2.3 kw of Mono panels (10 Premium panels x 230watts) with Xantrex GT28 Inverter.Price is installed on an iron roof that is single story and is within 100 km of an Australian Capital city(mainland).If you have a tiled roof there is a bracket kit required that cost $200. If the house/factory is higher than single story or you are further that 100 km please email us and we will give you a cost on the extra. Please give postcode detail in email and site address.