Get Email Updates!

Concentration of CO2 in the Atmosphere

Sonnen Batteries

This recent sonnen battery installation in New Hampshire is an ECO-12. It provides continuous 8,000 watt output along with 12kWh of standby capacity. It can be charged by the home’s 7.8 kilowatt AC solar array, the grid, or a back-up generator. Photo courtesy of Granite State Solar.

By George Harvey

In a […]

How Lithium Iron Phosphate Batteries are Easier on the Environment

By Danielle Ferguson

Lithium iron phosphate (LiFePO4) batteries have many characteristics that make them superior to other battery technologies. They are lightweight and versatile. They have a long lifespan and a fast recharge rate. They can also withstand cold, heat, collision, and mishandling during charging and discharging without risk of combustion.

But […]

The Disruption has Begun

Batteries are starting to wreck the hopes of fossil fuels

By George Harvey

The Hornsdale Power Reserve (HPR) is a big battery in South Australia. At any given instant, it can provide 100 megawatts (MW) of power. It can keep up a discharge of 70 MW for about ten minutes, and 30 MW […]

GOT WATER – GOT POWER?

What do you do when the power goes out?

Even if you have Solar PV system, if it is grid tied there is not much you can do but wait it out, or perhaps there is…

This presentation offers two innovative solutions for your water and power needs during a power outage;

Dan Foster – […]

Battery Storage to Recharge the Clean Energy Transition – New Report

Clean Energy Group makes the case for battery storage as an emerging opportunity to transform all sectors of the economy

A report released today by the national nonprofit Clean Energy Group (CEG) sets out actions that activists and foundations can take to accelerate the clean energy transition with battery storage. The free […]

Green Mountain Power Offers New “Bring Your Own Device” Program to Cut Energy Peaks

Home Battery Storage Owners Can Reduce Energy Costs for All Customers Through GMP’s “BYOD” Program Green Mountain Power (GMP) has announced a new program to partner with customers to reduce costs during high energy use times. During peak times such as cold winter nights, GMP will share access with customers’ home or business battery storage […]

Plummeting Cost of Renewable Energy Plus Storage

By George Harvey

Watching the progress of a no-hitter in baseball has an unusual aspect to it. The exciting thing is that nothing new happens. The moment the game changes, the excitement ends.

That is how it has been with the prices of electricity from renewable power. The costs of solar and […]

Batteries: Lead-Acid vs. Lithium

“The times they are a-changin’.” – Bob Dylan

Before: System with lead-acid batteries in need of replacement.

By N. R. Mallery and George Harvey

Until recently, the choice for battery storage of renewable energy generation has mostly been with lead-acid options. Today, with all the new battery technologies touted […]

More on Joseph Mangum in Puerto Rico

The forests around Utuado, Puerto Rico, were largely destroyed by the storm. US Department of Agriculture Photo, Master Sgt. Joshua DeMotts | 1st Combat Camera Squadron

By George Harvey

I last posted on the Green Energy Times website about the work Joseph Mangum was doing in Puerto Rico in “Joseph’s First Two […]

Tesla wins contract to supply Powerpacks at world’s first solar+wind+storage project

re-posted from https://electrek.co. article by Fred Blambert

Last month, it was revealed that Tesla is working with world’s largest wind-turbine maker, Vestas, to deploy batteries at their wind farms.

Now Tesla won its first contract with the company and as it turns out, it’s not only for a wind farm but actually the first solar+wind+energy […]