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The report demonstrates that the U.S. can achieve 80% clean electricity by 2030 without increasing wholesale electricity costs or compromising grid dependability. This transition would require 950 GW of new wind and solar capacity and 227 GW of battery storage, necessitating $1.5 trillion in clean energy capital investments. The '80% Clean' scenario avoids $1.7 trillion in health and environmental damages and 93,000 premature deaths through 2050 compared to a 'No New Policy' case. The analysis concludes that such a target is feasible and critical for enabling broader economy-wide decarbonization of transportation, buildings, and industry to align with a 1.5°C warming limit.