1. Current State of the Energy Sector of the Republic of Moldova

1.1. General Characteristics of the Energy System

The energy sector of the Republic of Moldova remains one of the most structurally vulnerable sectors of the national economy. The country possesses limited domestic energy resources and continues to rely heavily on external suppliers of natural gas, petroleum products and electricity. As a result, energy security remains directly linked to the stability of regional energy markets, cross-border infrastructure and geopolitical developments in Eastern Europe.

Natural gas represents the dominant component of Moldova’s primary energy consumption. According to international energy statistics, natural gas accounts for approximately 45% of the country’s total energy supply, making it the most important energy source for electricity generation, district heating and industrial consumption.

Since 2022, the Moldovan energy sector has undergone a rapid transformation driven by the regional energy crisis, disruptions in traditional supply chains and the need to diversify energy imports. The government and state-owned energy companies have increasingly shifted procurement toward European markets, reducing dependence on a single supplier and strengthening integration with the European energy system.

From a structural perspective, Moldova’s energy system is characterized by three key features:

• High dependence on imported energy resources;
• Limited domestic generation capacity;
• Growing integration with the Romanian and European energy markets.

These characteristics largely determine both the risks and development priorities of the national energy sector.

1.2. Electricity Sector

The electricity sector represents one of the most sensitive components of Moldova’s energy system. Domestic generation capacity remains insufficient to fully satisfy national demand, forcing the country to rely on imports during significant periods of consumption.

Historically, a substantial share of electricity consumed on the right bank of the Dniester River was supplied by the Cuciurgan Power Plant (MGRES), located in the Transnistrian region. However, following the interruption of Russian gas transit through Ukraine and the subsequent reduction of electricity deliveries from MGRES, Moldova significantly increased electricity imports from Romania and the European market.

As of 2026, electricity consumption on the right bank is covered through a combination of:

• Domestic thermal generation;
• Renewable energy production;
• Electricity imports from Romania through ENTSO-E interconnections.

This transition has fundamentally altered the structure of Moldova’s electricity market. Romania has become the principal external supplier of electricity, while the Moldovan authorities have accelerated efforts to expand transmission interconnections and strengthen synchronization with the European electricity system.

A strategic advantage for Moldova is the continued development of cross-border infrastructure projects, particularly the Vulcănești-Chișinău transmission line and future interconnections with Romania through the Bălți-Suceava and Strășeni-Gutinaș corridors. These projects are expected to increase import capacity, improve system stability and reduce dependence on a limited number of supply routes.

From a practical policy perspective, the modernization of transmission infrastructure remains one of the most effective measures for improving electricity security in the medium term.

1.3. Natural Gas Sector

The natural gas sector continues to play a central role in Moldova’s energy system. Gas is widely used for residential heating, electricity generation, industrial production and district heating networks.

For decades, Moldova depended almost entirely on Russian gas supplies. However, the energy crisis that emerged after 2021 accelerated efforts to diversify supply sources and reduce strategic vulnerability. Since 2023, Moldova has increasingly relied on gas procurement through European trading platforms and alternative regional suppliers.

One of the most important developments has been the operational use of the Iași-Ungheni-Chișinău gas interconnector, which established a direct physical connection with the Romanian and European gas markets. This infrastructure significantly improved supply flexibility and reduced the risks associated with supply disruptions from traditional routes.

In 2026, Moldova continued to strengthen diversification efforts by securing future gas supply agreements linked to Romania’s Black Sea production projects. Such contracts are expected to improve long-term supply security and reduce exposure to political and transit-related risks.

Despite these improvements, several structural challenges remain:

• limited domestic gas storage capacity;
• continued exposure to external price fluctuations;
• dependence on imported gas for electricity and heat generation;
• insufficient strategic reserves compared to larger European states.

Consequently, increasing storage access, diversifying suppliers and expanding regional interconnections remain critical priorities for national energy policy.

1.4. Renewable Energy Development

Renewable energy has become one of the fastest-growing segments of Moldova’s energy sector. The expansion of renewable generation is driven by both energy security considerations and long-term decarbonization objectives.

The most dynamic growth has been observed in solar and wind power projects. Government support mechanisms, market liberalization and international financing have contributed to a substantial increase in installed renewable capacity in recent years. According to sector assessments, renewable generation capacity increased significantly during 2024-2026, reflecting a broader shift toward domestic energy production.

The strategic importance of renewable energy for Moldova extends beyond environmental considerations. Increased renewable generation contributes directly to:

• Reducing electricity imports;
• Improving energy independence;
• Diversifying the generation mix;
• Enhancing resilience during external supply disruptions.

However, the growing share of variable renewable generation also creates new technical challenges. The national power system requires additional balancing capacity, modernized transmission infrastructure and improved integration with neighboring electricity markets to ensure system reliability.

Therefore, future renewable energy development should be accompanied by investments in grid modernization, energy storage technologies and regional market integration mechanisms.

The current state of the Moldovan energy sector reflects a transition from a highly centralized and import-dependent model toward a more diversified and interconnected system. Significant progress has been achieved in electricity and gas diversification, renewable energy deployment and integration with European energy markets. Nevertheless, Moldova continues to face structural vulnerabilities related to limited domestic generation capacity, infrastructure constraints and external market dependence.

As a result, the key challenge for the next stage of sector development is not only securing alternative energy sources but also strengthening the resilience, flexibility and long-term sustainability of the national energy system.

2. Key Challenges and Structural Vulnerabilities of the Energy Sector

2.1. Dependence on External Energy Sources

Despite significant progress in diversification since 2022, Moldova remains one of the most energy import-dependent countries in Europe. Domestic production covers only a limited share of national energy demand, while natural gas, petroleum products and a substantial portion of electricity continue to originate from external markets.

This dependence creates three interconnected risks.

First, the country remains exposed to supply disruptions caused by geopolitical tensions, regional conflicts or infrastructure failures. Although diversification has reduced reliance on a single supplier, Moldova remains vulnerable to disturbances affecting regional energy corridors.

Second, external dependence increases exposure to price volatility. International gas and electricity prices directly affect domestic tariffs, industrial competitiveness and household energy expenditures. The energy crisis of 2021-2023 demonstrated how rapidly external market shocks can translate into economic and social pressures.

Third, import dependence limits national flexibility during emergencies. Countries with substantial domestic generation capacity can partially compensate for supply interruptions, whereas Moldova possesses limited strategic reserves and generation assets capable of providing such resilience.

From a strategic perspective, reducing external dependence should remain a long-term objective of national energy policy. Complete energy independence is unrealistic; however, diversification of supply routes, expansion of domestic generation and development of renewable energy can significantly reduce vulnerability.

2.2. Insufficient Domestic Generation Capacity

A fundamental structural weakness of Moldova’s energy sector is the limited capacity to generate electricity domestically.

The national power system has historically relied on a combination of imports and electricity supplied by the Cuciurgan Power Plant (MGRES) located in the Transnistrian region. Although alternative procurement mechanisms have been developed, domestic generation remains insufficient to guarantee full self-sufficiency under adverse conditions.

This situation creates several operational challenges.

The first challenge concerns system reliability. During periods of high demand, extreme weather conditions or regional supply disruptions, Moldova remains dependent on the availability of imported electricity.

The second challenge involves market bargaining power. Countries with limited generation capacity possess weaker negotiating positions when purchasing electricity on regional markets, particularly during periods of elevated demand.

The third challenge relates to long-term economic development. Expansion of industrial activity, electrification of transport and digital infrastructure will increase electricity consumption. Without corresponding growth in domestic generation, import dependence may deepen rather than decline.

Addressing this vulnerability requires a combination of renewable energy expansion, investment in flexible generation technologies and continued development of cross-border interconnections capable of supporting system stability.

2.3. Infrastructure Constraints and Grid Modernization Requirements

The modernization of energy infrastructure remains one of the most important challenges facing Moldova’s energy sector. 

A significant portion of transmission and distribution infrastructure was developed under different economic and technological conditions and requires substantial upgrading to meet current reliability and efficiency requirements.

Several issues are particularly relevant.

First, aging infrastructure increases technical losses and maintenance costs. While network performance has improved over time, modernization remains necessary to reduce inefficiencies and improve operational reliability.

Second, the rapid growth of renewable energy generation is creating new technical requirements for the electricity system. Solar and wind power are variable sources whose output fluctuates depending on weather conditions. As their share increases, the power system requires greater flexibility, advanced balancing mechanisms and improved grid management capabilities.

Third, limited interconnection capacity continues to constrain full integration with European electricity markets. Although major infrastructure projects are underway, the completion of additional transmission links remains essential for enhancing security of supply.

From a practical perspective, infrastructure modernization produces benefits beyond energy security. It reduces technical losses, improves investment attractiveness and facilitates the integration of renewable energy projects.

2.4. Energy Affordability and Social Vulnerability

Energy affordability remains a significant policy challenge despite improvements in supply diversification.

The Moldovan economy is characterized by relatively modest household incomes compared to the European Union average. Consequently, fluctuations in electricity and gas prices have a direct impact on household welfare and consumer purchasing power.

Periods of elevated energy prices increase the risk of energy poverty, defined as the inability of households to secure adequate energy services at an affordable cost. High energy expenditures can reduce spending on other essential goods and services, creating broader socioeconomic consequences.

This challenge is particularly important because energy security is not solely a question of supply availability. A resilient energy system must also ensure that energy remains economically accessible to consumers and businesses.

Therefore, future energy policy should combine supply security measures with targeted support mechanisms, energy-efficiency programs and investments aimed at reducing long-term consumption costs.

2.5. Integration of Renewable Energy and System Flexibility Challenges

Renewable energy represents one of the most promising directions for strengthening Moldova’s energy security. However, the rapid expansion of renewable generation introduces new operational challenges that must be addressed.

Unlike conventional thermal generation, solar and wind power depend on weather conditions and cannot guarantee constant output. As renewable capacity expands, maintaining system stability becomes increasingly complex.

Three issues are particularly significant.

The first is balancing capacity. The electricity system requires resources capable of rapidly compensating for fluctuations in renewable generation.

The second is energy storage. Moldova currently possesses limited storage capabilities that could help smooth short-term variability and improve system flexibility.

The third is market integration. Efficient integration of renewable energy requires close coordination with neighboring electricity markets, enabling cross-border balancing and reserve sharing.

Failure to address these issues could limit the effectiveness of future renewable energy investments. Consequently, renewable energy deployment should be accompanied by investments in storage technologies, digital grid management and regional market integration.

The principal vulnerabilities of Moldova’s energy sector are not limited to supply security alone. They include structural dependence on imports, insufficient domestic generation capacity, infrastructure constraints, affordability concerns and emerging challenges associated with renewable energy integration.

These vulnerabilities are interconnected. High import dependence increases exposure to price volatility; infrastructure limitations constrain diversification efforts; and insufficient system flexibility complicates the expansion of renewable energy.

Consequently, the long-term resilience of Moldova’s energy sector will depend not on a single policy measure but on a comprehensive strategy combining diversification, infrastructure modernization, domestic generation expansion, market integration and energy-efficiency improvements.

3. Development Prospects and Policy Measures

3.1. Expansion of Renewable Energy Capacity

The expansion of renewable energy represents the most realistic pathway for increasing Moldova’s domestic electricity production and reducing dependence on imported energy resources.

Moldova possesses favorable conditions for the development of solar and wind energy. In recent years, renewable generation has demonstrated the highest growth rate among all segments of the national energy sector. Continued investment in these technologies can strengthen energy security while simultaneously reducing exposure to external market volatility.

From a strategic perspective, renewable energy development contributes to three key objectives:

• Increasing domestic generation capacity;
• Reducing electricity import requirements;
• Diversifying the national energy mix.

However, the effectiveness of renewable deployment depends on its integration into a broader energy strategy. Future development should prioritize utility-scale solar and wind projects located near existing transmission infrastructure in order to minimize grid connection costs and reduce network congestion.

A practical policy measure would be the introduction of long-term competitive auctions for renewable energy projects. Such mechanisms can improve investment predictability, reduce financing costs and ensure more efficient allocation of resources.

3.2. Strengthening Cross-Border Energy Integration

Given Moldova’s geographic size and limited domestic resource base, complete energy self-sufficiency is neither realistic nor economically optimal. Consequently, regional integration should remain a central pillar of national energy policy.

The continued development of electricity and gas interconnections with Romania and the wider European market offers significant advantages. Expanded interconnection capacity increases supply flexibility, improves market competition and enhances resilience during disruptions affecting individual suppliers or transmission routes.

Particular importance should be attached to the completion and operational optimization of strategic transmission projects connecting Moldova with Romania. These projects reduce systemic dependence on a limited number of supply channels and facilitate participation in regional electricity markets.

From a practical perspective, deeper market integration allows Moldova to access a broader range of suppliers and pricing mechanisms, thereby reducing vulnerability to localized supply shocks.

3.3. Modernization of Energy Infrastructure

Infrastructure modernization is a prerequisite for achieving long-term energy security.

The expansion of renewable generation, increasing electricity demand and growing cross-border exchanges require a more flexible and technologically advanced energy system. Existing transmission and distribution networks must be upgraded to support these changes efficiently.

Priority areas include:

• Modernization of transmission infrastructure;
• Reduction of technical losses;
• Deployment of digital grid management technologies;
• Expansion of network capacity in regions with renewable energy potential.

The implementation of smart-grid technologies can improve real-time system management, increase operational efficiency and facilitate the integration of decentralized energy resources.

Infrastructure investments should therefore be viewed not as isolated engineering projects but as a core component of Moldova’s energy transition strategy.

3.4. Improving Energy Efficiency

Among all available policy instruments, energy efficiency offers one of the highest returns relative to investment costs.

Reducing energy consumption lowers import requirements, decreases household expenditures and strengthens overall system resilience. Unlike new generation projects, energy-efficiency measures can often be implemented relatively quickly and generate immediate economic benefits.

The greatest potential exists in three sectors:

• Residential buildings;
• Public infrastructure;
• Industrial facilities.

Many residential and public buildings continue to exhibit high levels of energy loss due to inadequate insulation, outdated heating systems and inefficient equipment.

A national program focused on building renovation, thermal insulation and efficient heating technologies could significantly reduce energy demand while improving affordability for consumers.

From a policy perspective, every unit of energy saved contributes to energy security in the same manner as additional energy production.

3.5. Development of Energy Storage and System Flexibility

As the share of renewable energy increases, system flexibility will become increasingly important.

Solar and wind generation are inherently variable, creating periods of surplus and deficit production. Without sufficient balancing mechanisms, higher renewable penetration may create operational challenges for grid stability.

To address this issue, Moldova should prioritize the development of energy storage solutions and flexible balancing resources.

Potential measures include:

• Deployment of battery energy storage systems;
• Development of demand-response mechanisms;
• Expansion of regional balancing market participation;
• Implementation of advanced forecasting systems for renewable generation.

Although energy storage remains relatively capital-intensive, technological costs have declined substantially over the past decade, making deployment increasingly feasible.

The development of flexibility mechanisms would enhance the reliability of renewable generation and improve the overall resilience of the electricity system.

3.6. Strengthening Strategic Energy Governance

Technical investments alone are insufficient to guarantee energy security. Institutional capacity and regulatory effectiveness play an equally important role.

The energy sector requires stable regulatory frameworks capable of attracting long-term investment while maintaining market transparency and competition.

Several governance priorities can be identified:

• Strengthening strategic energy planning;
• Improving market oversight mechanisms;
• Enhancing risk assessment capabilities;
• Expanding emergency preparedness and crisis-response procedures.

Regular stress testing of the energy system under different disruption scenarios should become a standard component of energy policy planning. Such exercises can identify vulnerabilities before they evolve into operational crises.

From an analytical perspective, governance reforms often provide higher long-term returns than isolated infrastructure projects because they improve decision-making across the entire sector.

Based on the vulnerabilities identified in the previous chapter, policy priorities can be ranked according to their expected impact on energy security:

1. Expansion of domestic renewable generation.
2. Completion of strategic electricity interconnections with Romania.
3. Modernization of transmission and distribution infrastructure.
4. Large-scale implementation of energy-efficiency measures.
5. Development of storage and balancing capabilities.
6. Strengthening institutional and regulatory capacity.

The implementation of these measures in parallel would create a more diversified, resilient and economically sustainable energy system.

The future development of Moldova’s energy sector should focus on reducing structural vulnerabilities rather than pursuing unrealistic energy independence objectives. A resilient energy system is one that combines diversified supply sources, adequate domestic generation, modern infrastructure, efficient energy consumption and strong institutional governance.

The most effective strategy for Moldova is therefore the gradual transformation of its energy sector into an integrated, flexible and market-oriented system capable of withstanding external shocks while supporting long-term economic development.

Conclusion

The energy sector of the Republic of Moldova has undergone significant transformation in recent years. The diversification of natural gas and electricity supplies, the expansion of renewable energy generation and the strengthening of integration with European energy markets have reduced several long-standing vulnerabilities and improved the country’s overall energy resilience.

Despite this progress, the sector continues to face important structural challenges. High dependence on imported energy resources, limited domestic generation capacity, infrastructure constraints and exposure to external price volatility remain key risks affecting long-term energy security. At the same time, the growing share of renewable energy requires additional investments in grid modernization, system flexibility and energy storage solutions.

The analysis demonstrates that Moldova’s energy security should not be understood solely as the ability to secure energy supplies. It also depends on the diversification of supply sources, the reliability of infrastructure, the affordability of energy for consumers and the effectiveness of sector governance.

Looking ahead, the most effective development strategy is the gradual transition toward a more diversified, interconnected and flexible energy system. The expansion of renewable energy, modernization of electricity networks, improvement of energy efficiency and deeper integration with European energy markets should constitute the core priorities of national energy policy.

Ultimately, Moldova is unlikely to achieve complete energy self-sufficiency due to its limited resource base. However, through consistent implementation of these measures, the country can substantially reduce its structural vulnerabilities, strengthen its energy security and create a more sustainable foundation for long-term economic development.