Energy & Infrastructure

Serbia's 2 GW battery storage pipeline tests local project financing models

Serbia's 2 GW battery storage pipeline tests local project financing modelsFoto: Unsplash

Serbia's 2 GW battery storage pipeline has no proven domestic financing model yet, so the terms of its first standalone projects will set the benchmark for future deals.

  • Serbia had about 2 GW of battery storage connection agreements reported in 2026, but no standalone project has established a local financing template.
  • EMS requires transmission-connected sponsors to provide a construction bank guarantee within 60 days of the connection study, which acts as an early financial filter.
  • Merchant risk limits domestic bank lending, while contracted offtake, optimiser floors or balancing agreements could raise leverage.
  • International lenders, risk guarantees, blended finance and vendor or sponsor equity could help local banks share early-market risk.
  • Romania's EBRD-backed Scornicesti project offers a regional non-recourse precedent, and the first Serbian deal will shape bank assumptions for future projects.

Serbia had around 2 GW of battery energy storage connection agreements reported in 2026, but its first standalone projects still have to establish a local financing template. The terms agreed on these early deals are expected to influence leverage, security packages, revenue haircuts and the level of sponsor support, in a sector that has no widely replicated domestic model.

Bank guarantee as an early filter

Procedures set by EMS, Serbia's transmission system operator, require sponsors of projects connected to the transmission grid to provide a bank guarantee for construction. The guarantee is due within 60 days after the connection study is delivered, and it must be in place before the connection-contract process can move forward.

This means sponsors need sufficient balance-sheet capacity before their projects earn any operating revenue. In practice, the requirement works as an early financial filter for developers.

Merchant risk and revenue arrangements

Domestic commercial banks can finance construction if they are comfortable with merchant risk, meaning exposure to market prices rather than fixed contracted income. The type of revenue arrangement behind a project could change how much debt a bank is willing to provide.

A contracted industrial offtaker, an optimiser floor or a balancing-services agreement could materially increase bank leverage compared with a pure arbitrage project, which earns money only from price differences over time. These arrangements could therefore shape the financing terms available to Serbia's first standalone batteries.

Role of international lenders and vendors

Participation by international financial institutions, risk guarantees or blended financing structures could allow local banks to take part with lower exposure to early-market uncertainty. Equipment-vendor finance and sponsor equity could also help bridge the first projects, particularly where batteries are co-located with solar or wind generation.

Regional precedent

Romania offers a regional example of non-recourse financing, where lenders rely on project cash flows rather than on the sponsor's wider balance sheet. The European Bank for Reconstruction and Development (EBRD) provided such financing for the 127 MW / 254 MWh Scornicesti project.

What the first deal may set

The first Serbian standalone battery financing is expected to establish the assumptions that banks use for spread compression, degradation, reserve accounts and terminal value. Once a financing structure closes and performs, the cost of capital for the next wave of standalone projects should become easier to price.

Until then, the willingness of domestic banks to finance construction will depend on how comfortable they are with merchant risk.

Frequently asked questions

Why is a bank guarantee important for battery storage projects in Serbia?

EMS requires sponsors of transmission-connected projects to provide a construction bank guarantee within 60 days after the connection study is delivered. Sponsors must have this in place before the connection-contract process can move forward.

What makes it difficult for domestic banks to finance standalone batteries?

Domestic banks are cautious about merchant risk, meaning exposure to market prices rather than fixed contracted income. This limits how much debt they are willing to provide for pure arbitrage projects.

How could revenue arrangements affect financing terms?

A contracted industrial offtaker, an optimiser floor or a balancing-services agreement could materially increase bank leverage compared with a project that earns money only from price differences over time.

What role could international lenders play in Serbia's battery projects?

International financial institutions, risk guarantees and blended financing could let local banks participate with less exposure to early-market uncertainty. Vendor finance and sponsor equity could also help bridge the first projects.