Solar Insights
Tips, guides, and savings insights for homeowners going solar.
Is a Solar Battery Worth It in 2026? The Real Math (and Where It Fails)
A home battery is not a universal money printer. Here is the actual 2026 math on its three value streams, where the payback works, and the honest list of situations where it does not.
How Long Until Your Solar Panels Pay For Themselves? (The 2026 Math)
The payback period is the single number that decides whether solar makes sense for your home. Here is the real 2026 formula, a worked example, and the one input that changes the answer more than anything else.
How Long Does Solar Actually Take? The Real Timeline From Signed Contract to Power-On
Installers will tell you the roof work takes a day or two. The full project runs 6 to 16 weeks, and the wait you should plan for is controlled by two third parties you do not manage.
How Much Are Trees and Chimneys Costing Your Solar Panels? (The Shade Math Installers Hope You Skip)
Shade is the #1 reason solar systems underperform, and a single shaded panel can drag down an entire string. Here is the real math on how much you lose, when it actually matters, and the fix that often saves hundreds of dollars a year.
How to Read a Solar Quote (So You Don't Overpay or Get Burned)
A solar quote is dense with numbers most homeowners have never evaluated. Here is the one figure that makes any two quotes comparable, the five line items a legitimate proposal always names, and the red flags that should make you stop signing.
How Many Solar Panels Do You Need to Charge Your Electric Car?
Adding an EV can add 3,000 to 5,000 kWh of yearly demand to your home, which changes how you size solar. Here is the one formula to figure out how many panels your car actually needs, why your zip code matters more than the car model, and how to size for the car and the house at the same time.
How to Size Your Solar System From Your Electric Bill (10-Minute Math)
Your electric bills already tell you exactly how big a solar system you need. Here's the one formula, a worked table, and the free NREL tool that verifies the answer before you talk to any installer.
What Does "Panel Efficiency" Actually Mean? (And When It's Worth Paying More)
Efficiency is the most-marketed number in solar and the most misunderstood. Here is what it really measures, why the headline number overstates real output, and the one situation where a more efficient panel is actually worth the premium.
Do I Need a New Roof Before Going Solar? The Cost Math That Changes Everything
Solar panels last 25 to 30 years; a typical asphalt roof only about 20. If your roof is near the end of its life, installing solar now means paying $2,000 to $10,000 later to remove and reinstall the whole array. Here is the age rule by roof type, the inspection checklist, and when bundling a reroof with solar saves about $4,000.
Net Metering in 2026: What Your Utility Actually Pays You for Solar (and Why Your State Changes Everything)
After the federal residential tax credit expired in December 2025, net metering is the single biggest driver of solar payback. Here are the four compensation structures, which states use each, and how to check what your utility will actually credit you for every kilowatt-hour your panels export.
Do Solar Panels Actually Add Value to Your Home? (The Real Numbers, State by State)
Owned solar adds a real, measurable premium to home value. Here is what Zillow, SolarReviews, and Lawrence Berkeley National Lab actually found, the per-kilowatt number that helps you estimate your own, and why the leased-vs-owned split is the difference that matters most.
Do Solar Panels Actually Work in Winter? (The Numbers Most People Guess Wrong)
Winter output drops because of shorter days and a lower sun, not cold. Cold actually helps panel efficiency. Here are the real numbers by climate, plus how to size for the seasonal dip.
Do You Actually Need to Clean Your Solar Panels? The Real Numbers (By Where You Live)
Most homeowners either never clean their panels or pay for unnecessary cleanings. The truth depends entirely on your climate: desert Southwest loses 5-10% annually to soiling, while Pacific Northwest loses under 2%. Here's the dollar math, the right frequency by region, and the DIY method that won't void your warranty.
Does Your Roof Really Need to Face South? The Orientation Myth (and the Exception That Matters)
South-facing is the textbook ideal, but most US roofs aren't perfect and they still work. Here's the real production penalty by direction, how it changes your payback, and the one exception (flat roofs + time-of-use rates) where east-west actually wins.
How Many Solar Panels Do You Actually Need? (The Math That Installers Hope You Skip)
Most "how many panels" quotes are a guess. Here is the exact formula designers use, real state-by-state peak sun numbers, and three worked examples that show why your roof and your zip code matter more than the headline panel count.
Is a Home Battery Actually Worth It in 2026? (The 30% Credit Is Gone)
The 30% federal battery tax credit expired December 31, 2025. Here is what a home battery costs now, what incentives are left, and the specific situations where one still makes financial sense versus the ones where you should wait.
Solar Lease vs Buy in 2026: The Credit Is Gone, So the Math Changed
The 30% federal solar credit expired in 2026. That quietly flipped the economics of leasing, PPAs, and buying. Here is the real 25-year math for each path, plus the situations where a lease still wins.
Why Your Solar Savings Are Shrinking (and What Net Metering Changes Mean for You)
Net metering is a policy, not a permanent right. Across the US, states are cutting export rates and shifting to net billing. Here is what is changing in 2026, why it matters for your savings, and what to do before the rules move.
Do Solar Panels Really Only Last 25 Years? (What the Data Actually Shows)
"25-year warranty" is the warranty, not the expiration date. Here's the real field data on solar panel degradation, what actually fails first, and why budget vs. Tier-1 panels only diverge in the long tail.
Do You Need to Clean Your Solar Panels? (Real 2026 Soiling Data, With the Math)
Dirty solar panels lose 0.5% to 7%+ of their output depending on where you live. Here is the NREL-backed data, the cleaning cost math, and the rule that tells you when cleaning is worth it and when you should leave the panels alone.