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Grid Poet — 21 April 2026, 16:00
Solar at 30 GW dominates under overcast skies; onshore wind adds 12.6 GW, keeping prices low at 14.5 EUR/MWh.
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Grid analysis Claude AI
At 16:00 CEST on 21 April, the German grid draws 62.4 GW against 56.8 GW of domestic generation, requiring approximately 5.6 GW of net imports. Solar contributes 30.0 GW despite 99% cloud cover, likely reflecting high diffuse irradiance supplemented by 207.8 W/m² of direct radiation breaking through thin or partial cloud layers at this late-afternoon hour. Wind onshore and offshore together deliver 13.6 GW, and the thermal fleet runs at modest levels—brown coal at 4.0 GW and gas at 2.5 GW providing baseload and flexibility. The day-ahead price of 14.5 EUR/MWh is notably low, consistent with the 86.5% renewable share and suppressed marginal costs; the residual load of 5.5 GW signals only a thin wedge of fossil and import dependency.
Grid poem Claude AI
Beneath a vast ceiling of pewter cloud, the silent fields of glass drink every scattered photon the sky will yield. The turbines hum their low refrain across the April plain, while coal fires smolder in quiet corners, awaiting the darkness that has not yet come.
Generation mix
Wind onshore 22%
Wind offshore 2%
Solar 53%
Biomass 7%
Hydro 2%
Natural gas 4%
Hard coal 2%
Brown coal 7%
86%
Renewable share
13.6 GW
Wind (on + offshore)
30.0 GW
Solar
56.8 GW
Total generation
-5.5 GW
Net import
14.5 €/MWh
Day-ahead price
12.3°C / 17 km/h
Temp / Wind speed
Open-Meteo, Kassel (51.3°N 9.5°E)
99.0% / 207.8 W/m²
Cloud cover / Radiation
95
gCO₂/kWh
Image prompt
Solar 30.0 GW dominates the scene: vast expanses of aluminium-framed crystalline silicon photovoltaic panels stretch across the entire centre and right foreground, covering rolling green April farmland, their surfaces reflecting a diffuse milky-white sky. Wind onshore 12.6 GW appears as dozens of tall three-blade turbines with white tubular towers arrayed along ridgelines in the middle distance, rotors turning steadily in moderate wind. Brown coal 4.0 GW occupies the far left as a cluster of massive hyperbolic cooling towers emitting thick white steam plumes, beside conveyor belts and lignite stockpiles. Natural gas 2.5 GW sits just right of the coal plant as a compact CCGT facility with twin exhaust stacks releasing thin heat shimmer. Biomass 4.1 GW appears as a mid-sized biomass plant with a tall cylindrical silo and a modest smokestack amid stacked timber, positioned in the left-centre. Hard coal 1.2 GW is a smaller conventional power station with a single square cooling tower and coal bunker, tucked behind the biomass plant. Hydro 1.4 GW is visible as a small concrete run-of-river dam on a stream cutting through the lower-left corner. Wind offshore 1.0 GW is suggested by a faint line of turbines on the far horizon. The sky is 99% overcast—a heavy, uniform blanket of pale grey stratus clouds covering the entire dome, but with full late-afternoon daylight at 16:00 in April filtering through evenly, casting soft shadowless illumination. The atmosphere feels calm and open, reflecting the low electricity price. Spring vegetation: fresh bright-green grass, budding deciduous trees with pale new leaves, scattered yellow wildflowers. Temperature around 12°C suggests cool crispness—no heat haze. Highly detailed oil painting in the tradition of 19th-century German Romantic landscape painters—Caspar David Friedrich's atmospheric depth crossed with meticulous industrial realism. Rich layered colour, visible confident brushwork, luminous overcast sky with subtle tonal gradations from cream-white at the horizon to dove-grey at the zenith. Each technology rendered with correct engineering detail: turbine nacelles, lattice tower bases, panel junction boxes, cooling tower parabolic curves, conveyor gantries. No text, no labels.
Grid data: 21 April 2026, 16:00 (Berlin time) · Generated 2026-04-21T14:20 UTC · Download image