Free Resources & Tools
Downloadable guides, checklists, and calculators to help you make informed decisions about solar, batteries, and electrical upgrades.
Downloadable Guides & Checklists
Get expert resources to guide your decisions. All guides are free to download—no email required.
Pre-Solar Site Audit Checklist
Complete checklist to prepare your home for a solar assessment. Includes roof condition, shading analysis, electrical panel info, and consumption patterns.
Home Electrical Safety Checklist
Essential safety guide for older homes. Covers wiring age, outlet grounding, circuit breaker condition, and when to call a professional electrician.
Solar Installation Timeline Guide
Week-by-week breakdown of what to expect from quote to connection. Covers approvals, inspections, and system commissioning milestones.
Battery Storage Buyers Guide
Complete comparison of battery types, capacity sizing, backup duration, and cost-benefit analysis for Melbourne homes.
2026 Government Rebates Guide
Up-to-date breakdown of STCs, state incentives, and available rebates for Melbourne. Includes eligibility requirements and how G Gill handles paperwork.
Solar Quote Comparison Worksheet
Printable template to compare quotes from multiple installers side-by-side. Includes warranty, performance estimates, and hidden cost checklist.
Online Calculators
Use these interactive tools to estimate your potential savings and system requirements.
Solar ROI Calculator
Estimate your payback period and 25-year savings based on your current electricity bill, roof orientation, and system size.
System Size Estimator
Find out what solar system size is right for your home based on annual energy consumption and offset goals.
Frequently Asked Questions
Are these guides free to download? ▼
Yes! All guides, checklists, and calculators are completely free. No email signup required—just download and use them immediately.
Are the calculators accurate for my specific situation? ▼
The online calculators provide estimates based on average Melbourne conditions. For a precise ROI and system recommendation, we provide free personalized assessments during site visits. Contact us to schedule yours.
Can I share these guides with friends or family? ▼
Absolutely! Share the guides with anyone considering solar or electrical upgrades. They're designed to help people make informed decisions.
How often are guides updated? ▼
We update our guides annually to reflect the latest government rebates, technology changes, and pricing. The 2026 editions are current as of June 2026.
What if I have questions after using a guide? ▼
Reach out anytime! Call us at 0424 082 250 or email info@ggillelectricals.com.au. We're happy to answer questions and discuss your specific project.
Ready to Move Forward?
Download our free guides, use the calculators, and then let's talk about your specific project. We'll provide personalized recommendations and transparent pricing.