What are three problems with geothermal energy?
The main 3 disadvantages of geothermal energy are:
It is location-specific and depends on favorable drilling conditions
Capital cost is high, both for drilling and for energy conver...
Geothermal energy is not always a renewable energy resource because the steam pressure that powers the turbines may run out. There will always be new places to build geothermal power stations, but a single location may not always...
Yes, you can connect a solar panel directly to a battery, but it is strongly recommended to use a solar charge controller unless the solar panel is very small. As a general rule, a 5 watt solar panel can be connected directly to t...
What is a grid-tied solar power system and how does it work?
It’s no secret the world is turning green.
People are gravitating toward renewable energy sources, such as solar panels, which are part of the green revolution. This is...
What size solar charger for a 400W panel?
What size charge controller do I need for 400 watt solar panel?
As a general rule, the average 400 watt solar panel has a current output of 10 amps and open circuit voltage of 50 volts. A...
Solar Panel Testing How-To Guide
This instructional post not only shows how to test any solar panel but also what the tests mean in practical terms. The tutorial covers the basics of multimeter use up to the importance and practi...
After several attempts at designing a system that worked and was safe, I eventually succeeded in combining a kayak motor with a solar charging system, modular in design and easy to put together.
You can put a trolling motor on an...
Solar air conditioners come in two categories: conventional types that used a closed-loop system of refrigerant powered by an array of solar panels. This type simply uses the electricity from solar panels to power the pumping uni...
Are solar panels worth it in California?
As a general rule, solar power is worth it in California. The investor-owned utility companies operate near-retail buyback programs and other rebates include low-income family incentives...
Is solar power worth it in Arizona?
There’s a lot of activity in the solar energy in Arizona – hardly surprising as it’s officially the sunniest state in the U.S.
This post takes a look at solar worth in Arizona, exploring install...
How Much Power Do Solar Panels Generate?
How to calculate solar panel power
Everyone knows that solar panels are rated in watts (Wp), which is the unit of measurement for electrical power. Unfortunately, a 100 watt solar panel may...
Is solar power worth it in UK?
Are solar panels worth it UK?
Can we believe everything we hear about solar power in UK? Installation companies tell us that you’ll save AND earn money with your domestic solar system, while governme...
