North Carolina Regulators Cancel Hearing, Moving Duke Microgrid Closer to Fruition

Duke Energy

Duke Energy’s planned Hot Springs microgrid in western North Carolina moved closer to fruition earlier this week when state regulators canceled an evidentiary hearing scheduled for Feb. 25. In canceling the expert hearing, the North Carolina Utilities Commission noted that there was public support and no opposition to the proposed … [Read more...]

Three Paths Ahead as Utility Microgrids Reach Inflexion Point: Navigant

utility microgrids

Utility microgrids are at an inflexion point, according to a new report from Navigant Research. The inflexion point comes from the confluence of two trends. First is the global growth of distributed energy resources (DER). The second is a change in utility attitudes toward microgrids. According to Navigant projections, global deployments … [Read more...]

Duke Energy Proposes New Microgrid and $500M Energy Storage Investment

energy storage

Duke Energy has proposed a microgrid to serve the western North Carolina town of Hot Springs as part of a larger plan that includes a $500 million investment in energy storage over 15 years. The solar-storage microgrid will bolster electric reliability for the mountainous town served only by a 10-mile, 22.86-kV feeder line, said Zachary … [Read more...]

Florence Knocks Out Power to 1/2 Million within First Few Hours. Up to 3 Million Outages Expected

resiliency

On Friday morning, just a few hours into what is expected to be a multi-day storm, Hurricane Florence had knocked out power to half million households and businesses in the Carolinas -- and the numbers kept climbing, according to Poweroutages.us. In a news conference Wednesday before the hurricane struck, Duke Energy executives said power … [Read more...]

Can Biogas CHP Help Duke University Meet Aggressive Climate Goals?

renewable bio gas

Duke University is exploring what it takes to acquire and transport renewable biogas from North Carolina hog farms for what may turn out to be a new, microgrid-ready combined heat and power (CHP) plant on the university's main campus. The biogas project emerged after students protested plans by the university and Duke Energy to build … [Read more...]

Duke Energy Proposes 7-MW Military Microgrid at Indiana National Guard Camp

military microgrid

Duke Energy has proposed a 7-MW military microgrid at the Indiana National Guard’s Camp Atterbury training operation in Johnson County, along with battery storage at a substation in Nabb. The utility giant is seeking pre-approved cost recovery for both projects before the Indiana Utility Regulatory Commission. If okayed, the microgrid will be … [Read more...]

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...]

Energy Storage Instead of Power Plants in NYC…Duke’s Battery Play…States Still Green

as-a-service

Energy storage as solution to NYC power shortfall Thirty percent of New York City’s old fossil fuel plants are slated for retirement in the next five years. Could energy storage take their place? A new report, “New York City’s Aging Power Plants: Risks, Replacement Options and the Role of Energy Storage,” says it would be a wise environmental … [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...]

Duke Energy Builds Microgrid Control System

Duke Energy Corporation is an energy utility that serves 7.4 million electric customers in six states in the Southeast and Midwest regions of the United States. Prompted by recurring severe weather events and a goal of incorporating more renewable generation into the electric power grid, Duke Energy decided to integrate their existing renewable … [Read more...]