Solar Cost & ROI Guides
52 expert guides on pricing, incentives, payback, and financing — updated for 2026. Start with the 30% tax credit guide or use our free calculator.
Solar cost guides
52 in-depth articles on pricing, incentives, and ROI
Solar Tax Credit 2026
30% federal ITC guide
Read guide →Solar Payback Period
How long until solar pays off
Read guide →Are Solar Panels Worth It?
When solar makes financial sense
Read guide →Solar Battery Cost
Home storage pricing 2026
Read guide →Solar Lease vs Buy
PPA, lease, loan, cash compared
Read guide →Net Metering Explained
How utility credits work
Read guide →Solar Financing Options
Loans, HELOC, and payment plans
Read guide →Federal Solar Incentive 2026
ITC rules and eligibility
Read guide →How Many Solar Panels Do I Need?
System sizing guide
Read guide →Solar Panel Cost by State
National price overview
Read guide →Solar vs Utility Bill Savings
Monthly bill reduction math
Read guide →Solar Panel Types
Monocrystalline vs polycrystalline
Read guide →How Long Do Solar Panels Last?
Solar panel lifespan: 25–30 year warranties, degradation rates, and when to repl
Read guide →Do Solar Panels Work on Cloudy Days?
Solar production in cloudy weather, rain, and winter — what to expect.
Read guide →Solar Panel Maintenance Cost
Annual solar maintenance costs: cleaning, inverter replacement, monitoring.
Read guide →Solar Panel Installation Process
Timeline from quote to permission to operate: permits, install, inspection.
Read guide →How to Compare Solar Quotes
Compare solar quotes by cost per watt, equipment, warranties, and production.
Read guide →Solar Cost Per Watt Explained
How to calculate $/W and why it is the standard solar price metric.
Read guide →10 kW Solar System Cost
Average 10 kW residential solar system cost, production, and savings.
Read guide →8 kW Solar System Cost
8 kW solar system pricing, panel count, and typical home fit.
Read guide →Community Solar Guide
Community solar for renters and homeowners who cannot install rooftop panels.
Read guide →Solar Panel Efficiency Guide
Panel efficiency ratings: monocrystalline, PERC, and what efficiency means for R
Read guide →Best Solar Panels for Homes
Top residential solar panel brands: Qcells, REC, Panasonic, and what to look for
Read guide →Microinverter vs String Inverter
Compare microinverters (Enphase) vs string inverters (SolarEdge) for home solar.
Read guide →Solar Panel Warranty Guide
Product vs performance warranty, what is covered, and how to claim.
Read guide →Solar Panel Degradation
How much output solar panels lose each year and why it matters for ROI.
Read guide →Off-Grid Solar Cost
Off-grid solar system pricing with batteries — vs grid-tied rooftop.
Read guide →Solar for Electric Cars
Size solar for EV charging: kWh needed, costs, and savings vs grid charging.
Read guide →EV Charger + Solar Guide
Level 2 EV charger installation cost with solar integration.
Read guide →Time-of-Use Rates & Solar Savings
How TOU electricity rates affect solar ROI and battery value.
Read guide →Solar PPA Explained
How solar PPAs work, costs, and PPA vs lease vs buy.
Read guide →Selling a Home With Solar Panels
How owned vs leased solar affects home sale and value.
Read guide →Solar Roof vs Solar Panels
Tesla Solar Roof vs traditional panels: cost, aesthetics, ROI.
Read guide →Ground Mount Solar Cost
Ground-mounted solar pricing vs rooftop — when it makes sense.
Read guide →Best Solar Panel Direction & Azimuth (US)
Optimal roof orientation for solar production in the northern hemisphere.
Read guide →HOA & Solar Panels
Solar access laws: HOAs cannot block solar in most US states.
Read guide →Solar Permit Cost by State
Building permit fees for residential solar installation.
Read guide →Solar Panels & Home Insurance
Does home insurance cover solar panels? What to tell your insurer.
Read guide →Solar Property Tax Exemption by State
States that exempt solar from property tax increases.
Read guide →SRECs Explained
How SRECs work in NJ, MA, PA and other state markets.
Read guide →Tesla Powerwall Cost
Powerwall 3 pricing, installation, and ITC eligibility.
Read guide →Solar Backup Power During Outages
Battery backup vs generator — solar resilience options.
Read guide →Grid-Tied vs Off-Grid Solar
Compare grid-connected and off-grid solar systems.
Read guide →California NEM 3.0 Guide
How NEM 3.0 export credits affect California solar ROI.
Read guide →Florida Solar Net Metering
FPL, Duke, and TECO net metering rules for Florida solar.
Read guide →Texas Solar Buyback Programs
Retail electric provider solar buyback rates in Texas.
Read guide →Average Electric Bill With Solar
What your electricity bill looks like after going solar.
Read guide →Solar Panel Recycling
What happens to solar panels after 25–30 years.
Read guide →Solar Panel Cleaning
When to clean solar panels and typical cleaning costs.
Read guide →Winter Solar Production
How snow, shorter days, and cold affect solar output.
Read guide →Solar Options for Renters
Community solar, green tariffs, and portable solar for renters.
Read guide →Commercial Solar Cost Basics
Overview of business solar pricing vs residential.
Read guide →