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...]

Non-Wires Alternatives: How Much, How Soon for Connecticut?

non-wires alternatives

States increasingly employ non-wires alternatives to tease out where distributed energy offers a better deal than traditional utility infrastructure – wires, poles, substations. But in Connecticut the idea is running into controversy. Utilities in the state say it’s too soon to press ahead with non-wires alternatives, while the state … [Read more...]

US Power Outages Double…Ameresco Acquires Solar Firm…Green Slowdown in Puerto Rico?

power outages

US power outages double in EIA report The US grid is generally reliable, but severe storms are taking their toll and increasing power outages, according to the Energy Information Administration. EIA reported last week that power outages nearly doubled in 2017, which the federal agency attributed to hurricanes and winter … [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...]

SDGE Plans to Release an RFP Seeking a Microgrid Controller

microgrid controller

San Diego Gas & Electric (SDGE) plans to release a request for proposals (RFP) next month seeking a microgrid controller to help it manage energy storage and renewable energy. The California utility issued a notice Tuesday signaling the upcoming RFP, scheduled for release Wednesday, December 21. The utility seeks microgrid … [Read more...]

Study Finds Los Angeles is Getting Hotter, Threatening Electric Reliability

electric reliability

It may get much hotter in Los Angeles County in coming decades, exposing grid vulnerabilities and challenging electric reliability, according to university researchers. LA County's electricity infrastructure may suffer capacity losses as high as 240 MW, as population grows and temperatures rise from 2021-2060, according to "Climate Change in … [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...]

Utilities See Future Profits in Microgrids: Survey

utilities

Utilities see microgrids and related technologies as future revenue opportunities to help counter dampened profits from their traditional services, according to a new study from Accenture. The finding came from a survey of 150 utility executives across more than 25 countries, part of Accenture’s Digitally Enabled Grid research program, now … [Read more...]

Eaton Adds New UL Cybersecurity Certifications

Power management company Eaton has added two more technologies to its growing portfolio of products certified to Underwriters Laboratories (UL) cybersecurity standards. The new UL certification are each a first in the industry in their categories, according to Eaton. The newly certified products include: Gigabit Network Card, the first … [Read more...]