CONFUSED BY THE ‘COST OF SOLAR WATER HEATERS ’ – WHAT DOES IT REALLY MEAN?

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CONFUSED BY THE ‘COST OF SOLAR WATER HEATERS ’ – WHAT DOES IT REALLY MEAN?
October 20, 2015
/ Energy Industry News
/ JAMES GREEN
/ SESSA
CONFUSED BY THE ‘COST OF SOLAR WATER HEATERS ’ – WHAT DOES IT REALLY MEAN?

It should be simple to understand, but when it comes to solar renewables, particularly solar water heaters, and to a lesser extent rooftop solar PV, the question of what it ‘actually’ costs seems to get lost. Almost always the first question is ‘What does it cost?”. End consumers and even government tenders are fixated by the ‘sticker’ cost, in much the same way as looking at a car in the showroom, or even a utility item like a washing machine. The wrong question is being asked. The far more meaningful question is “What is the Return on the Investment”.

The majority of consumers both domestic and business will only really consider consumer renewables in the form of solar water heaters and solar rooftop PV, if they are connected to the grid, on the basis that it can save them money.

1 litre of hot water (assuming it is the same temperature), irrespective of whether it was made over a fire, in an electric kettle or an electric geyser is still 1 litre of hot water.

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