How A Solar Panel Can Help Reduce Your Electricity Bill By Powering An Electric Shower, Saving On Monthly Costs

Written by Bruno Teles

Published on 20/05/2024 at 08:59

Updated on 21/05/2024 at 13:20

Foto: Canva/Divulgação

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Learn How a Solar Panel Can Power Your Electric Shower, Saving on Your Electricity Bill and Providing Hot and Sustainable Baths During Winter.

With the arrival of colder weather, using an electric shower can become a nightmare for your electricity bill. A 15-minute shower with a 5500W showerhead can cost up to R$41.65 per month. In a family of four, this amount can reach R$165 monthly. But there is a solution: the solar panel. How long can you run an electric shower using just a solar panel?

First, we need to know how much energy a solar panel can generate. Let’s use a 670W panel installed in Curitiba, one of the coldest cities in Brazil, as an example. Curitiba has an average solar radiation of 4.39 kWh/m² per day. This means that, on average, there are 4.39 hours of full sun per day.

To calculate the energy generated daily, we multiply the panel’s power (670W) by the hours of full sun (4.39 hours). Thus, we have 2.94 kWh per day. But that’s not all. Photovoltaic systems suffer efficiency losses due to dirt, improper tilt, and wiring losses. We estimate these losses at 25%, which leaves us with a real efficiency of 75%.

ARTICLE CONTINUES BELOW

So, the Daily Energy Generated by the Solar Panel is 2.94 kWh Multiplied by 0.75, Resulting in 2.2 kWh Per Day

Now, let’s look at the shower’s consumption. A 5500W showerhead consumes 5.5 kWh in an hour. To find out how long this energy generated by the solar panel can keep the shower running, we divide 2.2 kWh by 5.5 kWh. The result is 0.4 hours, or 24 minutes.

Therefore, with a 670W solar panel, you can take a hot shower for 24 minutes every day without spending an extra cent on your electricity bill.

Comparison with Conventional Consumption

If you don’t use a solar panel and rely only on energy provided by the utility company, the same 24 minutes of daily showering would cost approximately R$66 per month, considering the kWh at R$1.00. This shows how a solar panel can be a great way to save and also contribute to more sustainable energy consumption.

Investing in solar panels not only helps to reduce your electricity bill but also promotes the use of clean and renewable energy. With solar energy, you can enjoy the benefits of a hot shower without worrying about high costs on your electricity bill, especially during winter.

5 Comments

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older Most voted

Alexandre

#9449

22/05/2024 07:15

Matéria totalmente equivocada, faz as contas de quanto uma placa gera em kWh e qual o consumo de um chuveiro, mas não explica que precisaria armazenar a energia da placa durante horas para ter um banho de poucos minutos. Sem armazenar essa energia, não faz nenhum sentido esse levantamento, pura viagem.

Respond

CAP Ceolin

#9370

21/05/2024 13:55

Pra que fazer OFF, se o ONGRID sai a custo extra ZERO e ainda compensa em outras faturas ($$$$$ no boldo) pura falta de informação

E na realidade o híbrido é o que mais compensa (usa o grid só pata backup)…….

Só.lembra que vc já tem a dívida com a CSS, so fazer ela pagar teu híbrido …..

Respond

Caio

#9353

21/05/2024 11:39

Quanto custa ? Não adianta encher meus olhos com vontade de investir e não falar o preço necessário pra comprar, instalação, manutenção etc..

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How A Solar Panel Can Help Reduce Your Electricity Bill By Powering An Electric Shower, Saving On Monthly Costs

Learn How a Solar Panel Can Power Your Electric Shower, Saving on Your Electricity Bill and Providing Hot and Sustainable Baths During Winter.

So, the Daily Energy Generated by the Solar Panel is 2.94 kWh Multiplied by 0.75, Resulting in 2.2 kWh Per Day

Comparison with Conventional Consumption

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How A Solar Panel Can Help Reduce Your Electricity Bill By Powering An Electric Shower, Saving On Monthly Costs

Learn How a Solar Panel Can Power Your Electric Shower, Saving on Your Electricity Bill and Providing Hot and Sustainable Baths During Winter.

So, the Daily Energy Generated by the Solar Panel is 2.94 kWh Multiplied by 0.75, Resulting in 2.2 kWh Per Day

Comparison with Conventional Consumption

Libya built over 4,000 kilometers of underground pipelines to bring water from the Sahara to coastal cities in a project that the government itself called the Eighth Wonder of the World.

Desert sand, previously discarded for being too smooth for concrete, becomes an ecological brick in the United Arab Emirates, dispensing with Portland cement, curing at room temperature, and attempting to transform dunes useless for construction into raw material for a new arid engineering.

Chinese woman planted trees for decades while sand buried part of her house, received $5,000 from an American in 1999, and helped transform the desert into a forest of 8 million trees in China.

Almost 6,000 residents live concentrated along a single street nearly 9 km long in the interior of Poland. Houses form a continuous row, and behind them, narrow agricultural strips emerge, creating one of the most unusual rural patterns in Europe.

Described by astronauts as one of the most unlikely natural phenomena on Earth, the Okavango Delta spreads over up to 15,000 square kilometers in the middle of the desert and transforms Botswana into a living labyrinth of channels, islands, and flooded areas.

Two helicopters, 41 people, and over 38 tons of bait were mobilized on a remote Pacific atoll to eliminate rats; five years later, native trees grew by 5,000%, seabirds gained habitat, and the rainforest began to regenerate.

Scientists have created a material six times lighter than air, 75 times lighter than styrofoam, and that becomes stronger the more it is compressed: aerographite seems impossible, but it can reinforce structures, batteries, and satellites.

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Júlia Pimentel, an 11-year-old from Minas Gerais, independently invented a new formula to calculate the square root using simple addition and multiplication, and her method was published in one of the most important mathematical scientific journals in Brazil.

New portable bathroom is ready in 90 seconds, measures 2.18 meters, fits in the car when closed, and offers privacy for showering and changing clothes.