Data Centers Push Microgrids Into Routine Grid Operations — SkimNews
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- EPRI's Jackie Baum told the Building an Advanced Energy Ecosystem Conference that microgrids can do more than provide backup power, using distributed energy resources to help utilities manage peak events and voltage issues during normal grid operations.
- Data centers with loads above 50 MW are driving up the typical size of microgrids, with some projects large enough to require transmission connections, according to Baum.
- PNM's Jon Hawkins said microgrids lack the standardization of solar or storage, quipping "If you've seen one microgrid, you've seen one microgrid," which makes interconnection a longer, more involved process at his utility.
- PNM has about 40 MW of leeway under its balancing authority requirements while some proposed data centers could reach 300 MW, making sudden net load shifts a potential frequency and stability concern, Hawkins said.
- Sandia National Laboratories is building four scenario-based grid engineering facilities to stress-test power electronics, controls, storage, and inverters with faults, cyberattacks, and stressed operating conditions before commercial deployment.
- Kit Carson Electric Cooperative is developing five microgrids including battery-based systems and a clean hydrogen project, with CEO Luis Reyes citing a 2011 seven-day natural gas outage that left rural New Mexico communities without service during a severe cold snap.
Why it matters: For utilities in data center growth corridors, the mismatch between custom microgrid projects and routine grid tools is now an operational risk: PNM carries roughly 40 MW of balancing headroom against proposed data center loads reaching 300 MW, a gap that makes repeatable interconnection standards and hardened equipment testing a near-term priority rather than a long-term ambition.
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