Värde av solel i Sverige : En faktor att ta med i ekonomin för en solcellsanläggning

Detta är en Uppsats för yrkesexamina på grundnivå från Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

Sammanfattning: The Swedish government has set a target of achieving 100% renewable electricity production by 2040, and this target is reflected in the solar strategy of the Swedish Energy Agency that states it’s possible that solar electricity may represent 5-10% of the Swedish electricity mix by 2040. It’s not easy for different participants such as individuals, companies, farmers and housing associations to find out the value of solar self-consumption and the value of surplus solar electricity that is fed into the power grid, because there are about 120 electricity trading companies and about 170 electricity grid companies in Sweden. The electricity companies have different tariffs. The purpose of this degree project is to investigate how the value of solar electricity varies depending on which electricity trading company and electricity grid company that different participants such as individuals and companies have, and also to make profitability calculations for different cases concerning five of the major electricity trading companies and electricity grid companies, respectively. Data needed for calculating the value of solar self-consumption and sold surplus electricity are collected from the electricity trading companies and electricity grid companies. Profitability is calculated by using an Excel template from the project ”Capital budget for solar cells”. This degree project shows that the value of solar self-consumption is worth more than the value of sold surplus electricity in all cases, both for individuals and for companies. For the companies, the difference in value between solar self-consumption and sold surplus electricity is much greater than for individuals, because the companies studied in this degree project don’t receive any tax reduction for the surplus electricty that is fed into the power grid. The higher the value of solar self-consumption and sold surplus electricity, the more profitable the solar cell investment becomes. The lower the value of solar self-consumption and sold surplus electricity, the less profitable the solar cell investment becomes. The prerequisites needed to achieve 5-10% of solar electricity in Sweden are strengthening or renewal of the electricity grid, budget support for solar cells, financial support systems, education about the potential for solar electricity and how it works and the willpower among various participants to invest in solar cells. 

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