U.S. electricity generation is projected to grow from 4,260 billion kilowatthours (BkWh) in 2025 to 4,423 BkWh by 2027, with solar power as the fastest-growing source. Utility-scale solar generation is expected to increase from 290 BkWh in 2025 to 424 BkWh by 2027, supported by nearly 70 GW of new solar capacity. The share of generation from natural gas, coal, and nuclear is expected to decline from 75% in 2025 to 72% in 2027, while solar and wind's share will rise from 18% to 21%.
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