[Not a valid template]
Case Study 2 – 2.275kW System
Background
This installation is on a 1930’s detached house. The system is on the south westerly facing roof of an extension to the rear of the house.
Solar PV System Specification
- 13 x BP 4175T Photovoltaic Modules (dimension 5825mmx3200mm)
- 1 x StecaGrid 2000+ Inverter
- 1 x OFGEM approved total generation meter
- Schuco mounting system
Predicted System Performance
- Output = 1869kWh/year
- Income and Savings = £1006/year*
- Income & Savings after 25 years £29,766**
- Cost to install £13,195 (September 2010)
- Payback time 12 years**
- Average Annual ROI 9%**
*Based on 12.5p/kWh current energy price
**Assumes 2% inflation and 3% annual increase in energy costs