How Microgrids Earn Revenue and Serve the Central Grid

Grid-connected microgrids earn revenue by selling what are known as 'ancillary services' to the central grid. These services help keep power flowing in a stable fashion. Offering these services makes a microgrid valuable well beyond the buildings it powers. The microgrid becomes an asset to society at large. Read more in the following excerpt from … [Read more...]

S&C Electric Offers an Energy Storage Model for the PJM Ancillary Services Market

S&C Electric Company is serving  PJM's ancillary services market with a 150-kW energy storage system located at its global headquarters in Chicago. The PureWave Community Energy Storage (CES) system will provide fast-response frequency regulation.As S&C pointed out in its news release this week, frequency regulation  minimizes the … [Read more...]

S&C Electric’s Energy Storage Serves PJM Ancillary Services Market

Most  news about wholesale electricity markets involves power trades. But increasingly another, more arcane side of the market is coming to the forefront: ancillary services.Ancillary services  can bring greater reliability and efficiency to grid operations by correcting short-term imbalances, such as sudden changes in voltage or frequency.Grid … [Read more...]

Green Mountain Power Builds Microgrid to Revitalize City

Green Mountain Power has begun building what is believed to be the US’ first solar microgrid in a brownfield landfill,  part of project to revitalize Rutland City.The Vermont utility is installing 7,700 solar panels that can generate 2 MW, backed up by a 4-MW battery storage system.Called Stafford Hill Solar Farm, the $10 million microgrid … [Read more...]

National Energy Storage Group Seeks Redesign of Texas Wholesale Market

We may soon hear a lot more about energy storage in Texas, where the Energy Storage Association is now contributing to wholesale market redesign efforts.The national organization is focusing on the ancillary market within the  Electric Reliability Council of Texas(ERCOT), the regional transmission organization that serves most of the state. … [Read more...]