Electricity prices have increased significantly over the past few years and one method to reduce your bills further is to install solar. Solar should be considered after implementing energy efficient options identified above as this will reduce the size of the solar system required and thus its cost and how long it takes to pay it off. Generally, a warranty on a PV system is for 20+ years and a system can be paid back in under 5.
For more information read the Clean Energy Council’s Guide to installing solar for households