Duke Energy’s Green Microgrids Run Smoothly through Storm

green microgrids

Two green microgrids operated by Duke Energy rode through a weakened Hurricane Irma with no hiccups, while customers experienced outages close by. The first, the Mt. Sterling solar plus  storage remote microgrid, serves a communications tower located on National Park Service property in the Great Smoky Mountains on Mt. Sterling, Haywood County, … [Read more...]

Interest in Microgrids is Building in the Washington, DC Area

interest in microgrids

Annette Osso, managing director of Resilient Virginia, describes the growing interest in microgrids -- a topic that will be explored at a gathering of microgrid and energy storage leaders next week in Washington, D.C.  Leaders in Energy and Resilient Virginia are teaming up on October 19, 5:30-8:30 p.m., to bring together an exceptional group of … [Read more...]

Tanzania’s Mini-grids and the Pitfalls and Potential of the Pan-Africa Microgrid Market

Tanzania’s mini-grids

Eliminating energy poverty looms large among the 17 main goals that make up the UN’s strategic sustainable development agenda. Sub-Saharan Africa, where more people lack access to electrical power than any other major world region, is a focal point for associated efforts. Mini and microgrids are playing a growing role. More than 70 percent of … [Read more...]

California Offers up to $2M for Microgrid Modeling Tool to Quantify Value

microgrid modeling tool

California is making up to $2 million available for development of a microgrid modeling tool that will help in quantifying the value of a microgrid for both customers and the larger electric grid. The microgrid grant is part of a larger $9.074 million offering, called the Distribution System Modeling Tools to Evaluate Distributed Energy … [Read more...]

California Nears Homestretch on Roadmap to Commercialize Microgrids

commercialize microgrids

California is nearing the homestretch on a roadmap now being circulated for comment that aims to help commercialize microgrids. Comments are due by October 27 on the draft document, created with oversight from the California Energy Commission, California Public Utilities Commission and California Independent System Operator. In addition, the … [Read more...]

California’s Grid Operator Looks at How to Absorb Excess Solar Energy with Storage

excess solar energy

A first-of-a-kind load shedding proposal from California's grid operator aims to absorb excess solar energy with storage to help solve some challenging economic and environmental problems. The California Independent System Operator (CAISO) is now developing the idea, which would allow more solar energy to make it to the grid in the middle of a … [Read more...]

Maryland Utility Proposes $44.2M Pilot for Public Purpose Microgrids

public purpose microgrids

Pepco has filed a $44.2 million proposal with Maryland regulators to build two public purpose microgrids, designed to keep power flowing to essential societal services during a grid outage and bolster utility operations on normal days. The Exelon subsidiary petitioned for approval of the microgrids before the Maryland Public Service … [Read more...]

The Sky Fell in Puerto Rico. The Microgrid Argument is not Chicken Little

microgrid

Hurricane Maria showed that warnings about the vulnerabilities of centralized electric grids – and the need for microgrid development -- are not overstated. When the hurricane hit the U.S. territory on September 20, it knocked out power to 100 percent of 1.57 million accounts served by the Puerto Rico Electric Power Authority (PREPA), the … [Read more...]

Grid Resiliency, Irma, and the Downside of Waiting until Disaster Strikes

grid resiliency

Despite a heroic effort by utilities, hundreds of thousands of customers remained without power in Florida on Monday, eight days after Hurricane Irma landed, heightening the call for greater grid resiliency. “Severe weather, like the hurricanes experienced in Texas and the Southeast, quickly put into the spotlight the fragile state of our … [Read more...]

Post Irma: Will the Southeast become the New Northeast for Microgrids?

microgrids

Microgrids are on the rise in the U.S., but not quickly enough for the millions in the Southeast who lost power this week – and continue to have none days later -- following Hurricane Irma. Perhaps most poignant, Irma underscores what loss of electricity means to senior citizens, a potentially life-threatening situation when air conditioning … [Read more...]