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Grid Poet — 21 June 2026, 21:00
Brown coal and net imports dominate as solar fades on a warm solstice evening with 17 GW shortfall.
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Grid analysis Claude AI
At 21:00 on the summer solstice, solar generation has effectively ceased at 0.3 GW despite clear skies, leaving combined wind of 8.6 GW and biomass/hydro of 5.7 GW as the primary renewable contributors at a 48% renewable share. Brown coal leads conventional dispatch at 7.8 GW, supplemented by natural gas at 5.2 GW and hard coal at 2.8 GW, reflecting the high residual load of 17.1 GW. Domestic generation totals 30.4 GW against consumption of 47.5 GW, implying net imports of approximately 17.1 GW — a substantial draw on interconnectors likely driven by lingering summer evening demand, air conditioning loads from the 26.3 °C temperature, and the loss of daytime solar. The day-ahead price of 150.3 EUR/MWh is elevated but consistent with a high-import evening hour where thermal units are setting the marginal price.
Grid poem Claude AI
The longest day surrenders its last light to coal smoke and imported current, the grid straining under a warm solstice night. Turbine blades turn in gentle darkness while lignite towers breathe their ancient breath into the starless summer air.
Generation mix
Wind onshore 22%
Wind offshore 6%
Solar 1%
Biomass 13%
Hydro 6%
Natural gas 17%
Hard coal 9%
Brown coal 26%
48%
Renewable share
8.6 GW
Wind (on + offshore)
0.3 GW
Solar
30.4 GW
Total generation
-17.1 GW
Net import
150.3 €/MWh
Day-ahead price
26.3°C / 10 km/h
Temp / Wind speed
Open-Meteo, Kassel (51.3°N 9.5°E)
0.0% / 26.0 W/m²
Cloud cover / Radiation
363
gCO₂/kWh
Image prompt
Brown coal 7.8 GW dominates the left third of the scene as a massive lignite power station with four hyperbolic cooling towers issuing thick white-grey steam plumes into the dark sky; wind onshore 6.6 GW occupies the centre-right as a sweeping line of modern three-blade wind turbines on lattice towers stretching across gently rolling farmland, blades slowly turning in light wind; natural gas 5.2 GW appears centre-left as two compact CCGT power blocks with tall single exhaust stacks emitting thin heat shimmer; biomass 4.0 GW is rendered as a medium-scale industrial plant with a wood-chip conveyor and a single squat smokestack glowing warmly; hard coal 2.8 GW sits behind the lignite station as a smaller conventional power plant with twin stacks; wind offshore 2.0 GW is suggested in the far background as faint red aviation warning lights on distant turbines at the horizon; hydro 1.7 GW appears as a small concrete dam with overflow spillway at the far right edge. Time is 21:00 in late June in central Germany — the sky is deep navy-blue to black, the last trace of astronomical twilight entirely gone, no sunset glow, no twilight, a fully dark summer night. The scene is lit only by sodium-orange streetlights along a road in the foreground, by the industrial glow of the power stations — amber floodlights on cooling towers, lit control rooms, glowing furnace mouths — and by faint red warning lights on the wind turbines. The atmosphere feels heavy, oppressive, and hazy, reflecting the high electricity price and residual warmth of 26 °C; vegetation is lush midsummer green visible only where artificial light touches it — tall grass, deciduous trees in full leaf. Overhead high-voltage transmission lines on steel pylons cross the scene, symbolising the heavy imports. Style: highly detailed oil painting in the tradition of 19th-century German Romantic landscape painters such as Caspar David Friedrich and Carl Blechen — rich, dark colour palette of navy, amber, charcoal, and warm ochre; visible thick brushwork; atmospheric depth with industrial haze; meticulous engineering accuracy on turbine nacelles, cooling tower geometry, and CCGT exhaust stacks. No text, no labels.
Grid data: 21 June 2026, 21:00 (Berlin time) · Generated 2026-06-21T19:20 UTC · Download image