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Common Solar Panel Defects, Damage & Problems: A Homeowner's Guide
Learn how to identify solar panel defects, corrosion, hot spots, cracks, PID, diode failures, and abnormal degradation, plus how one failing module can affect system production.
Sarah Lozanova
2 days ago
Choosing The Best Solar Design & Proposal Software in 2026
See how Aurora Solar, OpenSolar, HelioScope, Solargraf, PVCAD, Arka 360, and Pylon compare on pricing, proposals, CRM, and design accuracy for residential and light commercial installers.
Sarah Lozanova
2 days ago
How to Perform a Solar Site Survey: Assessment Checklist & Tools
A practical guide for solar contractors covering site survey checklists, assessment tools, roof and electrical reviews, remote surveys, drones, safety, report formats, and design handoff.
Sarah Lozanova
2 days ago
Solar Panel Wattage and Output Explained
See how solar panels are rated in watts, what separates rating from real output, typical watts by panel size, and how to calculate daily and annual energy production for your home.
Sarah Lozanova
Jul 21
California Solar Mandate: 2026 Title 24 Guide for Installers
California's 2025 Title 24 code changed PV and battery sizing for new construction. This guide covers the formulas, battery-ready rules, ADU treatment, and permitting for installers.
Sarah Lozanova
Jul 19
Adding Solar Panels to an Existing System: Cost, Compatibility & Permits
Can you add solar panels to an existing system? Learn how inverter capacity, roof space, permits, net metering, electrical upgrades, and costs shape a practical home expansion.
Sarah Lozanova
Jul 17
Latest Solar Panel Technology 2026: Trends & Innovation
Explore the latest solar panel technology in 2026, from perovskite tandem cells and bifacial panels to flexible solar, transparent PV glass, and AI-powered smart solar monitoring systems.
Sarah Lozanova
Jul 15
Solar Interconnection Agreement: Step-by-Step Process
Learn how the solar interconnection agreement process works, which review track applies to your project, and how to get utility approval and solar PTO faster.
Sarah Lozanova
Jul 15
Perovskite Solar Cell vs. Silicon: Working Principle & 2026 Outlook
Compare perovskite solar cells vs silicon on efficiency, cost, stability, and availability. See how perovskite solar panels work and what installers should watch in 2026.
Sarah Lozanova
Apr 28
Transparent Solar Panels: How They Work, Cost & Where to Buy
Solar researchers continue to innovate with solar glass and see through solar panels. Read more about transparent solar panels solar.
Sarah Lozanova
Apr 24
Best Solar Panel Warranty Guide for Installers for 2026
Compare the best solar panel warranty options for installers in 2026. Covers product vs performance warranty, workmanship warranty, labor reimbursement, orphaned systems, and bankruptcy risk.
Sarah Lozanova
Apr 23
How to Create a Solar Proposal: 2026 Guide for Installers
A 2026 guide for solar installers on creating accurate solar proposals, including quotation format, ROI, incentives, timelines, equipment specs, software, and proposal mistakes to avoid.
Team GreenLancer
Apr 22
NEC 690.8 Solar Conductor Sizing Guide
Solar conductor sizing under NEC 690.8 trips up more residential installs than most installers expect. This guide covers the full calculation sequence from Isc to final wire gauge, temperature derating, conduit fill, wire type selection, and plan set documentation — written for installers doing real permit work.
Sarah Lozanova
Apr 14
PE Stamping Services for Solar: Wet Stamp & Permit Guide
PE stamping services explained for solar installers — what a wet stamp means, when you need a structural or electrical engineer stamp, and how to get your solar PV permit package approved.
Team GreenLancer
Apr 7
Solar Labeling Requirements for Permits
Solar permit labels can delay approval or trigger redlines. This guide covers rapid shutdown labels, placards, ESS warnings, and common AHJ mistakes.
Sarah Lozanova
Apr 7
Quick Guide To IRS Form 5695 for Renewable Energy Credits in 2025
Learn how to fill out IRS Form 5695 for 2025 to claim residential energy credits. Step-by-step instructions help maximize your solar tax credit savings.
Hanna Kielar
Feb 24
A Guide to PV Plan Sets & Critical Mistakes to Avoid
PV plan sets are the foundation of solar permitting. Learn what solar plan design includes—layouts, schematics, diagrams, and drawings—for safe, code-compliant installs.
Sarah Lozanova
Feb 18
Floatovoltaics: The Rise of Floating Solar Farms
The solar industry is revolutionizing power with floatovoltaics—floating solar farms offering a new approach to clean energy.
Sarah Lozanova
Feb 9
7 Strategies for Sustainable Solar Energy Farms
Boost solar energy sustainability with our 2026 guide to sustainable solar strategies about solar farm design, agrivoltaics, and tech for truly sustainable solar energy projects.
Sarah Lozanova
Feb 9
A Guide to Commercial Solar Panel Installation
Commercial solar panel installations are fundamentally different from residential solar projects. Read our guide on getting started.
Sarah Lozanova
Dec 19, 2025
GreenLancer solar blog
The Renewable Energy Blog
The GreenLancer blog delves into the latest trends and insights in renewable energy, offering information and inspiration for solar energy and electric vehicle charging station (EVCS) contractors. Our commitment is to provide accurate information, supported by meticulous analysis and reliable clean energy sources, including government agencies, renewable energy experts, research institutions, and our in-house expertise, from over a decade in the clean energy industry.
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