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User: jwd2

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  1. Is it cheaper? Correct me if I miscalculated but...

    This says that facility has 129 MW-h storage and cost between 50 an 200 million:

    https://greycellsenergy.com/ex...

    The US produced 4,015 Billion kWh in 2017:

    https://www.eia.gov/tools/faqs...

    Divide by 365 and get 11 Billion kW-h (for just 24 hours backup) or 11 Million MW-h

    11,000,000 / 129 is about 85000

    85000 * 50 million = 4,263,000,000,000

    So 4.3 trillion dollars in batteries