Second-Life Electric Vehicle Battery Storage Helps Power Eaton Microgrid in South Africa

Eaton

An Eaton production facility in Wadeville, South Africa is reducing its energy and operational costs beyond its expectations thanks to a microgrid that uses first and second life electric vehicle batteries. The microgrid is reducing the production facility's monthly utility bill by 40%. Improved manufacturing plant up-time and reductions in … [Read more...]

Renewable Natural Gas as an Option for Microgrids

ameresco

The city of Phoenix, Ariz. is taking raw biogas produced at its wastewater treatment plant and cleaning it before it is compressed and injected in natural gas pipelines. The ultimate commodity is known as renewable natural gas, produced from any organic material found in landfills, sewage treatment or bio-digesters — and an excellent substitute for … [Read more...]

Getting the Most Out of Microgrids: Strategies, Tools & Technologies to Reap Societal Benefits

microgrid simulation

What strategies and tools can help microgrids reap benefits, including societal, financial and environmental gain? Microgrid Knowledge recently sought perspective from some of the panelists who will be featured at Microgrid 2019: Shaping the New Electric Grid, May 14-16 in San Diego. Patrick Lee, founder of PXiSE Energy Solutions, a … [Read more...]

The Hurricanes of the West — Wildfires — Spur More Microgrids in California

microgrids

After wildfires caused power outages in California, the tinder box state is considering more microgrids in a proceeding before state regulators. “Wildfires are now to California what Sandy was to New York,” said Rick Bolton, CEO of Compass Energy Platform, referencing the 2012 superstorm that spurred a government push for microgrids after … [Read more...]

Solarcentury, Canadian Solar, Caterpillar and Tesla Energize 40,000 Off-Grid African Households and Businesses

Solarcentury

Developers and technology companies worldwide continue to focus on electrifying energy-poor areas of Africa. Recent example: 40,000 residents and businesses in the northeast African country of Eritrea now have reliable electricity thanks to two new minigrids. Developed by UK-based Solarcentury, the minigrids (Africa's term for microgrids) … [Read more...]

What Will it Take to Boost Microgrid Markets to the Next Level?

microgrid markets

Moving the microgrid market is an ambitious goal that will require policy changes, technology advances and a customer-centric approach, say several microgrid industry leaders recently interviewed by Microgrid Knowledge. Overall, this challenging effort delivers big benefits, they say. “It’s an exciting time to be in this industry,” says … [Read more...]

Goodbye to Arguments Against Renewables? New Studies Find them as Reliable and Cheap as Fossils

energy-as-a-service

Can renewables cost less than fossil fuel generation? And are they as reliable? It appears so, especially when they are coupled with a suite of distributed energy resources (DERs), such as virtual power plants and demand response. New reports by Energy Innovation Policy and Technology and the Rocky Mountain Institute (RMI) lay out the … [Read more...]

New AC-DC Mobile Microgrid Holds Promise of More Efficient Power Distribution

mobile microgrids

A team at the University of Calgary plans to build a mobile microgrid that promises to improve the simultaneous distribution and management of both alternating current (AC) and direct current (DC) electricity. Three university professors are leveraging proprietary AC-DC power conversion and energy management technology to build and operate a … [Read more...]

Move Over, Lithium Ion: Thermal Energy Storage Finds a Niche

thermal storage

Thermal storage is gaining ground in refrigeration applications, providing demand management for one of utilities’ most energy-intensive industries. Industrial refrigeration consumes more energy per cubic foot than any other utility load, said Collin Coker, vice president, sales and marketing, Viking Cold Solutions. Thermal energy storage … [Read more...]

How to Use Cleaner Diesel in Microgrids

diesel-backed microgrids

We often think of diesel as dirty, and view renewable microgrids as one way to eliminate the use of diesel and other fossil fuels. However, more and more, diesel-backed microgrids can be cleaner, if they rely on the newer, Tier-4 generators. It all depends on where the power is needed, what fuels are available, and how much the microgrid … [Read more...]