said.

The regulation introduces three changes. It abolishes the extraction tariff – one of the two components of the transmission tariff – as well as the distribution tariff and system services tariff.

The decision introduces three novelties

The second novelty is the exemption from paying green certificates, and the last one is a unified procedure, applicable to both concessionaire and non-concessionaire operators.

The exemption applies strictly to energy stored and reintroduced into the grid, while for the storage facility’s consumption, including technological losses, grid tariffs remain applicable, ANRE stressed.

“We cannot build a balanced and resilient energy system with rules that penalize innovation. Through this regulation, we send a clear signal to investors: Romania supports energy storage, not just as a technological option, but as a pillar of the energy transition,” said George Niculescu, ANRE President.

The regulation is aligned with ACER recommendations

According to ANRE, the regulation is aligned with European best practices and ACER recommendations, which encourage differentiated tariff treatments and incentives for network flexibility.

The ANRE decision follows the amendments introduced by Government Emergency Ordinance (GEO) 134/2024 in November 2024.

A few days ago, Romanian engineering and technology company Simtel said the current total battery energy storage capacity in Romania is 398.8 MWh.

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