Utility Microgrids: Don’t Let the Meter Get in the Way of Benefits

utility microgrids

This is the latest in a series of articles focusing on ideas that emerged from Microgrid 2019, held in San Diego May 14-16. Here we look at how to make the most out of utility microgrids. Utility microgrids can yield numerous benefits to customers and communities, especially as prosumers bring new technologies and sources of power to the grid … [Read more...]

Duke Energy and the No Controversy Microgrid: Hot Springs

Hot Springs Microgrid

Again Duke Energy has scored an easy microgrid win, this time for the Hot Springs Microgrid in Madison County, which won approval last week from the North Carolina Utilities Commission. In February, the commission canceled a scheduled evidentiary hearing on the microgrid due to lack of controversy. Similarly, in 2017, Duke's 10-kW Mt. … [Read more...]

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

Hot Springs Microgrid

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...]