Use of Solar Panels in Homes Grows 70%

Written by Renato Oliveira

Published on 13/05/2019 at 17:38

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Solar Energy Grows As Electricity Rates Rise And The Price Of Residential Solar Panels Decreases

It’s no news that the use of solar panels in residences has been growing at an accelerated pace in Brazil, but when we compare its growth with the increase in electricity rates, we find even more surprising data.
Two factors have greatly contributed to this expansion: electricity rates have increased by more than 90% in the last 5 years, while the price of solar panels for residential use has fallen, allowing for system installations starting at 10,000 reais for a two-person household and 20,000 reais for four residents.

Therefore, just this year, the number of solar panels installed in residences and in small businesses and industries increased by 70%.
Rio de Janeiro is the city where installing solar panels at home is most advantageous, largely due to the high ICMS charged on electricity rates and the high level of solar light incidence.

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Return On Investment Time

For Comerc, an energy trading company, Rio de Janeiro is the state where consumers get their investment amount (in equipment) back in the shortest time; it takes 2.7 years for Enel customers and 3.3 years for Light customers.

In Teresina, Manaus, and Belém are also other capitals with rapid return on investment, all around 3 years, while in São Paulo the time is 5.34 years.

The time for return on investment has already decreased significantly; according to Comerc, last year the average time in Brazilian capitals was 6 months longer compared to this year.
For specialists, residential solar panels are advantageous for those who pay an electricity bill above R$ 500.

Today, subsidies are offered by the government to install solar panels, but there is ongoing discussion at Aneel about suspending the sale of excess energy generated in each household; if approved, this measure will come into effect next year.
At the end of 2018, Brazil had about 450 megawatts (MW) installed in residential solar generation systems, and today there are already 760 MW, according to data from the Brazilian Solar Photovoltaic Energy Association (Absolar).

With the current pace of sector growth, by the end of this year, the number should more than double and exceed 1,000 MW.
According to Bárbara Rubim, the vice president of the association, there are currently 75,000 solar energy generation units installed in the country, including residential, commercial, industrial, and even public sector entities.

The Growth Of Solar Energy Takes It To The Seventh Position In The Country’s Electricity Source Ranking, A Position Previously Held By Nuclear Energy! Access Here And Read The Full Article!

Use of Solar Panels in Homes Grows 70%

Solar Energy Grows As Electricity Rates Rise And The Price Of Residential Solar Panels Decreases

Return On Investment Time

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Use of Solar Panels in Homes Grows 70%

Solar Energy Grows As Electricity Rates Rise And The Price Of Residential Solar Panels Decreases

Return On Investment Time

With billions in loans, China is rebuilding Nigeria’s railway network from scratch, abandoning the British colonial tracks that have turned to scrap and creating a corridor of over 1,300 km to take the load off the roads of Africa’s largest economy.

China is building an artificial island in the middle of the sea, covering 20 km², to construct the largest offshore airport in the world, the Dalian Jinzhouwan. This $4.3 billion project is anchored on more than 3,000 pillars embedded in the rock beneath the ocean and is scheduled to open in 2035.

Forget petroleum-based asphalt: a Scottish company transforms 684,000 plastic bottles into one kilometer of road that is 60% more resistant and up to 10 times more durable, and the technology has already started replacing traditional asphalt in more than 30 countries.

A British company has installed in the middle of the ocean the world’s first floating platform that generates electricity 24 hours a day from the temperature difference between the surface and the depths of the Atlantic, without relying on wind or sun.

Austrian engineers have developed an inflatable concrete technology that transforms flat slabs into domes using only air pressure, eliminating scaffolding and temporary forms, and potentially changing the way bridges, tunnels, and curved roofs are constructed worldwide.

A robot named Walter does the work of five bricklayers per hour and can save the construction industry, where the average age of professionals is 46 years and almost no one wants to learn the trade anymore, in the United Kingdom.

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