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Testimonials & Case StudiesNew FiT Rates - 12% ROI
On May 24th 2012 the Government announced the results of a comprehensive review of the feed-in tariff scheme and published revised FITs for solar PV effective from August 1st 2012. You can view the full rate table here.
Despite the rate reduction, taking into account the continued fall in installation costs and the increase in the export tariff to 4.5p, solar PV remains as good an investment as ever and as our example below illustrates the annual return is still in excess of 12%.
Example
The example below is based on a 4kWp domestic PV system using 250w Suntellite modules. In this example the SAP calculation assumes south facing roof, 30 degree pitch and self use of 50% of generated electricity.
System specification
| Annual production (kWh) | 3,434 |
|---|---|
| FIT – generation rate (p/kWh) | 16 |
| FIT – export rate (p/kWh) | 4.5 |
| Grid price (p/kWh) | 14 |
| System cost (£) | 7,200 |
Feed-in tariff payments, savings and returns
| FIT generation payment | 3,434 x 16p | £549.44 |
|---|---|---|
| Fit export payment | (3,434 ÷ 2) x 4.5p | £77.27 |
| Annual bill savings | (3,434 ÷ 2) x 14p | £240.38 |
| Total annual benefit | £867.09 | |
| ROI | 867.09 ÷ 7,200 x 100 | 12.04% |
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