Solar power growing rapidly in Poland

March 20, 2026
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Solar power in Poland has grown extremely fast over the past few years and is now one of the country’s most important renewable energy sources. Here’s a clear, up-to-date overview:

Solar power in Poland (2025–2026)

Current capacity and growth

  • Total installed solar capacity: ~24–25 GW (end of 2025)
  • Annual additions:
    • 2024: ~4 GW
    • 2025: ~3.6 GW
  • Solar is now the largest share of renewable capacity (~60%+)

In just a few years, Poland went from a minor solar market to one of Europe’s fastest-growing.

Role in the energy mix

  • Solar provides roughly:
    • ~10% of total electricity generation
    • ~38% of renewable electricity
  • Still, Poland remains heavily reliant on coal, but solar is a key part of the transition.

Why solar is booming

Several factors explain the rapid growth:

1. Government incentives

  • Programs like “Mój Prąd” subsidize rooftop systems (up to ~30% of cost)
  • Tax deductions and regional grants further reduce costs

2. Falling costs

  • Solar panels and installation costs have dropped significantly over the past decade

3. Energy security

  • After the energy crisis in Europe, solar became attractive for:
    • households
    • businesses
    • industry

4. Strong auction system

  • Renewable auctions regularly allocate large capacity to solar projects

Types of solar installations

Poland’s solar market has shifted:

  • Early phase: dominated by small rooftop systems (households)
  • Now: growth driven by
    • large solar farms
    • commercial & industrial (C&I) installations

Challenges

Despite the boom, there are some issues:

  • Grid congestion → too much solar at peak times
  • Curtailment (wasted energy during summer oversupply)
  • Need for:
    • energy storage
    • grid upgrades
    • hybrid systems (solar + wind or batteries)

Future outlook

  • Expected capacity by 2035: ~59 GW
  • Likely milestones:
    • ~30 GW by 2026
    • ~40 GW by 2030
  • Solar could become the dominant renewable source (~65%)

Conclusion:

  • Poland is one of Europe’s fastest-growing solar markets
  • Solar is central to reducing coal dependence
  • The next phase depends on:
    • grid modernization
    • storage solutions
    • stable policy support