Montgomery County, Maryland built microgrids at Public Safety Headquarters and Correctional Facility

Situation

  • After a deadly gale caused widespread outages, Montgomery County set out to find private partners to help mitigate the impact of future disasters to its over 1M residents.
  • After robust bidding, Schneider Electric was selected to deliver two advanced microgrids to improve resiliency and sustainability at the Public Safety HQ and Correctional Facilities.


Approach

  • Deliver via innovative, public-private Microgrid-as-a-Service model eliminating host up-front costs
  • Infrastructure upgrades (low- and medium-voltage gear)
  • 3.6 million kWh solar PV
  • Natural-gas generators
  • 7.4 million kWh combined heat and power
  • Advanced controls and monitoring
  • Advanced cybersecurity
  • Public Safety Headquarters (county’s largest building 408,000 square feet):
  • Large electrical upgrades
  • New 2 MW Solar
  • Load management with BAS
  • New high-efficiency Cogen
  • Integrate Existing gas generator
  • Correctional Facility (1k occupants)
  • Minor Electrical Upgrades
  • New 250 kW Cogen
  • Integrate existing Diesel

Outcomes

  • Improve resiliency of county operations by upgrading existing aging electrical distribution infrastructure
  • Provide the ability to island operations for >7 days without grid support
  • Mitigate risk of escalating energy price over 15 years.
  • Upgrade infrastructure without capex
  • Reduce greenhouse gas and other emissions
  • Create replicable models for other facilities and governments

Schneider Electric