The photovoltaic sector is experiencing unprecedented growth worldwide. In 2024 alone, the EU generated almost half of its electricity from renewable sources , with solar energy surpassing coal for the first time. Meanwhile, the US reached new records in installed photovoltaic capacity, driven by large-scale government policies.
But one common trend connects both markets — the need for energy storage (BESS) to make rapidly growing solar power reliable and predictable.
Europe — Leading in Decarbonization, but with a Fragmented Approach
The European Union accelerated its transition through the Green Deal and REPowerEU plan, and the Battery Energy Storage Systems (BESS) market is growing double digits annually.
In 2024, Europe installed 21.9 GWh of new BESS , with total capacity reaching 61.1 GWh . Germany, Italy, and the UK dominate (over 70% of the total), while other countries are just beginning to develop national storage strategies.
The trend is clear: utility-scale BESS are catching up and overtaking residential solutions, and hybrid PV+BESS projects are becoming the preferred solution for large investors.
USA — Strong Push Through Government Incentives and Industrial Investments
In the US, the Inflation Reduction Act (IRA) provided historic incentives for renewables and batteries.
The results are visible:
In 2024, the US installed over 16 GW of new solar capacity , while utility-scale BESS exceeded 10 GW of new capacity in one year.
Battery gigafactories are being established to reduce dependence on Asian supplies.
Next-generation projects combine hundreds of megawatts of PV with batteries over 1 GWh , providing round-the-clock energy and profiting from grid services and market arbitrage.
The US demonstrates that mass deployment of PV+BESS is not just environmentally sound but economically justified with proper regulatory incentives.
Global Trends and Technological Innovations
N-type TOPCon and HJT cells — the new standard for high-efficiency panels.
Vanadium Redox Flow Batteries (VRFB) — gaining momentum in long-term projects due to longevity and safety.
Digitalization and flexible grids — intelligent energy management combining production forecasting and dynamic markets.
What This Means for Investors and EPC Companies
- Global standards become local necessities — European projects must compete with American ones in efficiency and stability.
- Integration from the start — panel + storage + management = lower LCOE (Levelized Cost of Electricity) and higher ROI.
- ESG and carbon footprint — European origin and sustainable materials become key for financing and corporate goals.
VESS — European Response with Global Thinking
VESS Modules manufactures N-type TOPCon solar panels in Europe, ensuring high efficiency and local reliability.
In parallel, VESS Energy Storage develops vanadium storage systems that provide long life and safety for large-scale installations.
Integrated design: the client receives panel and storage designed together.
Flexibility and scalability: solutions for both industrial facilities and large grid parks.
World-class competitiveness: European product designed to meet global trends.
The global race in the storage sector shows that the future of solar projects is hybrid, scalable, and sustainable . Europe and the US are following similar paths, but competition and innovation are setting high standards for efficiency and integration.
By choosing VESS , investors receive European reliability with global perspective — high-efficiency PV modules and modern BESS technologies ready to turn green transformation into long-term success.

