Energy-efficient pond pump
A pond pump can be on day and night in your pond. As a result, it can use a lot of energy (unseen). It is therefore smart to choose an energy-efficient pond pump. This is a pond pump where with less power consumption you still get as much output as an (older) pond pump. We explain in this article how you can choose an energy-efficient pond pump and how you can save power (and costs) around your pond.
1. What is an energy-efficient pond pump?
By an energy-efficient pond pump, we mean a pump that has the same capacity as comparable pond pumps with less power consumption. An energy-efficient pond pump is more efficient in the consumption of energy. Through smart developments and innovations, these pond pumps waste less energy.
2. Why choose an energy-efficient pond pump?
When buying a new pond pump, you often only look at the price of the pond pump itself. But it's important to include the annual energy cost of the pond pump as well. It can sometimes be that a pond pump that was cheaper in purchase value turned out to be more expensive after 5 years than a more expensive pump in purchase value. This may be when this more expensive pump is more economical in energy consumption.
With high energy costs and prolonged operation of the pond pump, it often pays to choose a more expensive energy-efficient pond pump.
3. How do you calculate the energy consumption of your pond pump?
When purchasing a new pond pump, it is smart to calculate the energy consumption of the new pond pump and possibly also your old pond pump. That way you know how much you will spend on energy costs in the old and new situation.
You can calculate energy consumption and costs in two ways: manually or using our calculation tool. Below we explain how to manually calculate the energy consumption.
Energy consumption calculator for your pond pump
Fill in the details of your situation, the details of your old pump and your new pump and see immediately what your possible savings are in energy consumption and costs.
Calculate manually the energy consumption of your pond pump
To calculate the energy consumption and energy costs of your pond pump, you need the following:-
Power pond pump
For example, 40 watts
The power consumption of your pond pump expressed in watts. You can find this for a new pond pump on the website or packaging. In your old one you can find it on the nameplate on the pump -
Running hours per day
For example, 24 hours per day
The number of hours your pump is on on average per day. Most pumps are on 24 hours a day, 7 days a week. -
Energy costs
For example € 0.50 per kWh
The cost of energy from your energy supplier in Euro per kWh. You can find these in the agreements with your energy supplier.
Step 1: calculate total kWh per year
To calculate total energy consumption per year you can do this by calculating the number of kWh on an annual basis.
kWh (per year) = average number of hours per day on (hours) x 365 x power (watts) / 1,000
Calculation example
Suppose you have a pond pump with an output of 50 watts and it is on 24 hours a day 365 days a year, then calculate the number of kWh per year as follows:
kWh (per year) = 24 x 365 x 50 / 1000 = 438 kWh
Step 2: calculate energy costs per year
To calculate your total energy costs per year, multiply the calculated kWh per year by your supplier's energy rate.
Energy costs (per year) = kWh (per year) x energy tariff in € (per kWh)
Calculation example
Suppose you have an energy price of €0.50 per kWh and the calculated energy consumption of your pond pump is 438 kWh per year. Then your annual energy costs are as follows:
Energy costs (per year) = 438 x €0.50 = € 219,-
Step 3: compare old with new pump
To calculate your energy cost savings, all you have to do in the above calculation is to adjust the power to that of your old/new pump. Imagine your old pump had an output of 70 watts and the new one has the output of 50 watts.
kWh (per year) old pump 70 watts = 24 x 365 x 70 / 1000 = 613 kWh
Energy cost (per year) old pump 70 watts = 613 * 0.50 = €306.50
Energy cost savings = € 306.50 - € 219.00 = € 87.60 per year
So you can see that in this situation, using 50 watts instead of 70 watts can quickly save you € 87.60 per year. This savings can sometimes be almost as much as the purchase value of a pump. So sometimes it quickly pays off to replace your old pump with that of a new pump.
4. Choose a controllable pond pump
When you buy a normal pond pump, it is tuned to a certain power output. The motor inside it draws a power output from the mains and converts it into energy to move water. You may find that your pond requires just a little more or less power than the pond pumps offered. It may then be smart to choose an adjustable pond pump. This allows you to adjust the power of your pond pump more precisely to the needs of your pond. As a result, you may need less power than if you choose a regular pond pump.