A warehouse installs LED lighting and reduces its monthly energy consumption by 30%, but its 15-minute peak demand remains unchanged. Under a tariff with both energy and demand charges, what is the expected impact on the total bill?
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A
Total bill decreases proportionally by 30%
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B
Only the energy portion of the bill decreases; demand charges remain the same
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C
Total bill increases because lower load factor raises demand costs
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D
Demand charges decrease because efficiency improvements always lower peak demand