Photovoltaics and pool heating: reducing your energy bill

A swimming pool is a real asset in terms of comfort and adding value to a home, but it can quickly become a significant source of energy expenditure. Among the equipment that consumes electricity is the swimming pool heat pump, which is essential for extending the swimming season. With energy prices on the rise, many homeowners are turning to a sustainable solution: photovoltaic self-consumption. But what is the real benefit of solar energy in terms of the overall cost of running a swimming pool, and what impact does it have on water heating in particular?

The electricity consumption of a swimming pool

Before discussing solar energy, it is important to identify what consumes electricity in a swimming pool:

  • Filtration pump: runs several hours a day
  • Heat pump: especially at the beginning and end of the season
  • Lighting, cleaning robot, automatic treatment: secondary but constant consumption

Even a high-performance heat pump is still an electric heating system that can consume between 1 and 3 kWh per hour, depending on its power and the

Photovoltaics: a solution tailored to the needs of swimming pools

Installing photovoltaic panels allows you to generate your own electricity and use it for your pool equipment. There are two advantages to this:

  • Reduced dependence on the grid: solar electricity is used to power operating appliances as a priority.
  • Lower your energy bill: self-consumption reduces the number of kWh billed by your electricity supplier.

Solar energy is perfectly suited to swimming pools because:

  • Solar production periods (daytime, summer, off-season) coincide with demand.
  • Consumption is predictable and can be synchronised with production.

The direct impact on pool heating

Heating via a heat pump is the ideal use to combine with photovoltaic production. Up to 100% of the heat pump’s electricity needs can be covered by the photovoltaic installation. In addition, the heat pump can be controlled: heating cycles can be programmed during the day, at peak solar production. It is a system compatible with self-consumption, without a battery, if properly sized.

The PolySolar Energy System solution from Polytropic

To take the integration of pool heating and solar energy a step further, Polytropic offers a particularly innovative all-in-one solution: the PolySolar Energy System, which is available in three versions for a tailor-made installation:

PolySolar Lite

PolySolar Lite is a complete, ready-to-use plug-and-play photovoltaic kit. Available in versions with 1 or 2 photovoltaic panels, for production of up to 0.9 kWp (kilowatt peak), with a ground or wall-mounted frame in a sunny location and connection to a standard electrical outlet for simplified installation.

PolySolar Energy

This is an intelligent system that combines a kit of photovoltaic panels adapted to the pool environment, a Polysolar electrical or intelligent protection box and a mounting system. The automatic control in SOLAR mode then synchronises solar production and heat pump operation.

PolySolar Split

This is the PolySolar smart box for adaptation to an existing photovoltaic installation.

 

The key advantages of the PolySolar Energy System solution:

  • Zero energy waste: the electricity produced is used primarily by the heat pump.
  • Optimised efficiency: the heat pump heats when energy is available, at no extra cost.
  • Simplified installation: a turnkey solution designed for residential swimming pools.

The PolySolar Energy System thus transforms the swimming pool into a smart energy ecosystem that is self-sufficient for most of the year.

Concrete savings and environmental action

By combining a heat pump and photovoltaic system, you can:

  • Cover up to 100% of your pool’s electricity consumption, including heating.
  • Reduce your carbon footprint by using local, clean, silent energy.
  • Recoup your solar investment more quickly through targeted self-consumption.

Conclusion

Photovoltaic production applied to the swimming pool industry, and in particular to heat pump heating, is now a coherent, economical and environmentally friendly solution. Thanks to intelligent systems such as Polytropic’s PolySolar Energy System, you can switch to a partially or totally energy-independent swimming pool, with a measurable return on investment from the very first seasons.

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