One Example is, you could decide to buy the solar system and pay back the associated fee in installments inside a period of time. In Washington, the payback interval is close to 7 – 9 years. Community Rebates and Incentives: Some local utilities and municipalities supply added rebates and incentives https://solarinstallerswesternaustralia.wordpress.com/2025/03/12/choosing-the-best-solar-installers-in-wa-for-maximum-energy-savings/