Independent, fact-checked solar education for US homeowners.https://heliopanels.com/https://heliopanels.com/articles/how-much-can-you-save-with-solar/https://heliopanels.com/articles/how-much-can-you-save-with-solar/Solar savings depend on your electricity rate, usage, and local sun. Here's how to estimate your real savings — and why the honest answer is a range, not a slogan.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/how-much-do-solar-panels-cost/https://heliopanels.com/articles/how-much-do-solar-panels-cost/Solar panels cost about $2.50–$3.50 per watt installed in 2026 — roughly $15,000–$25,000 for a typical home system before any state incentives. Here's the breakdown.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/how-much-electricity-does-a-solar-panel-produce/https://heliopanels.com/articles/how-much-electricity-does-a-solar-panel-produce/A single modern solar panel produces roughly 1.5–2.5 kWh per day, or ~550–900 kWh a year. Here's what drives the number — wattage, sun hours, and real-world losses.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/how-to-size-a-solar-system/https://heliopanels.com/articles/how-to-size-a-solar-system/Sizing solar comes down to your annual usage, local sun, and goals. Here's the step-by-step method to estimate the right system size — in kW and number of panels.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/monocrystalline-vs-polycrystalline-solar-panels/https://heliopanels.com/articles/monocrystalline-vs-polycrystalline-solar-panels/Monocrystalline panels are more efficient and now dominate the market; polycrystalline are cheaper but less efficient. Here's how they compare and which to choose.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/nem-3-explained/https://heliopanels.com/articles/nem-3-explained/NEM 3.0 cut the value of exported solar in California by about 75%, reshaping the math toward batteries. Here's what it is and what it means if you're going solar.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/parts-of-a-home-solar-system/https://heliopanels.com/articles/parts-of-a-home-solar-system/A home solar system is more than panels. Here's what each part does — panels, inverter, racking, meter, battery, and monitoring — in plain English.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/questions-to-ask-before-signing-solar-contract/https://heliopanels.com/articles/questions-to-ask-before-signing-solar-contract/Before you sign for solar, get clear answers on price, equipment, warranties, financing, and what happens if the installer fails. Here are the 10 questions that matter.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/solar-incentives-2026/https://heliopanels.com/articles/solar-incentives-2026/The 30% federal purchase credit is gone, but state rebates, SRECs, net metering, and the lease/PPA federal credit remain. Here's the 2026 incentive landscape.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/solar-incentives-by-state/https://heliopanels.com/articles/solar-incentives-by-state/Solar incentives vary by state, county, and utility. Here's how to find every rebate, tax break, and program you qualify for — and the free database that lists them.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/solar-warranties-explained/https://heliopanels.com/articles/solar-warranties-explained/Solar systems come with several different warranties — equipment, performance, and workmanship. Here's what each covers, typical lengths, and who backs them.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/string-vs-microinverters/https://heliopanels.com/articles/string-vs-microinverters/The inverter converts your panels' power for home use. String inverters are cheaper; microinverters handle shading better and last longer. Here's how to choose.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/understand-your-electric-bill-before-going-solar/https://heliopanels.com/articles/understand-your-electric-bill-before-going-solar/Your electric bill holds the numbers that decide whether solar pays off — your kWh usage, your rate, and fixed charges. Here's how to read it before getting quotes.Sun, 28 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/do-solar-panels-work-on-cloudy-days/https://heliopanels.com/articles/do-solar-panels-work-on-cloudy-days/Yes — solar panels still produce on cloudy days, just less. Here's how much output you lose to clouds, why panels make nothing at night, and how weather affects solar.Sat, 27 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/how-do-solar-panels-work/https://heliopanels.com/articles/how-do-solar-panels-work/A simple, jargon-free explanation of how solar panels turn sunlight into electricity your home can use — from the photovoltaic effect to your electric meter.Sat, 27 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/how-to-choose-a-solar-installer/https://heliopanels.com/articles/how-to-choose-a-solar-installer/Choosing the right solar installer matters as much as the panels. Here's what to check — licensing, equipment, warranties, finances — and the red flags that signal trouble.Sat, 27 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/do-i-need-a-solar-battery/https://heliopanels.com/articles/do-i-need-a-solar-battery/A solar battery stores power for night and outages — but it's a big added cost. Here's when a battery is worth it in 2026, when it isn't, and how to decide.Fri, 26 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/what-happens-if-solar-installer-goes-bankrupt/https://heliopanels.com/articles/what-happens-if-solar-installer-goes-bankrupt/Solar installer bankruptcies have hit big names like SunPower and Freedom Forever. Here's what happens to your panels, warranties, and monitoring — and how to protect yourself.Fri, 26 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/will-solar-work-on-my-roof/https://heliopanels.com/articles/will-solar-work-on-my-roof/Not every roof is a good fit for solar. Here's how roof direction, shade, pitch, age, and material affect whether — and how well — solar will work on your home.Fri, 26 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/lease-vs-buy-vs-ppa-2026/https://heliopanels.com/articles/lease-vs-buy-vs-ppa-2026/Cash, loan, lease, or PPA? After the federal purchase credit expired, here's how the four ways to pay for solar compare in 2026 — and who each one fits.Thu, 25 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/net-metering-explained/https://heliopanels.com/articles/net-metering-explained/Net metering is how your utility credits you for solar power you send to the grid. Here's how it works, why states are cutting it back, and what California's NEM 3.0 changed.Thu, 25 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/solar-payback-period/https://heliopanels.com/articles/solar-payback-period/The solar payback period is how long it takes for energy savings to cover your system cost. Here's how to calculate it, typical 2026 ranges, and how to shorten it.Thu, 25 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/how-many-solar-panels-do-i-need/https://heliopanels.com/articles/how-many-solar-panels-do-i-need/A simple way to estimate how many solar panels your home needs, based on your electricity use, your local sun, and panel wattage — with a worked example.Wed, 24 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/is-solar-worth-it-2026/https://heliopanels.com/articles/is-solar-worth-it-2026/With the 30% federal tax credit gone, is home solar still worth it in 2026? Here's the honest math on cost, savings, and payback — and when it isn't worth it.Wed, 24 Jun 2026 00:00:00 GMThttps://heliopanels.com/articles/federal-solar-tax-credit-ended-what-it-means-2026/https://heliopanels.com/articles/federal-solar-tax-credit-ended-what-it-means-2026/The 30% residential solar tax credit (Section 25D) expired December 31, 2025. Here's what changed, who's still eligible, and how to go solar in 2026.Thu, 08 Jan 2026 00:00:00 GMT