For this installation in Emsworth, Hampshire , we installed a 1.75kW system. Roof space was limited so they opted for 7 Sanyo / Panasonic 250w solar panels. These panels are ideal in this situation due to their slightly smaller size and their higher efficiency. A SMA 2000HF inverter with bluetooth was used and system monitoring by a sunny beam display and also a SMA webbox. The sunny beam unit is a great, user friendly means of keeping an eye on the performance of the solar panels. The webbox enables the customer to monitor the system remotely on his iphone. The customer was extremely happy with the installation and is now looking to have some more solar panels on the east-facing roof in the near future.