Not sure what tesla has to do with anything. This is a DC pump - Dc pump, run from an MPPT controller, which operates within a variable speed range. 1500 W solar is not that big - 6 x 250 W panels. About 5K. Do the math and compare to an AC pump. A 240 V pump at 8 A for 8 hours a day consumes 9.6 kWh per day. Assume 90 day pool season - that is 1300 kWh per season....multiply that by your power cost - assume 0.3 $/kWh gives an annual cost of 400. At 5k set up fee, that is a payback of just over 10 years, which assumes price of power never changes (which is very consevative)
90,000litre, IG vinyl, 1/2 HP Tristar pump, Sandfilter, Aquarite T-15 ASG