Pool Pump to Hydro Turbine Methodology – Reverse Flow
NOTE: This document was not written by GW Store – Full credit needs to be extended to the papers authors Chris Greacen and Megan Kerins The original published transcript can be foundRead More…
07Jan/21
Solar production calculator by city South Africa
Solar Production Calculator by City So, we do quite a bit of sizing for commercial or large domestic class installations, we are also in process of launching Solarkom which basically allows aRead More…
31May/19
Axpert and Pylon Configuration with/out Raspberry Pi
Axpert and Pylon Configuration with Raspberry Pi Models of Axpert covered in this: Axpert 5kVA 48v, Axpert 5kW MKS II, Axpert Infini 5kW, Axpert Infini 5.5kW ES, Axpert Infini 10kW 3 PhaseRead More…
17Apr/18
Wind Turbine Buyers Information
I have been meaning to write this for quite some time. I think many people will find it useful because there is a huge amount of misconception about what wind turbines canRead More…
Nuclear vs Renewable
Water Saving Tips and Top Low Cost Water Saving Products
Karoo a Fracking Disaster
Your rights trampled by profit?
The Four Horseman of the Climate Apocalypse
Cape Town Drought Exclusive – Polluted, abused and chronically low
ENN – Drought, Cyberpoaching, Trumps madness and science meets permaculture
How to change your life and fix the world.
Global Drought rears its ugly head, the status and solutions
The Electric Vehicle Revolution?
28Sep/16
Global Drought, Food Production and another heat record
Jason Sole discusses another month of temperature records set globally (see link below) Â and the impacts it is beginning to have on various locations around the globe (see link below). He alsoRead More…
01Sep/16
Free the Grid – The Great Solar Rip Off
We are being misled by the Minister of Energy, Eskom and the entire IPP program. Today we were informed that a 100 megawatt plant cost them 62Â billion rand. Sadly, this is probablyRead More…
14Mar/16
Solar Battery buying basics
Solar Battery Buying Basics So, you want to buy a solar battery but have no clue where to start? Need help in working out what’s right for you? Or perhaps you haveRead More…
19Nov/15
Correct Battery Configurations on a Renewable Energy System
Correct Battery Configurations on a Renewable Energy System A human’s guide to battery configuration, set up and installation. If you are reading this, then no doubt you have scoured google seeking anRead More…
28Aug/15
The Benefits of changing to Energy Saving Lighting
Type of Light Initial purchase price Amount charged by Eskom over the bulbs lifespan Amount of Carbon produced over the bulbs lifespan Incandescent Bulb100W ( 2000 hour lifespan) R5,60 R74,00 195,6kg CO2Read More…
What is Solar Energy?
The sun is a powerful source of energy. In fact, the sunlight that shines on the Earth in just one hour could meet world energy demand for an entire year! There areRead More…
Why a solar geyser is better than an electric geyser
Solar water heating has been used commercially around the world for more than 50 years. In several countries it is mandatory to have a solar water system in every home! Around 40%Read More…
How Wind Turbines Work
Wind is a form of solar energy. Winds are caused by the uneven heating of the atmosphere by the sun, the irregularities of the earth’s surface, and rotation of the earth. WindRead More…
Rainwater Harvesting
Rainwater harvesting simply refers to the collection and storage of rainwater for future use. In semi-arid and arid regions such as South Africa, water supply is limited and can be expensive. DroughtsRead More…
What can I do to make my geyser more energy efficient?
Cutting down in your electricity usage is a surefire way to cut costs and reduce carbon emissions. The less energy we use, the less carbon is pumped into the atmosphere from fossilRead More…
Introducing High Efficiency Showerheads
Saving Electricity&Water with High Efficiency Showerheads Using high efficiency showerheads in the bathroom can save much household energy and water to the advantage of the householder, the environment and, under energy andRead More…
Saving Electricity and Water with High Efficiency Showerheads
Introducing High Efficiency Showerheads Using high efficiency showerheads in the bathroom can save much household energy and water to the advantage of the householder, the environment and, under energy and water shortageRead More…
Battery Testing Methodology
Battery Testing ; Testing is designed to tell us things we want to know about individual cells and batteries. Some typical questions are: Is it fully charged How much charge is leftRead More…
EU pledges billions to climate change fight
London, England (CNN) — European Union leaders have agreed to pledge 7.2 billion euros ($10.6 billion) to help developing countries deal with the effects of climate change over the next three years.Read More…
Despite Despair, I’m Not Ready to Climb Dark Mountain
Published on Tuesday, May 11, 2010 by The Guardian/UK by George Monbiot Those who defend economic growth often argue that only rich countries can afford to protect the environment. The bigger theRead More…
Oceans failing the acid test, U.N. says
(CNN) — The chemistry of the world’s oceans is changing at a rate not seen for 65 million years, with far-reaching implications for marine biodiversity and food security, according to a newRead More…
Building eco-civilization
In the inevitable transition to a global green economy, emerging economies should have greater say in decision-making In the past 20 years, though global achievements have been made in the provision ofRead More…
Amazon more resilient to climate change
Oslo – The Amazon rainforest is less vulnerable to die off because of global warming than widely believed because the greenhouse gas CO˛ also acts as an airborne fertiliser, a study showedRead More…
China hands ‘death sentence’ to 75% of solar cell makers
SHANGHAI — The Chinese government is pushing for a drastic shakeout of the country’s overcrowded solar cell industry, supporting only a quarter of players and practically telling the rest to get outRead More…