Commercial Questions ( Contract all | Expand all )
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How can I earn money on exporting electricity?
Earning money on solar electricity is structured differently from country to country. In Europe a much used system is the feed-in tariff (FiT) system where you producers of solar electricity are guaranteed a fixed price per kWh of electricity fed back into the grid under a multiyear contract.
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How long can I earn money on a SunMast system?
A FiT period is guaranteed for a period of up to 25 years in most countries.
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Seeing as the masts are connected to the grid wouldn't it be better to centralise the PVs in a single solar installation?
That is an option, but by adding PV systems to light columns we make use of structures which are already in place. The lighting columns serve a double purpose. In this way, installation costs are kept to a minimum. You could call a SunMast a distributed small scale BIPV system.
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Is it profitable? How much more expensive is a SunMast than a conventional mast?
A SunMast is about double the price of a conventional streetlight. However, the grid-connected PV system allows you to benefit from feed-in tariffs. That means the PV system can pay for itself within 8-15 years depending on which country the system is installed. The remaining part of the FiT period will provide profits that will go towards the cost of the streetlight itself. And, by adding lighting controls to the system, further savings can be made on the electricity consumption benefitting the overall system economy.
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