Energy costs expose Serbia’s economic vulnerabilities ahead of Expo 2027

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Serbia is likely to secure enough electricity, fuel and gas to avoid a physical supply crisis during the remainder of 2026. The more difficult question is the price at which that security will be maintained — and how much of the cost will ultimately be absorbed by Elektroprivreda Srbije, the state budget, industrial companies and households.

Energy has moved to the centre of Serbia’s economic outlook after an exceptionally hot and dry summer lowered river levels across the region, weakened hydroelectric production and disrupted fuel transportation along the Danube. These pressures have arrived alongside geopolitical instability, elevated oil prices and continuing uncertainty surrounding Naftna Industrija Srbije, the operator of the country’s strategically important Pančevo refinery.

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The immediate risk is not widespread electricity shortages. Serbia can procure power through regional markets and increase domestic thermal generation to compensate for weaker hydropower. The problem is that replacement electricity becomes considerably more expensive when drought simultaneously affects Serbia, Romania, Bulgaria, Hungary and other interconnected markets.

Energy security has consequently become a financial issue. Electricity imported during periods of regional scarcity can cost several times more than baseload power generated by Serbia’s largely depreciated lignite fleet. Such purchases weaken the cash position of EPS, increase pressure for regulated tariff adjustments and eventually feed into industrial production costs.

The principal challenges facing Serbia through the end of 2026 are closely connected: energy security, the preservation of domestic demand, the quality of public investment, shortages of qualified labour and the limited depth of the domestically owned corporate sector. Higher electricity and fuel prices reduce household purchasing power, raise operating expenditure for companies and make public infrastructure projects more expensive. Labour shortages increase construction costs, while weaker private investment leaves the state carrying a larger share of economic expansion.

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Serbia entered this period with meaningful macroeconomic buffers. Gross foreign-exchange reserves reached approximately €30.5bn at the end of July 2026, while net reserves stood near €26bn. Inflation was 2.7 per cent in June, within the National Bank of Serbia’s target range of 3 per cent, plus or minus 1.5 percentage points. The banking system remains liquid and well capitalised, while public debt is moderate compared with much of Europe.

These buffers provide protection against a short disruption. They do not remove the underlying exposure created by an ageing electricity system, rising domestic consumption and increasingly volatile regional energy markets.

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The International Monetary Fund expects Serbian GDP to expand by about 2.8 per cent in 2026, following growth of approximately 2 per cent in 2025. The National Bank of Serbia’s spring projection was slightly stronger, at around 3 per cent, followed by an acceleration towards 4–4.5 per cent in 2027, when construction and visitor spending associated with Expo 2027 should reach their peak.

That forecast represents a substantial retreat from earlier expectations that Serbia could quickly return to growth above 4 per cent. The weaker trajectory reflects external uncertainty, domestic political tensions, lower foreign investment and a less favourable energy environment.

Energy costs could pull growth below the current baseline through several channels. Electricity and fuel imports widen the trade deficit. Higher transport and production expenses reduce corporate margins. Tariff increases weaken household disposable income. Energy-intensive exporters face declining competitiveness at the same time as the European Union’s Carbon Border Adjustment Mechanism begins imposing direct carbon-related liabilities on selected products entering the EU market.

The pressure is particularly relevant for Serbia’s copper, steel, fertiliser, cement and other processing industries. Their competitiveness depends not only on nominal electricity prices but also on the carbon intensity and documentary quality of the electricity they consume. Power produced from lignite may remain physically available, yet become progressively more expensive within EU-facing value chains once embedded emissions are reflected in purchasing contracts, financing conditions and verification requirements.

Serbia therefore faces two separate electricity challenges. It needs sufficient generation to meet peak demand, and it needs cleaner, traceable electricity capable of supporting industrial exports. Resolving the first problem through additional coal production or emergency imports does little to address the second.

Solar and wind development can reduce marginal import requirements, but intermittent generation alone cannot provide the necessary system stability. Serbia requires a combination of new renewable capacity, flexible hydropower, battery storage, stronger transmission infrastructure, demand-response mechanisms and dependable balancing capacity.

The proposed Bistrica pumped-storage hydropower project, with capacity generally discussed at approximately 600–700MW, could become one of the electricity system’s most valuable balancing assets. Đerdap 3, considered in several configurations and potentially at a much larger scale, represents a longer-term strategic option. Both projects require extensive development, environmental assessment, financing preparation, grid studies and procurement work before construction can begin.

Their principal value would not come from producing low-cost electricity continuously. Pumped-storage plants move electricity from low-price to high-price hours, provide system reserves and reduce exposure to extreme wholesale prices. In a system with growing solar and wind penetration, that flexibility can be more valuable than nominal installed capacity.

Battery energy storage can be delivered more quickly, but Serbia would require a substantial portfolio rather than isolated demonstration projects. Depending on technology, connection requirements and storage duration, utility-scale batteries generally require approximately €350,000–€650,000 per MW for shorter-duration systems, with materially higher expenditure for four-hour configurations. A national portfolio of 500–1,000MW would therefore require several hundred million euros of investment.

Wind must be treated separately from solar in this planning. Serbian wind farms can achieve capacity factors of approximately 30–40 per cent at stronger sites and frequently produce during evening, winter and shoulder-season periods when photovoltaic output is limited. Their system value, curtailment pattern and balancing requirements differ materially from those of solar plants.

Grid availability has become the binding constraint. New high-voltage lines, substations, transformers and protection systems typically require three to five years even where route planning, land rights and financing are comparatively advanced. Serbia cannot close its electricity gap solely by approving additional generation projects.

Reinforcement of the existing 400kV, 220kV and 110kV transmission networks, together with medium-voltage distribution upgrades, is needed to reduce congestion and connect renewable plants, storage facilities and new industrial loads. Grid development must proceed ahead of generation investment rather than react to connection requests after projects have already been permitted.

The second major energy vulnerability is oil. The ownership and sanctions position of NIS affects refinery operations, crude procurement, banking relationships, insurance, fuel transportation and aviation-fuel availability. Keeping the Pančevo refinery operational is strategically important because domestic processing gives Serbia greater control over product supply than complete dependence on imported diesel, petrol and aviation fuel.

Possible changes in the company’s Russian ownership could reduce sanctions exposure. Serbia’s priority is not merely the identity of a future shareholder, but the preservation of refinery operations, access to crude oil, working-capital finance and sufficient state influence over strategic decisions.

Low Danube levels have demonstrated that ownership restructuring alone will not eliminate physical supply risk. In July, river transport capacity in parts of Serbia, Hungary and Romania was reportedly operating at only 30–40 per cent of normal levels, sharply reducing fuel-import volumes. Serbia has reserves and access through the JANAF pipeline, but the system remains dependent on a relatively small number of logistical routes.

The next challenge is the quality of domestic demand. Household consumption remains an important component of Serbian growth, supported by wage and pension increases and a relatively stable dinar. Maintaining consumption can prevent a sharper slowdown, but using public-sector wages and pensions as a permanent economic engine carries fiscal and inflation risks.

Serbia is committed under its IMF policy framework to keeping the general government deficit at or below approximately 3 per cent of GDP in 2026 and 2027. This leaves room for investment but limits the extent to which the budget can simultaneously subsidise electricity, reduce fuel excise duties, increase public-sector incomes and finance the Expo construction programme.

Temporary interventions can cushion an energy shock, but they cannot remove the underlying cost. Suppressing regulated electricity prices transfers the burden to EPS or the state. Reducing fuel excise revenue protects consumers but weakens the budget. Raising wages and pensions supports retail turnover but can sustain services inflation and increase imports.

Productivity growth, particularly among domestically owned companies capable of exporting higher-value products and services, offers a more durable source of household income and fiscal revenue.

Public investment is another pressure point. Roads, railways, energy infrastructure and the Expo 2027 programme are supporting construction, employment and equipment imports. They are also increasing Serbia’s dependence on the state as the principal investment coordinator.

The economic return will depend on asset selection, procurement quality, lifecycle expenditure and the ability of the new infrastructure to increase private-sector productivity after the Expo is over. Construction spending adds to GDP while work is under way, but its lasting value varies sharply.

A transmission line that removes a grid bottleneck can unlock renewable generation and industrial investment for decades. An oversized or poorly utilised facility can leave the budget with continuing operating and maintenance obligations. Capital allocation therefore matters more than the headline size of the investment programme.

Serbia must distinguish between projects that create export capacity, energy security or transport efficiency and those whose economic effect is largely temporary. This distinction will become more important as Expo-related expenditure peaks and the government searches for new sources of growth after 2027.

Financing conditions remain manageable, but the composition of external funding deserves closer attention. The current-account deficit was approximately 4.8 per cent of GDP in 2025 and has been projected at about 5.4 per cent in 2026, partly because of equipment imports and Expo-related expenditure. Such a deficit is sustainable when covered by stable foreign direct investment. It becomes more sensitive when FDI weakens and borrowing assumes a larger role.

Gross FDI inflows fell to around €3.5bn in 2025, approximately 33.5 per cent below the record level reached in 2024. In the first quarter of 2026, inflows were about €369mn, roughly half the level recorded a year earlier. The decline does not indicate an immediate financing crisis, particularly given Serbia’s foreign-exchange reserves, but it changes the quality of external financing and increases the importance of investor confidence.

Labour is becoming an equally serious structural constraint. Energy projects, industrial plants, transport infrastructure and commercial construction are competing for a limited pool of engineers, electricians, welders, machine operators, construction managers and qualified tradespeople. Demographic ageing and continued emigration mean this is no longer a temporary labour-market imbalance.

Importing workers can fill positions in construction, logistics and hospitality, but it does not automatically replace specialised technical competence. Serbia needs a coordinated system combining vocational education, employer-led training, incentives for returning professionals and more predictable arrangements for qualified foreign workers.

The shortage also changes project economics. Labour scarcity raises EPC prices, extends construction schedules and increases the risk that projects are completed physically but enter operation without adequate commissioning, maintenance and operational capacity. In energy and industrial projects, the gap between construction completion and reliable operation can carry substantial financial consequences.

Domestic small and medium-sized companies could help close this capacity gap, yet Serbia’s investment model continues to rely heavily on large foreign manufacturers and state-led infrastructure. Foreign investment has brought employment, exports and technology, but local supplier development has remained uneven.

Smaller companies face higher financing costs, limited collateral, delayed payments and difficulty competing for skilled workers. Tax incentives for start-ups can provide support, but the larger requirement is a financing and procurement structure that allows Serbian engineering, manufacturing and service companies to enter the supply chains of major industrial investors.

Banks can support this transition through working-capital facilities, factoring, equipment finance and longer-tenor loans tied to verified contracts. Public procurement can contribute by dividing suitable packages into sizes accessible to qualified domestic contractors while preserving technical, environmental and financial standards.

Serbia’s outlook through the end of 2026 is defined less by the risk of outright shortage than by the cost of maintaining stability. Foreign-exchange reserves, moderate public debt and a resilient banking system provide substantial protection, but they also make it possible to postpone difficult structural adjustments.

Emergency electricity imports, regulated tariffs and fuel reserves can carry the country through a difficult season. They cannot substitute for new generation, storage, transmission reinforcement, diversified fuel logistics and cleaner electricity for export-oriented industry. With economic growth slowing towards 2.8–3 per cent, FDI inflows weakening and the Expo investment cycle approaching its peak, the quality of capital deployment now matters more than the volume of spending alone.

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