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Extreme-heat grid performance is separating solar-and-storage regions from capacity ...
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Fusion42 · 23 August 2026 · Fusion42 review
Extreme heat is causing uneven grid performance across key U.S. regions, with solar-plus-storage in ERCOT providing more stable prices and capacity at peak demand compared to capacity-constrained markets like PJM and SPP. This differential is crucial as data center demand and AI infrastructure growth increase late-day electricity loads, making peak-hour performance and price predictability key criteria for site selection and contracting.
This Wire brief sits within Fusion42's coverage of Clean Energy.
◆ ◆ The Wire takeaway
You face a sharper site selection test as heat-driven grid stress exposes capacity and price gaps between regions. Data centre operators can use ERCOT’s solar-plus-storage success to pressure utilities on capacity certainty and pricing during critical late-day peaks.
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1 source · 23 Aug 2026
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