All 11 called hours in the capacity market's history fall between 16:00 and 22:00, and the two 2026 calls are the first driven by heat

Capacity market obligation calls declared by PSE since the market went live in 2021
Low-wind, outage-driven Heat-driven
14:0016:0018:0020:0022:0024:00 23 Sep 2022 19:00–21:00 Forced outages and evening wind near 150 MW 6 GW over-delivered; PLN 333k in penalties 6 Nov 2024 16:00–19:00 Dunkelflaute; demand peaked 22.1 GW, above forecast 8.5 GW over-delivered; PLN 1.9m in penalties 30 Jun 2026 18:00–22:00 First heat-driven call; wind troughed at 187 MW Settlement follows the delivery year 4 Aug 2026 17:00–19:00 Heat, weak wind, 4.9 GW of coal and lignite out Settlement follows the delivery year
Source: PSE, Modo Energy
Note: windows in Warsaw time; over-delivery and penalties from PSE settlement notices.
MODOENERGY