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Solar curtailment

Solar expanded faster than any energy source in history. This rapid growth has created a new market dynamic: On sunny days, Europe now generates more solar energy than it can immediately use or store.

The numbers

  • 7.3 TWh solar curtailed in 2025
  • Capture rates down to 17% in Spain
  • Curtailment spreading beyond Germany to new markets
Section 1

The trend: growing volumes and a geographical spread

Section 2

Kpler forecasts: capture price, rate and curtailment

Section 3

Power mix and policy landscape

Section 4

Section 5

Section 6

Inside the whitepaper

  • Why curtailment matters: 7.3 TWh curtailed, expanding beyond Germany and Spain
  • Value squeeze: Capture rates hit 17% in Spain, challenging profitability
  • Two curtailment types: Economic (negative prices) vs technical (grid protection)
  • New strategy: Shift from maximising output to maximising value through storage and flexible deman
  • Kpler intelligence: Proprietary forecasts for capture prices and curtailment

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