How to Estimate Your Pool Pump's Actual Energy Cost
Most homeowners can name their internet bill to the dollar and have no idea what their pool pump costs to run, which is usually the biggest single electrical load in the backyard. Gleannloch Farms routes pool and backyard plans through its HOA architectural review, and golf-course-adjacent lots there need drainage planned so runoff moves correctly relative to the course, both addressed in the design step.
The Basic Math
Running watts (from the pump's nameplate or spec sheet) times hours run per day, divided by 1,000, gives kWh per day; multiplied by your utility's rate per kWh gives a daily cost, multiply by 30 for a monthly estimate. A single-speed 1.5 HP pump running 8 hours a day can easily cost several times what a variable-speed pump set to a lower daily-average speed costs for the same circulation task.
Why the Estimate Is Usually Conservative
This math assumes the pump runs at its rated wattage the whole time; a variable-speed pump programmed to run most hours at a lower speed (and only ramp up for specific tasks) uses meaningfully less than the nameplate-wattage estimate would suggest, which is part of why the real-world savings from upgrading often beat back-of-envelope expectations.
Where This Fits
See our Pool Repair service page, or Financing if cost is the next question.
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