PXiSE Aims to Create “Federation of Microgrids” in Australia with DERMS

Federation of Microgrids

Sempra subsidiary PXiSE Energy Solutions plans to create a federation of microgrids to boost renewable energy in remote Australia towns under a new agreement with utility Horizon Power. Many of the isolated towns now have mini-grids or microgrids, each about 1 MW in size, that burn up to 95 percent diesel, said Patrick Lee, president of … [Read more...]

Can DC Microgrids be Simpler, Faster, Secure? Sandia, Emera Aim to Find Out

DC microgrids

In alternating current (AC) microgrids, there’s always the need to convert direct current (DC) storage, solar and other elements to AC. But with DC microgrids, all that could change -- and possibly reap simplicity, quickness, and cost savings, said Abraham Ellis, program manager for Sandia National Laboratories' renewable and distributed systems … [Read more...]

Let’s Re-Design Wholesale Market Rules To Reap The Benefits of Solar and Wind: Report

wholesale power market

Making wholesale power market rules friendlier to solar and wind energy could bring numerous cost and flexibility benefits, said a new report from a non-profit dedicated to strengthening the U.S. economy with renewable energy. Even though the prices of solar and wind energy are lower in many areas than conventional options, grid operators … [Read more...]

Making Microgrids as Simple to Deploy & Finance as Rooftop Solar

Scale Microgrid

Scale Microgrid Solutions is on a mission to make sophisticated microgrids as easy to deploy and finance as rooftop solar, said Timothy Hade, microgrid specialist for the company. “Our thesis is that at scale, microgrids have all sorts of great technical aspects that can make our total energy system cleaner, cheaper and more reliable. But … [Read more...]

US Utility Invests in Kilowatt Labs to Boost Service with Microgrids

non-wires alternatives

Until December 2017, Kilowatt Labs was still a startup company, developing supercapacitor-based energy storage and an energy server that’s designed to manage distributed energy. But after the company delivered its first product in January, Kilowatt Labs attracted more business than expected. Most recently, it garnered a $2.5 million … [Read more...]

Microgrid To Ensure Cattle on Historic Hawaii Ranch Never Go Thirsty

Go Electric

At Parker Ranch -- a cattle ranch founded in the early 1800s and the largest in Hawaii -- a 400-kW Go Electric microgrid will ensure that cattle never go thirsty due to outages that have plagued the ranch for years. Situated near the end of Hawaii Electric Light’s (HELCO) distribution line on the Big Island are pumping stations that move … [Read more...]

Cheapest Generating Resources for New Generation? Wind, Solar and Natural Gas

microgrid controller

Wind, solar and natural gas are the lowest-cost generation choices for new electric facilities, according to a recent report from the Energy Institute at the University of Texas in Austin (UT). The analysis looks at the direct and indirect costs of building, financing, operating and fueling new generation, including the environmental costs, … [Read more...]

With San Diego Airport Microgrid, No More Blackouts and $6.4M/year Saved

airport microgrid

Before the San Diego International Airport microgrid was built, the airport experienced four to five blackouts a year, each which lasted two to eight hours, according to Darr Hashempour, CEO of DH Green Energy, the consulting firm that designed and built the microgrid. The blackouts -- which occurred during San Diego Gas and Electric's … [Read more...]

A Surprise to Analysts: Less CHP in Microgrids, More Solar

CHP

Combined heat and power (CHP) provides year-round baseload energy in microgrids — something renewable resources don’t do. Yet solar PV now overshadows CHP in planned microgrid projects, according to a new microgrid database by ICF. “We see a lot of installed CHP systems in operating microgrids; it’s the largest technology in terms of capacity,” … [Read more...]

A Microgrid for Every Electric Bus Stop in Martha’s Vineyard Town

EVs, microgrids and renewables

Off the coast of Massachusetts, on the history-filled island of Martha's Vineyard, tourists may soon find themselves journeying into the future on a bus that is wirelessly charged by microgrids. The microgrids are part of the Vineyard Transit Authority's larger clean energy transportation plan, now being put in place with electric buses, … [Read more...]