Use of renewable resources for energy production represents an active domain with an accelerated development at international level. At the same time, microgrids are emerging as a valuable technology for future energy supply systems. In this space, Societatea de Inginerie Sisteme (SIS S.A.) aims to increase the number of microgrid systems implemented at national level through the Smart MicroGrid Controller project, funded by the EEA and Norway Grants.
SIS is a system integrator operating in the field of industrial automation for oil and gas, renewable energy, water management systems and facility management systems. It is the exact type of business entity able to implement a microgrid solution specifically tailored for the needs of the market.
The Romanian Energy Regulatory Authority (ANRE) has adopted several changes to grid connection processes, including the implementation of an auction-based grid connection mechanism for plants above 5 MW from 2026 onwards.
Romania''s National Energy Regulatory Authority (ANRE) has approved a competitive, auction-based mechanism for grid connections of new plants of at least 5 MW. The new rule will come into force from January 1, 2026.
The approved methodology mirrors the process outlined in draft proposals published earlier this year. It will see auctions held on a yearly basis, offering 10-year allocation periods commencing from the second year after the auction.
Romania''s transmission system operator, Transelectrica, will determine and publish the available capacity for each zone of the grid by January 15 of each year. Then from July 1, Transelectrica will organize daily auction sessions, with starting prices calculated by dividing the total estimated value of the grid development works by the total available grid capacity.
George Niculsecu, ANRE president, has said the new methodology "promotes a mechanism that ensures a competitive environment that offers better predictability in the energy system."
ANRE has also made several immediate changes to Romania''s grid connection processes, including new rules for financial guarantee. Previously required before concluding a connection, the guarantee is now a prerequisite for issuing any new grid connection permit above 1 MW and amounts to 5% of the connection tariff.
The guarantee, which can take the form of a bank guarantee, term deposit, or direct payment, can be enforced by the grid operator if the connection agreement is not signed, payments due under it are not made, building permit is not obtained by the legal deadline, the project is not completed by the connection agreement deadline or the investor renounces the project.
The change applies to all ongoing applications for which grid connection permits have not been issued, not just future applicants. Lawyers from Bucharest-based law firm Nyerges & Partners say the changes make the financial guarantee "an efficient instrument that limits the artificial grid blockages caused by unfeasible projects or those lacking financing sources."
Other immediate changes approved by ANRE cover grid calculations at the project testing stage, mandating grid operators to submit monthly updates on grid status and offering 12-month building permit extensions, conditional of delays outside investors'' control and a financial guarantee of 5% of the connection tariff.
ANRE has also ordered that any ongoing grid connection application without an issued permit will be terminated on January 1, 2026, as the new auction comes into force. "Given that the timing for completing the grid connection process is largely outside investors'' control and significant delays are common, this principle poses high risks for initiating new investments," lawyers from Nyerges & Partners say. "This obligation is expected to incentivise grid operators to expedite the connection process."
The Romanian Photovoltaic Industry Association said it expects the nation to add at least 3 GW of renewables by 2026, with solar accounting for around 2 GW of the total. Statistics from the International Renewable Energy Agency show that Romania had 1,414 MW of solar installed by the end of 2022.
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TESLA 50Hz (T50Hz), part of the TESLA Group in Romania, has signed a cooperation agreement with Element Industrial (ELI), a leader in the development of industrial properties, to design and build solar installations on the roofs of all ELI buildings in Romania in the next 3 -5 years. The first phase of the project will cover 250,000 m2 of industrial parks with a total installation of 40 MW of industrial-scale photovoltaic (PV) panels using SolarEdge inverter technology (equivalent to 2 – 4MW per site).
With each PV installation providing independent on-site energy production for ELI’s industrial parks, the company will benefit from greater grid independence and better power quality, while significantly reducing the price electricity for the tenants of ELI parks – especially important considering the current energy crisis in Europe. Also, switching to solar power will significantly reduce the carbon footprint of ELI’s operations.
“This partnership reflects our strategy to develop a sustainable portfolio that will allow our tenants to cover at least 30% of their consumption from green energy,” says Andrei Jerca, general manager of Element Industrial.
“It is also an important commitment from us to green and sustainable logistics that will generate long-term value for both our investors and occupiers. Our strategy is built on focusing on our customers’ needs in what about business predictability, lower occupancy costs, supporting their growth strategy and developing true business communities within industrial parks. Our partnership with TESLA 50Hz is a natural one as both companies share the same business principles and approaches,” he adds.
T50Hz will be responsible for the design and installation process, while also managing the electricity supply of each PV plant. The installations will be supported by T50Hz’s sister company, TESLA Blue Planet. This collaboration brings together the engineering teams of the two companies to optimize building construction for easy installation of rooftop PV installations. Crucially, this reduces the cost and construction time of solar installations, while ensuring greater system safety and operational efficiency.
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As the photovoltaic (PV) industry continues to evolve, advancements in Industrial microgrids romania have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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