System panels and inverters

This page gives details for the solar panels and inverters to be supplied by Solar Systems through the Wivey Solar Club offer. The inverter is an important part of the system and converts direct current generated by the solar panels into alternating current to match that from the grid. It is normally installed in the loft space below the panels or in a boiler room or similar.


Solar Systems logo CircleThe panels supplied will depend on availability from the selection detailed below. These are all high quality panels offering cost effective high performance. All are rated at 250 watts peak power output and have silver frames. Black framed units with black backing are also available, adding about 5% to system costs. If you have any preferences or special requirements, please ask Solar Systems when they visit to survey your property and discuss your requirements.

Details below are from manufacturers’ data sheets or supplied by Solar Systems.

Amerisolar AS-6P30-12Amerisolar AS-6P30 (see data sheet)

Low degradation and excellent performance under high temperature and low light conditions.

Positive power tolerance of 0 ~ +3 %.

12 year limited product warranty.

Limited power output warranty:
•  to be within 91.2% of the nominal power output for 12 years ;
•  to be within 80.6% of the nominal power output for 30 years .

Chubb worldwide insurance cover supports the manufactures warranty and provides financial compensation for loss of generation.

Frame dimensions (H x W x D): 1640 x 992 x 40 mm – Panel weight: 18.5 kg

Axitec AC250MAxitec AC250M (see data sheet)

12 years manufacturer‘s warranty.

Guaranteed positive power tolerance from 0-5 Wp by individual measurement.

100% electroluminescence inspection to ensure panel quality during the production process.

Manufacturer‘s performance guarantee:
• to be within 90% of the nominal power output for 15 years;
• to be within 85% of the nominal power output for 25 years.

Frame dimensions (H x W x D): 1640 x 992 x 40 mm  – Panel weight: 19.5 kg

Risen SYP250PRisen SYP250P (see data sheet)

Excellent performances even during low solar radiation.

Guaranteed positive tolerance 0 to +3% of power for each module.

12 year guarantee on material and manufacturing defects

Manufacturer‘s performance guarantee:
• to be not less than 90% of power peak (nominal output) for 12 years;
• to be not less than 80% of power peak (nominal output) for subsequent 13 years (25 years).

Frame dimensions (H x W x D): 1640 x 942 x 40 mm – Panel weight: 19.5 kg


Fronius inverters are efficient and reliable. They will be supplied to match system sizes as shown below. All are supplied with Fronius’ standard 5-year manufacturer warranty and an additional 5-years’ parts warranty, which is valid for systems installed by 30th June 2014. Also see Fronius warranty FAQs.

System size Inverter
8 panels Fronius IG20
10 panels Fronius IG30
12 panels Fronius IGPLUS35V
16 panels Fronius IGTL 3.6

Fronius inverters






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