Rhombus Presents at Zero Emission Bus (ZEB) Conference
Joseph Gottlieb, CTO, Thursday Sept 16, 2021
Today, I had the privilege of presenting at the Zero Emissions Bus (ZEB) Conference in Denver, Colorado. There were over 400 in-person attendees, nearly as many as the ZEB Conference had in 2019 in San Francisco. The event kicked off with a short keynote by the Jared Polis, the Governor of Colorado and the Debra Johnson, the CEO and General Manager of the Denver Regional Transit District (RTD). I was part of a panel called “Resilience: Reducing Risk Through Distributed Energy Resources”. As the name implies, the panel tackled the opportunity to utilize distributed energy resources (DERs) for improving the resilience of the electrical grid. Joining me on the panel were Cole Roberts of Arup, Tim Victor of Scale Microgrids, Nicole Geneau of AlphaStruxure, and Bill Patterson of Via Mobility.
As you can imagine, I spoke about utilizing vehicle-to-everything (V2X) charging to aid grid resilience. Part of understanding the value of V2X requires understanding the different use cases for V2X such as vehicle to grid (V2G), vehicle to building/home (V2B/V2H), and vehicle to infrastructure (V2I). V2B, V2H, and V2I are all about powering different assets (buildings and infrastructure) in lieu of a power grid, also known as “behind the meter” operation. These modes are primarily for use in emergency situations where the grid is impaired or no longer present, such as extreme weather events or wildfires. V2G differs from these in that it allows power to be put directly on the grid. This is often utilized to help support the grid during peak demand hours (5pm to 9pm in most metropolitan areas), but can also be used to support the grid during excessive demand such as during extremely hot or cold weather when the demand exceeds the capacity of the grid. In either case, the idea is utilizing the “portable” power storage capacity in the batteries of EVs as DERs. Both the V2B/V2H/V2I and the V2G use case are becoming more important as electrification increases in pace, and weather extremes become more pronounced, which is why a number of organizations and government agencies are putting a lot of energy and money into V2X.
If you are looking for made in the USA high-power DC fast charging systems for those EVs, look to Rhombus Energy Solutions. Our market-leading bi-directional EV charging systems (which are designed from the start for the needs of fleet operators) are designed and built in the USA. Rhombus also excel in the design of high-power smart inverters for next-generation renewable energy and energy storage deployments. Our expertise in energy management system (EMS) software is also embedded in our VectorStat EMS controller and software which is embedded in our EV charging systems and smart inverters. We have built over a thousand V2G-capable high-power, high-reliability chargers and bi-directional smart inverters for a variety of different sizes and classes of EVs.