Ameresco and Duke to Build Unusual Floating Solar Microgrid at World’s Largest Military Base

Ameresco, Duke Energy and the military are combining forces to create a unique project at Fort Bragg in North Carolina — a floating solar microgrid.  Floating solar projects — solar panels installed on buoyant structures in a body of water — have been gradually emerging worldwide over the last decade. The technology is still relatively rare … [Read more...]

Deep Savings Make Electric Buses and Microgrid a “No Brainer” for Transit Authority in California

Choosing electric buses powered by a microgrid was an easy decision for the Antelope Valley Transit Authority (AVTA), which expects significant fuel savings, resilience and cleaner air from the project in the Los Angeles , Calif. area. “This is a no brainer,” said Macy Neshati, executive director and CEO of AVTA, which provides local, … [Read more...]

Lineman’s Idea Leads to Microgrid in Great Smoky Mountains National Park

Duke Energy's Jessica Wells explores how one lineman’s idea lead to development of a Great Smoky Mountains National Park microgrid. Learn how using solar power and batteries, Duke Energy was able to remove power lines atop Mt. Sterling.  Jeff Fisher has spent more time than most in the Great Smoky Mountains National Park. Not as a tourist, but … [Read more...]

Duke Energy Acquires a Portfolio of Distributed Fuel Cell Projects From Bloom Energy

It’s the type of alliance that may be a harbinger of things to come in the energy sector: Duke Energy is acquiring a portfolio of projects from Bloom Energy that use fuel cells  — all part of Duke's efforts to provide on-site generation with microgrids to customers with critical loads. As both companies explained during interviews, the … [Read more...]

What are Non-Wires Alternatives?

Non-wires alternatives (NWAs) use distributed energy resources and microgrids to defer or replace the installation of more traditional 'wires and poles' infrastructure. When utilities choose non-wires alternatives, they often save ratepayers money by avoiding investments in costly infrastructure. By utilizing distributed energy resources (DER) at … [Read more...]

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

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

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

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 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

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...]