Solar News & Insights

Solar news, made useful.

Follow the policy changes, market trends, technology, and homeowner decisions shaping solar — explained clearly and connected to what the numbers mean for you.

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The Solarity newsroom

Context over clickbait

Solar news moves quickly, but a headline is only useful when you understand what it changes. We focus on the practical context behind each story so you can make better decisions for your home, budget, and timeline.

What we cover

Explore the solar topics that matter before, during, and after installation.

Policy & incentives

Understand tax credits, rebates, net metering, and policy changes that can affect project economics.

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Costs & markets

Follow installation pricing, electricity rates, payback periods, and the market context behind the numbers.

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Technology & storage

Keep up with panels, batteries, inverters, and the practical technology choices available to homeowners.

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Homeowner decisions

Get practical guidance for comparing quotes, choosing an installer, and planning a system that fits your home.

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How we cover the news

Every story should answer three questions

What changed?

We explain the announcement, trend, or technology in plain language.

Why does it matter?

We connect the story to costs, savings, incentives, and real homeowner choices.

What should you do next?

We point you toward the right calculator, guide, or official source for your situation.

Latest from Solarity

Insights worth your time

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Row of solar panels installed on a residential rooftop under clear sky

Solar BasicsJul 14, 2026

How Many Solar Panels Do I Need for My House?

Most homes need between 17 and 25 solar panels to cover their electricity usage, depending on monthly energy consumption, panel wattage, and sunlight.

Residential vs. Commercial Solar: Cost & ROI Compared

Residential solar costs more per watt but less in total dollars, and usually pays back slower than commercial solar. Here is how the two compare on cost, payback, financing, and incentives.

Commercial Solar Panel Cost for Small Businesses

Commercial solar panel cost typically runs $1.00–$2.50 per watt, or roughly $75,000–$500,000+ for a small-to-mid-size business. Here is what drives the price, plus financing and ROI timelines.

Off-Grid Solar System Cost: A Realistic Breakdown

A whole-home off-grid solar system commonly runs $30,000–$60,000 or more, while a cabin setup can cost a few thousand. Here is what drives the price and how it compares to grid-tied plus battery.

How Much Does Solar Panel Cleaning Cost?

Professional solar panel cleaning runs about $150–$350 per visit, or $3–$5 per panel. Here is what moves that price, when DIY makes sense, and how often you actually need to pay for it.

Solar Panel Maintenance: What It Actually Takes

Solar panels themselves are close to maintenance-free. Here is what actually needs attention — the inverter, the electrical connections, and occasional cleaning — plus what to budget over the system life.

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