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Should you step down your voltage?

Power = V*I*cos where is the phase angle between the current and voltage. The only way your utility bill will go down is by using less power. Fans instead of air conditioning, LED bulbs instead of incandescent, less hot water, microwave (much more efficient) instead of electric range. Replace electric heat with southern facing windows. Obviously photo voltaic can reduce your electric bill but solar cells on your property is a major investment. Fix leaky doors and windows during winter months.

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