Taiwan’s ProPower Eyes Poland as European Battery Storage Market Accelerates

Taiwanese energy storage integrator ProPower is evaluating Poland as a potential gateway into the European market as the country rapidly expands battery energy storage capacity. Poland's transition away from coal, growing renewable generation and increasing need for grid flexibility are creating a substantial pipeline of BESS projects. Industry forecasts suggest utility-scale battery capacity could reach 8–9 GW by 2030. However, constrained grid connections and a shift away from capacity-market-backed revenues mean new entrants will need more than battery hardware to succeed.

Editorial Team9/8/2026Updated 9/8/2026

Taiwan's energy storage industry is beginning to push deeper into Europe, and Poland is emerging as one of the potential entry points.

ProPower, the energy storage subsidiary of Taiwan-based J&V Energy, recently hosted a delegation from the Katowice Special Economic Zone, or KSSE, at its Taipei headquarters. The two sides discussed renewable energy, industrial storage, energy infrastructure and potential cooperation with local engineering and energy companies.

The company is now evaluating Poland as a possible strategic base for expanding its European energy storage business.

The discussions come at a particularly important time for Poland's electricity sector.

Poland has historically relied heavily on coal generation, but renewable capacity has grown rapidly as the country responds to European decarbonization targets, energy-security concerns and changing power-market economics.

As more solar and wind generation enters the system, the need for flexible resources capable of balancing intermittent supply is increasing. Battery energy storage systems are therefore moving from a relatively small supporting role toward becoming a core component of Poland's future electricity infrastructure.

Poland Is Moving From BESS Planning to Deployment

The scale of Poland's storage pipeline is already substantial.

According to Modo Energy, at least 89 publicly identified utility-scale battery projects totaling approximately 12.5 GW were under development as of April 2026.

Four Polish capacity-market auctions held between 2022 and 2025 allocated roughly 5.1 GW of de-rated BESS capacity. When converted into physical battery capacity, those contracts represent approximately 11 GW of potential projects.

Another 172 energy storage projects received PLN 4.15 billion in financial support, with commissioning deadlines extending through 2028.

Modo Energy estimates that Poland's operational utility-scale battery fleet could grow from less than 40 MW today to approximately 8–9 GW by 2030.

That growth trajectory is turning Poland from a prospective storage market into a large-scale construction market.

Government policy is reinforcing that shift.

Poland's National Fund for Environmental Protection and Water Management has established a support program for battery storage projects of at least 2 MW and 4 MWh. Eligible investments include batteries, power conversion equipment, transformers, fire protection, cooling systems and associated infrastructure.

The stated objective is to strengthen grid stability and national energy security.

Poland is also supporting residential storage. A 2026 household energy-storage incentive program attracted more than 11,000 applications, while additional Recovery and Resilience Facility funding has been directed toward increasing solar self-consumption and reducing stress on distribution networks.

ProPower Is Targeting More Than Utility-Scale Batteries

For ProPower, the potential Polish opportunity extends beyond large grid-connected battery projects.

The company has identified industrial energy users, microgrids and AI data centers as potential storage applications in the country.

That direction reflects ProPower's broader strategy.

The company has begun developing storage solutions for AI data centers in Taiwan and Japan. High-density GPU infrastructure can create rapid and highly variable power demand, increasing both instantaneous load fluctuations and reliability requirements.

Battery systems can respond in milliseconds, helping smooth those demand swings, provide backup capacity and support localized microgrids.

ProPower has already been discussing pilot projects with data center developers and operators, indicating that the company is increasingly positioning itself not just as a battery supplier, but as an energy-management and system-integration provider.

That distinction could be important in Poland.

The Katowice region is one of Poland's major industrial centers, with significant automotive, manufacturing and supply-chain activity.

For industrial customers, battery storage can create value through peak-demand reduction, renewable-energy integration, backup power and participation in electricity markets.

A Polish expansion could therefore involve a combination of utility-scale BESS, commercial and industrial storage, microgrids and energy management systems rather than a single project category.

Overseas Experience Provides a Foundation

ProPower has already developed experience outside Taiwan.

More than 14 energy storage projects have been connected to the grid in Japan, while the company's Australian development pipeline totals approximately 128 MW and 292 MWh.

Applications there include government facilities, sports venues and shopping centers.

The company is also working with partners in the United States on commercial and industrial energy storage and energy-management projects.

If the Polish expansion proceeds, ProPower's international footprint would extend from Asia-Pacific into both Europe and North America.

However, Poland presents a different combination of opportunity and risk compared with markets such as Japan and Australia.

Grid Access Could Be the Biggest Constraint

The most immediate challenge is grid connection.

Modo Energy notes that data published by Polish transmission system operator PSE shows no available connection capacity at transmission substations for both 2026 and 2031.

Although 397 battery projects totaling about 82 GW have obtained grid-connection conditions, only 66 projects representing approximately 11.5 GW have signed connection agreements.

That gap illustrates one of the core risks in the Polish storage market: a very large development pipeline does not necessarily translate into projects that can actually reach commercial operation.

Developers with secured grid access, therefore, may hold a significant competitive advantage.

Battery Revenues Are Also Becoming More Market-Driven

The second challenge is the changing revenue model.

For several years, Poland's capacity market provided one of the strongest foundations for battery project economics in Europe.

That changed significantly following the 2025 capacity auction.

The de-rating factor applied to battery storage fell from 61.3% to 13.39%. In practical terms, a 100-MW battery now receives recognition for only about 13 MW within the capacity-market mechanism.

As a result, Poland's BESS investment case is increasingly shifting away from capacity-market-supported projects toward merchant revenue strategies.

Battery operators are expected to combine several income streams, including day-ahead arbitrage, intraday trading, automatic Frequency Restoration Reserve, or aFRR, and other balancing services.

The merchant opportunity remains meaningful.

Modo Energy estimates that a representative four-hour battery in Poland could have earned an annualized PLN 1.67 million per MW in July 2026.

That figure was 9% lower than in June but nearly 25% higher than a year earlier, reflecting continued value in balancing services and wholesale electricity price spreads.

Success Will Depend on More Than Battery Hardware

These market conditions could favor system integrators rather than pure equipment suppliers.

In a market where capacity-market revenues are becoming less dominant, battery owners need to optimize multiple revenue streams while managing state of charge, grid constraints and cycling limits.

That makes power conversion systems, energy management software, dispatch algorithms and market participation increasingly important.

Poland's Energy Regulatory Office has already identified storage as a growing component of the country's capacity market and expects the technology to become an important source of flexibility as the redesigned balancing market develops.

For ProPower, the potential opportunity is therefore broader than simply exporting Taiwanese battery equipment.

If the company can combine its utility-scale storage experience, energy management systems, commercial and industrial applications and overseas engineering capabilities, its competitive offering would more closely resemble an integrated energy-storage platform.

Poland has not yet been confirmed as a formal ProPower investment, and the company has not announced a specific project size or capital commitment.

Nevertheless, the timing of the evaluation is significant.

Poland is entering a phase in which several gigawatts of battery capacity could move from development into construction over the next several years.

For international storage companies seeking a foothold in Europe, the decisive capabilities may increasingly be securing grid access, building local engineering partnerships and operating batteries effectively across multiple electricity-market revenue streams — rather than simply supplying the lowest-cost battery system.

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