Grid Poet — 13 September 2026, 12:00
Solar leads at 19.7 GW under full overcast, with wind and lignite supporting a near-balanced grid at zero price.
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Grid analysis Claude AI
At midday on 13 September, German generation reaches 47.6 GW against consumption of 48.9 GW, resulting in a net import of approximately 1.3 GW. Solar contributes 19.7 GW — a strong showing for a fully overcast day with only 12 W/m² direct radiation, indicating that diffuse irradiance under the cloud deck is still substantial. Wind onshore and offshore together supply 11.3 GW, while lignite at 6.9 GW and hard coal at 3.4 GW provide baseload thermal support, keeping the renewable share at 75.3%. The day-ahead price of 0.0 EUR/MWh reflects the near-equilibrium between supply and demand combined with comfortable renewable volumes across the broader European market, leaving little marginal value for additional thermal dispatch.
Grid poem Claude AI
Beneath a lidless grey sky the turbines turn their patient arms, while coal fires smolder in the distance like the last embers of an older world. The sun, veiled yet relentless, pours its silent power through the clouds and asks no price at all.
Generation mix
Wind onshore 20%
Wind offshore 4%
Solar 41%
Biomass 8%
Hydro 2%
Natural gas 3%
Hard coal 7%
Brown coal 15%
75%
Renewable share
11.3 GW
Wind (on + offshore)
19.7 GW
Solar
47.6 GW
Total generation
1.3 GW
Net import
—
Day-ahead price
17.1°C / 12 km/h
Temp / Wind speed
Open-Meteo, Kassel (51.3°N 9.5°E) · surface estimate from 100 m wind
100.0% / 12.0 W/m²
Cloud cover / Radiation
188
gCO₂/kWh
Image prompt
Solar 19.7 GW dominates the foreground and middle ground as vast fields of aluminium-framed crystalline silicon photovoltaic panels stretching across rolling September farmland, their glass surfaces reflecting a uniform white-grey overcast sky; wind onshore 9.5 GW fills the right third of the composition as dozens of tall three-blade turbines on lattice and tubular towers, rotors turning slowly in moderate breeze; brown coal 6.9 GW occupies the left background as a cluster of massive hyperbolic cooling towers emitting heavy white steam plumes that merge with the low cloud ceiling; hard coal 3.4 GW appears as a smaller coal-fired power station with tall rectangular chimneys and conveyor infrastructure just behind the lignite plant; biomass 3.8 GW is rendered as a mid-ground wood-chip gasification facility with cylindrical digesters and a single thin exhaust; wind offshore 1.8 GW is suggested by a faint line of turbines visible on the far horizon; natural gas 1.5 GW appears as a compact CCGT plant with a single sleek exhaust stack emitting a wisp of heat haze; hydro 1.0 GW is a small run-of-river weir visible in a stream in the lower-left corner. The sky is completely overcast at 100% cloud cover — a flat, luminous pearl-grey ceiling with no sun disc visible, yet full diffuse midday daylight illuminates everything evenly with no harsh shadows. Temperature 17°C: early-autumn vegetation, green fields just beginning to show faint gold at the edges, deciduous trees still mostly green. Calm, open, tranquil atmosphere reflecting a zero-price market — no oppressive weight, just quiet equilibrium. Highly detailed oil painting in the tradition of 19th-century German Romantic landscape painters — rich, layered colour, visible impasto brushwork, atmospheric aerial perspective with distances fading into haze, meticulous engineering detail on every nacelle, panel frame, cooling tower flute, and smokestack. No text, no labels.
Grid data: 13 September 2026, 12:00 (Berlin time) · Generated 2026-09-13T10:20 UTC · Download image