Xcel Energy to Build 7 Community Microgrids. Negotiating with Siemens and Fluence

microgrids

Xcel Energy is seeking regulatory approval to move forward with seven microgrids, at a cost to the utility of $23.4 million, chosen from a community resilience solicitation that the Colorado utility issued in May. The microgrids will serve the Denver International Airport Automated Guideway Transit System; National Western Center; Denver Rescue … [Read more...]

Yes, Solar Plus Storage is Cost Effective

solar plus storage

Ryan Shea and Madeline Tyson of Rocky Mountain Institute show why commercial customers paying demand charges and time-of-use rates should seriously consider an investment in solar plus storage, a common technology used in microgrids. As shown in a recent RMI report, battery energy storage costs are less than a fifth of what they were a … [Read more...]

Microgrids Installed at 10 Puerto Rico Schools

school microgrids

In Puerto Rico, 3,600 children will now study in buildings with secure electricity thanks to the installation of school microgrids by the Rocky Mountain Institute (RMI), Save the Children and Kinesis Foundation. The microgrids were installed in 10 schools, many of which had no power for six months after hurricane Maria destroyed the island's … [Read more...]

First-of-a-Kind, Triple-Tasking, Front-of-Meter Microgrid in Sonoma, California

front-of-meter microgrid

A front-of-meter microgrid located at the Sonoma Valley Unified School District has set out to become the first to achieve three goals: help bring more solar online, participate in wholesale markets and charge electric school buses. “This has never been done successfully,” said Nick Tumilowicz, principal manager, grid integration of distributed … [Read more...]

Santa Barbara School District Looks at 18 Sites for Microgrids. Intends to Issue RFP

microgrids

California’s rapid embrace of microgrids continued this week with a Santa Barbara school district approving feasibility studies for solar microgrids that it wants to fast track at as many as 18 sites. The Santa Barbara Unified School District voted Monday to hire the Clean Coalition and Sage Energy Consulting to conduct the studies and … [Read more...]

Sweden’s Summer Sunshine Stored in Hydrogen for the Winter

microgrid

Renovations to six public housing buildings in the small town of Vårgårda, South West Sweden will allow them to run on renewable energy all year round. Electricity and heat from a microgrid combining solar panels, batteries, heat pumps, hydrogen production and storage and hydrogen fuel cells will supply the 172 apartments. “We will be … [Read more...]

California Utility Builds Solar Microgrid in 27 Days to Avert Wildfires in Sierra Nevadas

SCE

A solar microgrid, built in 27 days in cold and windy weather, was Southern California Edison’s (SCE) solution to an urgent need to avert wildfires near a remote dam in the Sierra Nevada mountains. Installing the microgrid in November allowed the utility to turn off a line that provided power to the site of the Gem Dam, part of the Rush … [Read more...]

Australian Town at Times Reaches 90% Renewables with Chevron-backed Microgrid

microgrid

Sophie Gale from One Step of the Grid reports on a Chevron-backed microgrid in Western Australia that has significantly enhanced a town's ability to use renewables. Horizon Power’s poster child for the shift to a distributed renewable grid, the Western Australia (WA) Pilbara town of Onslow, says its solar and battery microgrid is already helping … [Read more...]

A Good Trade to Keep the Lights on in San Francisco’s Bay Area

energy resilience

With electric reliability now precarious in the San Francisco Bay Area, community power suppliers are making a deal with customers that benefits both: We give you low-cost energy resilience, you let us tap into your battery storage. Part of the goal of the innovative program is to help customers avoid public safety power shutoffs from … [Read more...]

Traveling the Toughest Miles to Bring Light: the Manipur Microgrid Project

Manipur microgrids

Some microgrids are easy to install; others not so much. The Manipur microgrids found in remote India fall on the far side of ‘not so much.’ Workers trekked many miles of steep, mountainous, often unpaved terrain to install inverterless, DC solar-storage microgrids in 3,026 homes across 112 villages in 10 districts spread out over a large … [Read more...]