I going to install solar energy at home. I have a few questions to ask: 1、Day time the Solar energy power generation input to your AGL, how much is AGL's electricity charge per kilowatt hour?2、How much KWh the AGL Supply to me the electricity fee at night?3、If the electricity generated during the day is not used up, It can be stored in the AGL electrical network?4、Extra electricity fees can be returned to my bank account? Such as: electricity fee per degree: $0.20/kwh Unused electricity fees ...