Flexible Solar & Energy Guide
Must Reads
Solar Power for Drones and Unmanned Aircraft
Thin-Film or Crystalline Silicon: Comparing Solar Panel Types
Gallium Arsenide Solar Cells: How Thin-Film GaAs Technology Works
Solar Cells in Space: How Satellites Are Powered
Solar Water Heaters: Collector Types and Where They Make Sense
Solar and Wind Power Side by Side: Output, Land and Variability
Solar Panel Payback Period: How to Estimate the Break-Even Year
How Long Solar Panels Last and How Fast Their Output Declines
Solar Panel Efficiency: What the Percentage Means in Practice
Solar Cell Efficiency Records and How They Are Certified
Solar Car Roofs and Vehicle-Integrated Photovoltaics
Smart Thermostats: How Scheduling Cuts Heating and Cooling Use
Rooftop Solar Installation: Site Survey, Permits and Grid Connection
Renewable Energy Sources Compared: Solar, Wind, Water, Heat and Biomass
Portable Solar Panels for Camping, Boats and Off-Grid Trips
Perovskite Solar Cells: Fast Progress and Open Durability Questions
Offshore Wind Power: Turbines, Foundations and Grid Links
Net Metering: How Rooftop Solar Owners Are Credited for Exports
Levelized Cost of Energy: How Power Sources Are Compared on Cost
LED Lighting: How Much Energy the Switch Saves
How Solar Panels Turn Sunlight Into Electricity
How Heat Pumps Heat and Cool a Home
Home Insulation: R-Values, Air Sealing and Priority Areas
Home Energy Savings: Where a Household Uses Energy and How to Cut It
What a Home Energy Audit Checks and What It Costs to Act On
Home Battery Backup With and Without Solar Panels
Solar High-Altitude Pseudo-Satellites: Aircraft Built to Stay Aloft for Weeks
Green Hydrogen: Making Fuel From Renewable Electricity
Geothermal Energy: Power and Heat From Underground
Flexible Solar Cells: How the Technology Developed and Where It Is Used
Choosing Energy-Efficient Appliances and Reading Efficiency Labels
Community Solar: Shared Solar Farms for Renters and Shaded Homes
Battery Energy Storage and Its Role on a Renewable Grid
Agrivoltaics: Growing Crops and Grazing Under Solar Panels
Renewable Energy
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Solar and Wind Power Side by Side: Output, Land and Variability
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Renewable Energy Sources Compared: Solar, Wind, Water, Heat and Biomass
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Offshore Wind Power: Turbines, Foundations and Grid Links
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Net Metering: How Rooftop Solar Owners Are Credited for Exports
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Levelized Cost of Energy: How Power Sources Are Compared on Cost
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Green Hydrogen: Making Fuel From Renewable Electricity
Trending Today
Solar Energy
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Solar Cell Efficiency Records and How They Are Certified
A solar cell efficiency record only counts when an independent laboratory has confirmed it. This page covers the test conditions, the certifying…
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Solar Car Roofs and Vehicle-Integrated Photovoltaics
A solar car roof adds a modest amount of energy to a vehicle. This page covers how it works, the Audi and…
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Portable Solar Panels for Camping, Boats and Off-Grid Trips
How portable solar panels work for camping, boats and off-grid trips: panel types, sun and shade, charge controllers and battery handling.
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Perovskite Solar Cells: Fast Progress and Open Durability Questions
Perovskite solar cells have climbed from about 3% to over 26% efficiency in small devices, yet durability, lead and scale-up remain unresolved.…
More Stories
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Home Insulation: R-Values, Air Sealing and Priority Areas
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Home Energy Savings: Where a Household Uses Energy and How to Cut It
-
What a Home Energy Audit Checks and What It Costs to Act On
-
Home Battery Backup With and Without Solar Panels
-
Solar High-Altitude Pseudo-Satellites: Aircraft Built to Stay Aloft for Weeks
-
Geothermal Energy: Power and Heat From Underground
-
Flexible Solar Cells: How the Technology Developed and Where It Is Used
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Choosing Energy-Efficient Appliances and Reading Efficiency Labels
Latest Stories
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Community Solar: Shared Solar Farms for Renters and Shaded Homes
Community solar lets renters and homes with unsuitable roofs share an off-site solar array and receive bill credits. This guide covers how it works,…
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Battery Energy Storage and Its Role on a Renewable Grid
Battery energy storage moves solar and wind output to the hours people need it. Here is how batteries work, how they compare with other…
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Agrivoltaics: Growing Crops and Grazing Under Solar Panels
How agrivoltaics shares land between solar panels and farming, and what German and U.S. field trials found about crops, grazing and cost.
Future Tech
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Solar Power for Drones and Unmanned Aircraft
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Thin-Film or Crystalline Silicon: Comparing Solar Panel Types
-
Gallium Arsenide Solar Cells: How Thin-Film GaAs Technology Works
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Solar Cells in Space: How Satellites Are Powered
-
Solar Water Heaters: Collector Types and Where They Make Sense
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Solar and Wind Power Side by Side: Output, Land and Variability