Question: how much power is needed for a pool?
Answer: First, high horsepower pool pumps use a lot more power. It's not uncommon for a 1.5 horsepower pump to use 1500 – 2000 watts. This is unfortunate, because most pools only need 1/4 to 1/8th horsepower for circulation. Higher power may be needed for tasks like vacuuming the pool.