Solar Resource Center

Cost guides, savings calculations, financing options, and installation advice for homeowners.

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Solar Costs
9 min read

How Much Do Solar Panels Cost in 2026?

The average residential solar system costs $18,000–$25,000 before incentives. After the 30% federal tax credit, most homeowners pay $12,600–$17,500. Here is the complete 2026 cost breakdown by system size, state, and financing type.

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Solar Financing
10 min read

Solar Financing Options: Loans, Leases, and PPAs Explained

Not everyone can — or should — pay cash for solar. The good news: there are four main ways to finance solar, each with different upfront costs, ownership rights, and long-term savings. Here is how to choose the right one.

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Solar Savings
8 min read

How Much Can Solar Panels Save You? Real Numbers by State

The average US homeowner saves $1,100–$1,500 per year after going solar. Over a 25-year system life, that adds up to $28,000–$65,000 in total savings. Here are real numbers, state by state.

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Solar Incentives
7 min read

The 30% Federal Solar Tax Credit: Complete 2026 Guide

The federal solar Investment Tax Credit (ITC) lets homeowners deduct 30% of their total solar installation cost from federal taxes — dollar for dollar. On a $20,000 system, that is a $6,000 credit. Here is exactly how it works.

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Solar Installation
7 min read

The Solar Installation Process: Step-by-Step Timeline

From signing a contract to generating your first solar kilowatt-hour takes 6–12 weeks on average. Here is exactly what happens at each step, how long each phase takes, and what can cause delays.

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Solar Basics
8 min read

How Do Solar Panels Work? A Simple Guide for Homeowners

Solar panels convert sunlight into usable electricity through a process called the photovoltaic effect. Here is a jargon-free explanation of how the whole system works — from sunlight hitting a panel to electricity powering your home.

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Solar Costs
7 min read

Solar Panel Maintenance Costs: What to Expect Over 25 Years

Solar panels are low-maintenance, but not zero-maintenance. Over a 25-year system life, most homeowners spend $3,000–$7,000 on upkeep — primarily one inverter replacement and occasional cleaning. Here is what to budget for.

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Solar Costs
8 min read

Solar Battery Storage Cost in 2026: Is It Worth It?

Adding a battery to your solar system costs $8,000–$20,000 depending on capacity and brand. The Tesla Powerwall 3 remains the market leader, but newer competitors offer strong value. Here is what each option costs and when a battery makes financial sense.

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Solar Financing
8 min read

Solar Loan Guide: How to Finance Solar With Zero Down

A solar loan lets you own your system with $0 down while keeping all tax credits and long-term savings. Rates range from 4.99%–9.99% depending on your credit score and loan type. Here is everything you need to know before signing.

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Solar Financing
7 min read

Solar Lease vs. PPA: Which Is Better in 2026?

Solar leases and power purchase agreements (PPAs) are both $0-down options, but they are not the same product. A lease charges a fixed monthly fee; a PPA charges per kWh of solar power produced. The right choice depends on your electricity usage pattern and utility rates.

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Solar Savings
7 min read

Net Metering Explained: How to Get Credit for Excess Solar Power

Net metering is what makes solar financially worthwhile for most homeowners — it lets you bank excess daytime solar production as bill credits to use at night. But policies vary drastically by state and utility. Here is what you need to know.

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Solar Savings
8 min read

Solar ROI and Payback Period: How to Calculate Your Real Return

The average solar payback period in the US is 7–10 years, with a 25-year ROI of 200–400% after all costs and incentives. But your specific return depends on electricity rates, system cost, financing, and local incentives — here is how to calculate it accurately.

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Solar Incentives
9 min read

State Solar Rebates and Incentives: The Complete 2026 Guide

The 30% federal tax credit is just the starting point. Most states add their own rebates, income tax credits, property tax exemptions, and sales tax exemptions on top. In some states, stacking all available incentives cuts your net solar cost by 50–60%.

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Solar Incentives
7 min read

Solar SRECs: How to Earn Extra Income From Your Solar Panels

In states with active SREC markets, homeowners earn tradeable certificates for every 1,000 kWh their solar panels produce — worth $50–$400 each. A 7 kW system in New Jersey can generate $400–$1,200 per year in SREC income on top of electricity savings.

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Solar Installation
8 min read

How to Choose a Solar Installer: 7 Things to Check Before You Sign

The solar industry has a high rate of homeowner complaints — many tied to choosing the wrong installer. Fly-by-night companies, hidden fees, and inflated pricing are common pitfalls. Here are the 7 things you must check before signing any solar contract.

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Solar Installation
7 min read

Solar Panel Types Explained: Monocrystalline vs. Polycrystalline vs. Thin Film

Most homeowners are offered monocrystalline panels without realizing there are meaningful differences between panel technologies. Understanding efficiency, cost, and use cases helps you make a smarter equipment choice — or at least ask better questions of your installer.

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Solar Basics
6 min read

Solar Panel Efficiency Explained: What the Percentage Actually Means

A 21% efficient solar panel sounds underwhelming — but it is actually near the top of what is commercially available. Understanding what efficiency means, how it is measured, and when it matters helps you compare panels accurately and avoid marketing hype.

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Solar Basics
7 min read

Grid-Tied vs. Off-Grid Solar: Which System Is Right for You?

Grid-tied solar connects to your utility and uses the grid as a backup — it is simpler, cheaper, and what 95% of homeowners install. Off-grid solar requires large battery banks and is best for rural properties without utility access. Here is how to decide.

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