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Case Study
- 3. 2 PowerSecure A Leader in the Microgrid Market of all US installed microgrid sites 1428 of 1547 basic microgrid sites 1.2 of 1.9 GW basic microgrid capacity 68 of 125 advanced microgrid sites 78 of 493 MW advanced microgrid capacity 85% #1 #3 #1 #1
- 4. 3 Microgrid Solution Delivery Structure Vertical integration of equipment and services allows for a supply of consistent value to our customers and utility partners Stand-by Resiliency Peak Load Management Demand Response Energy Efficiency Reliability as a Service 1 2 Sales & Business Development Economic Value Stacking 3 4 5 6 Engineering/ Design Manufacturing/ Procurement Construction Commissioning 7 8 Monitoring Service/ Maintenance PowerSecure Distinguishes Itself as an EPC+ Microgrid Solutions provider
- 7. 6 Coal plants retiring Increased renewables (duck curve) Energy efficiency (lower kWh usage) Electric vehicle chargers Stricter emissions standards
- 8. 7 Distributed Energy Resources (DER’s) and Microgrids • Systems and technology to capture and optimize value stacking are developing • DER technology and reducing price points improve economics • Expanded deployment of DERs will further enhance value streams Utilities Are Increasingly Embracing DER’s • Distributed microgrids will allow for more dynamic grid capacity/frequency controls • Utility standards and interconnection requirements generally lag behind • Regulations need to catch-up to address and maximize microgrid functionality • Growing interest in supporting its customers/members with on-site DERs • Federal sector desire to improve energy resiliency (large customers) • Increasing utilization of DERs to provide flexible capacity resources Technology is improving microgrid functionality and ability to interact with the grid Revenue and value streams for utilities and its customers are increasing
- 9. 8 Anatomy of a Complex Microgrid Microgrid Controls and Communications – Where Are We Now? PREDICTIVE ANALYTICS Real-time predictive maintenance and Load Management RATE OPTIMIZATIONS Real-time fuel and utility rate information MICROGRID CONTROLLER Intelligent Energy Asset Management combined with Plug and Play Deployment CYBER SECURITY Secure remote interface to Cloud and Customer Monitoring and Control Assets ENERGY ASSETS Intelligent control of any and all energy asset combinations CONTROL GATEWAY Totally integrated control and communications architecture and hardware
- 10. 9 APC Smart Neighborhood Case Study
- 11. 10 Objective Design and build a first-of-a-kind communities to prepare Southern Company and its subsidiaries for future grid and customer expectations Scope Demonstrate distributed energy resources (DER) use cases optimizing cost, reliability, and environmental impact with a community-scale microgrid or behind-the-meter solar & storage Demonstrate high-performance homes with connected technologies providing an improved customer experience Demonstrate buildings-to-grid integration with real-time utility-to- customer interaction
- 12. 11 PARTNERSHIPS
- 13. 12 RESEARCHCOMPONENTS 1 2 3 4 Overview of the Neighborhood Building to Grid Integration Distributed Energy Resources Connected Home Devices
- 14. 13 Demonstrate 62 high-performance homes with connected home technologies providing an improved customer experience
- 15. 14
- 16. 15 Smart Neighborhood Baseline Neighborhood Savings (kWh) Peak (kW) Summer Peak Reduction Peak (kW) Winter Peak Reduction 44% 3.16 3.77 16.1% 5.08 7.71 34.2% -- 2 3 4 5 6 7 8 9 1 3 5 7 9 11 13 15 17 19 21 23 kW Hour Average Household Winter Load (Jan 2018) SN Baseline 0 0.5 1 1.5 2 2.5 3 3.5 4 1 3 5 7 9 11 13 15 17 19 21 23 kW Hour Average Household Summer Load (Aug 2018) SN Baseline Summary Information
- 18. 17 Demonstrate DER use cases optimizing cost, reliability, and environmental impact with a community-scale microgrid
- 19. 18 Solar Panels – Canadian Solar MaxPower 330kW AC Load Bank – Simplex Titan 400 500kVA/400W Resistive/Reactive Microgrid Controller – Oak Ridge National Laboratories BESS by PowerSecure – Samsung MEGA E2 Siemens Sinamics Inverters 852kWh/360kW (.5C) Switchgear – NexGear by PowerSecure Inverters – SMA Tripower 30kW x 11 Strings Meteorological Station – Campbell SCI Solar 1000 Generator – Natural Gas PowerBlock by PowerSecure 400kW Standby
- 20. 19 System Operation • Solar: Provide energy to Smart Neighborhood, excess to grid • BESS: Provide active frequency response, grid stabilization • Generator: Provide capacity to Smart Neighborhood or to grid • Utility: Provide/take balance of capacity/energy to stabilize Base Case • Solar: Provide energy to Smart Neighborhood (if available) • BESS: Provide ride through capacity to generator • Generator: Provide capacity to Smart Neighborhood for duration of outage • Utility: Inactive • Solar: Provide energy to Smart Neighborhood, excess to grid • BESS: Charge during non-peak hours, discharge during peak hours • Generator: Inactive • Utility: Provide/take balance of energy to Smart Neighborhood Standby Mode (Loss of Utility Power) Grid Interactive
- 24. 23 Home Devices Smart Refrigerators Cameras Lighting Controls Smart Thermostats iPad Controls and more …
- 25. 24 Microgrid Data and Lessons Learned
- 26. 25 R&D Components- Internal Efficiencies Manage Behind-the- Meter Assets Energy Use Optimization Buildings as a resource Create load shapes High-Performance Homes Passive Thermal Energy Storage Tighter envelope Advanced Building Energy Systems Potential Revenue & Rate Design Impacts Informed Load Forecasting New building codes & standards How to price energy with tech options Renewable Energy Grid Integration Localized solar + storage New infrastructure needs Balance grid & customer benefits
- 27. 26 ECONOMIC USE CASE The Shannon-Oxmoor Road Microgrid was installed in a robust distribution area with lower than average reliability concerns. Upgrades here are not expected for decades, but can range in cost from $100k for reconfiguration to $2.5M for a new substation. Microgrids or simpler systems can be used as Non-Wire alternative solutions to grid issues. Microgrids tend to be installed in places with higher than average reliability concerns or specialized processes that would be costly to interrupt. Non-Wire Alternatives can also be used to defer large capital upgrades.
- 28. 27