Grid Poet — 12 September 2026, 14:00
Solar at 36.6 GW under overcast skies drives 88% renewable share and a mildly negative clearing price.
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Grid analysis Claude AI
Solar dominates generation at 36.6 GW despite full cloud cover, reflecting the strong diffuse-light performance of a large installed PV fleet on a September midday. Combined with 9.3 GW of wind (5.6 onshore, 3.7 offshore), renewables reach 88.4% of total generation. The system is long by 8.4 GW, resulting in net exports and pushing the day-ahead price to −0.2 EUR/MWh — effectively zero, consistent with mild oversupply but not extreme enough to trigger significant curtailment. Brown coal continues baseloading at 4.3 GW alongside 1.3 GW of gas and 1.1 GW of hard coal, reflecting contractual and technical minimum-run constraints rather than economic dispatch.
Grid poem Claude AI
Beneath a lidded sky the silent panels drink what light the clouds allow, flooding the grid with more than it can hold. The price sinks below zero like a whispered apology from an overgenerous sun.
Generation mix
Wind onshore 10%
Wind offshore 6%
Solar 64%
Biomass 6%
Hydro 2%
Natural gas 2%
Hard coal 2%
Brown coal 7%
88%
Renewable share
9.3 GW
Wind (on + offshore)
36.6 GW
Solar
57.4 GW
Total generation
+8.4 GW
Net export
-0.2 EUR/MWh
Day-ahead price
20.0°C / 10 km/h
Temp / Wind speed
Open-Meteo, Kassel (51.3°N 9.5°E) · surface estimate from 100 m wind
100.0% / 91.0 W/m²
Cloud cover / Radiation
86
gCO₂/kWh
Image prompt
Solar 36.6 GW dominates the scene: vast fields of aluminium-framed crystalline silicon PV panels stretching across the entire right two-thirds of the canvas, their blue-grey surfaces reflecting a uniformly overcast white-grey sky at early-afternoon brightness. Wind onshore 5.6 GW appears as a cluster of modern three-blade turbines with white tubular towers on gentle green hills in the mid-ground right, blades turning slowly in light wind. Wind offshore 3.7 GW is visible in the far background as a row of turbines standing in a pale grey North Sea horizon. Brown coal 4.3 GW occupies the left foreground as two large hyperbolic concrete cooling towers with lazy white steam plumes drifting into the overcast ceiling, flanked by conveyor belts carrying dark lignite. Biomass 3.7 GW sits behind the coal plant as a mid-sized facility with cylindrical digesters and a short exhaust stack emitting faint vapour. Natural gas 1.3 GW is a compact CCGT unit with a single tall exhaust stack and minimal visible emissions, positioned left of centre. Hard coal 1.1 GW appears as a smaller conventional power station with a single square cooling tower and coal stockpile. Hydro 1.2 GW is suggested by a small dam and spillway in the far left valley. The sky is completely overcast at 100% cloud cover but bright with diffused September daylight — no direct sun visible, yet the landscape is well-lit in flat, even illumination. Temperature is a mild 20°C; vegetation is late-summer green beginning to show the earliest hints of autumn yellowing at the edges. The atmosphere is calm and open, reflecting the near-zero electricity price — no oppressive haze, just gentle muted tones. Style: highly detailed oil painting in the tradition of 19th-century German Romantic landscape painters — rich colour palette of muted greens, steel blues, and warm greys, visible confident brushwork, atmospheric aerial perspective with depth, meticulous engineering detail on every turbine nacelle, panel frame, and cooling tower. The scene feels like a grand panoramic masterwork capturing Germany's energy transition landscape. No text, no labels.
Grid data: 12 September 2026, 14:00 (Berlin time) · Generated 2026-09-12T12:20 UTC · Download image