This is the technology side of the site: how solar cells convert sunlight into electricity, how wind turbines generate power, how home batteries actually store and release energy, and the broader science behind hydrogen, geothermal and the rest of the clean-energy landscape. Nothing here requires you to buy anything — it’s the mechanics, explained.
If you’re evaluating a real decision for your home — an EV, an efficiency upgrade, an incentive program — our companion guide to clean energy at home covers that instead.
Solar Energy
- Community Solar Explained: How It Works — Community solar lets you access solar power without rooftop panels
- How Solar Panels Actually Work — A clear, plain-language look at the physics and hardware that turn sunlight into usable electricity in your home
- Rooftop vs Ground-Mount Solar: What Actually Differs — Rooftop and ground-mount solar differ in space needs, mounting, permitting, access, and cost drivers
- Solar Panel Efficiency and Degradation Over Time — How solar panel efficiency ratings work and why output declines slowly over decades — what drives degradation and what to ask
- What to Ask a Solar Installer Before You Sign — Key questions to ask a solar installer before signing a contract, covering design, equipment, permits, pricing, and warranties
Wind Energy
- A Brief History of Wind Power — How wind power evolved from grain mills to modern turbines, and what that history explains about today’s technology
- How Wind Turbines Generate Electricity — A clear look at how wind turbines turn moving air into electricity, from blades to grid, and what affects their output
- Offshore vs Onshore Wind: What Actually Differs — Offshore and onshore wind differ in turbine size, wind speeds, grid connection, cost, and permitting
- Small Residential Wind Turbines: Are They Practical? — Small wind turbines work for some properties, not others
Energy Storage & Batteries
- Grid-Scale Energy Storage Explained — How grid-scale energy storage works, the main technologies used, and why it matters for renewable power and grid stability
- How Home Battery Storage Actually Works — A plain-language look at how home batteries store, manage, and release electricity — and what actually determines their size and role
- Lithium-ion vs Other Home Battery Chemistries Explained — How lithium-ion, lead-acid, and other home battery chemistries actually differ in safety, lifespan, and what questions to ask
- What a Home Battery Backup Actually Covers in an Outage — A home battery rarely powers a whole house at once
All energy storage & batteries articles
Science & Innovation
- Geothermal Energy Explained: How It Actually Works — Geothermal energy explained: how underground heat generates electricity and warms homes, where it works, and what to ask before you consider it
- Green Hydrogen vs Blue Hydrogen: What Differs — Green and blue hydrogen are made differently and have different emissions profiles
- How a Solar Cell Converts Sunlight Into Electricity — A plain-language look at the physics inside a solar cell — from photons hitting silicon to usable electric current
- Hydrogen Fuel Cells Explained — How hydrogen fuel cells generate electricity, where they’re used today, and what determines whether they make sense
All science & innovation articles
Also on The Cleaner Energy
The companion guide, Clean Energy at Home, covers the other half of the site. Our about page explains who writes this site and what we will not claim.
The Cleaner Energy publishes general information about clean energy technology, not financial, tax, legal or engineering advice. We are writers and editors, not installers, contractors or financial advisers. Incentives, rebates, utility rates and equipment costs vary by location and change over time — confirm current figures with the official program administrator, your utility, or a licensed local professional before making a purchase or installation decision.