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Grid Poet — 13 April 2026, 15:00
Solar leads at 18.5 GW under full overcast; coal and gas fill the gap as wind underperforms and imports cover 4.7 GW.
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Grid analysis Claude AI
At 15:00 on a fully overcast April afternoon, German renewables deliver 35.6 GW (62.4% of generation), with solar contributing 18.5 GW despite complete cloud cover and negligible direct radiation — consistent with high diffuse irradiance from a bright overcast sky and a large installed PV base. Onshore and offshore wind add 11.6 GW combined, modest given the low 3.1 km/h surface wind speed at hub-height-representative stations. Thermal generation remains substantial: brown coal at 6.7 GW, hard coal at 6.0 GW, and natural gas at 8.8 GW, reflecting the need to cover a 4.7 GW net import requirement (61.8 GW consumption versus 57.1 GW domestic generation) and maintain system reserves. The day-ahead price of 104.6 EUR/MWh is elevated but unremarkable for a weekday afternoon with significant fossil dispatch and tight supply-demand balance.
Grid poem Claude AI
Beneath a pewter sky the turbines barely turn, while coal towers exhale their ancient, patient breath into the grey. Somewhere beyond the clouds, the sun still labors — its diffused light caught by a million silent panels stretching across the plain.
Generation mix
Wind onshore 17%
Wind offshore 3%
Solar 32%
Biomass 7%
Hydro 3%
Natural gas 15%
Hard coal 10%
Brown coal 12%
62%
Renewable share
11.6 GW
Wind (on + offshore)
18.5 GW
Solar
57.1 GW
Total generation
-4.7 GW
Net import
104.6 €/MWh
Day-ahead price
10.8°C / 3 km/h
Temp / Wind speed
Open-Meteo, Kassel (51.3°N 9.5°E)
100.0% / 1.5 W/m²
Cloud cover / Radiation
250
gCO₂/kWh
Image prompt
Solar 18.5 GW dominates the right half of the scene as vast fields of aluminium-framed crystalline silicon PV panels stretching across flat farmland, their surfaces reflecting a uniform white-grey sky; brown coal 6.7 GW occupies the far left as a cluster of massive hyperbolic cooling towers with thick steam plumes merging into the overcast; hard coal 6.0 GW sits just right of the lignite plant as a smaller coal-fired station with twin chimneys and thin grey smoke; natural gas 8.8 GW fills the centre-left as two modern combined-cycle gas turbine blocks with tall slender exhaust stacks and visible heat shimmer; wind onshore 9.6 GW appears as a line of large three-blade turbines on gentle hills in the mid-ground, their rotors barely turning in the still air; wind offshore 2.0 GW is suggested by a few distant turbines on the far horizon; biomass 4.0 GW is a modest wood-chip plant with a low green-roofed building and a single modest stack near the gas units; hydro 1.5 GW is a small run-of-river weir visible in a river crossing the foreground. Time is 15:00 in mid-April: full daylight but entirely diffuse, no shadows, a flat bright overcast at 100% cloud cover creating an oppressive, heavy atmosphere consistent with a high electricity price. Temperature around 11°C: early spring vegetation, bare branches beginning to bud, pale green grass, damp earth. Wind is nearly calm — no motion in trees or flags. The mood is weighty, industrial, the sky pressing down like a lid. Highly detailed oil painting in the tradition of 19th-century German Romantic landscape painters — rich, muted colour palette of greys, slate blues, dull greens, and ochre; visible confident brushwork; atmospheric depth with industrial haze; meticulous engineering detail on every turbine nacelle, lattice tower, cooling tower, PV module frame, and CCGT exhaust stack. No text, no labels.
Grid data: 13 April 2026, 15:00 (Berlin time) · Generated 2026-04-13T13:20 UTC · Download image