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Valuable energy
With the system “solrif“ the PV-modules are roofing and energy-carrier in one. The modules get assembled directly to the roof-beams.
Enlarge ImageThere is a definite need for initial support (subsidy) to make seminal technologies like photovoltaic marketable. After all PV must concur with technologies, that decades ago gained enormous subsidies from the state (in Switzerland). Besides the economical reasons, we must consider, that our consumption of energy nowadays endangers the earth. The renewable sources of energy are the only supply fit for the future, that’s why the support beyond economic reasoning is a must. We demand, that an ambitioned subsidy is determined by law – not only in Switzerland.
Cost: estimated costs for a smaller grid-connected system (up to 4 kwp, the size of a one-family-home): between 6000 $ to 7000 $ per kWp (fully installed, subsidies not included. The cost per kWp calculating the amortization of the system is between 40 to 50 cents. The costs rise generally linearly to the size of the system. With larger solar plants the costs per kWp drops by 20% or more. Planning a renovation of the roof, expenses can be saved by using the solar modules as a roofing instead of tiles.
If investments must be amortized, a grid-connected PV-system is only economical if in connection to an electricity exchange-market, which pays a price calculating amortization of the system.
In regions without grid-connection, an off-grid-system is the most economical solution to supply electricity.
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Cost: estimated costs for a smaller grid-connected system (up to 4 kwp, the size of a one-family-home): between 6000 $ to 7000 $ per kWp (fully installed, subsidies not included. The cost per kWp calculating the amortization of the system is between 40 to 50 cents. The costs rise generally linearly to the size of the system. With larger solar plants the costs per kWp drops by 20% or more. Planning a renovation of the roof, expenses can be saved by using the solar modules as a roofing instead of tiles.
If investments must be amortized, a grid-connected PV-system is only economical if in connection to an electricity exchange-market, which pays a price calculating amortization of the system.
In regions without grid-connection, an off-grid-system is the most economical solution to supply electricity.
Read More