NAESCO Energy Resiliency Through Microgrids Jim Plourde October

NAESCO Energy Resiliency Through Microgrids Jim Plourde October 26, 2020

Hybrid Microgrids Generate Extraordinary Value UTILITY VALUE • Non-Spinning Substitute for Spinning Reserves • Demand Response • Peak Load Management • Frequency Control • “Duck Curve” Mitigation • T&D Capital Avoidance CUSTOMER VALUE • Business Continuity • Loss Prevention • Insurance Savings • Capital Avoidance Microgrid EV Charging Station Battery Storage To Grid Clean Diesel Prime Movers (Transmission Voltage) Customer Feeder(s) Customer Substation Utility Substation (Distribution Voltage) Waste –to- Electricity Solar PV or Wind 2 Microgrid Control Technology Natural Gas Prime Movers Fuel Cells

One Important Factor to a Successful Hybrid Microgrid Project is Understanding the Dynamics of the Grid… 3

MW 0 4 1 197 393 589 785 981 1177 1373 1569 1765 1961 2157 2353 2549 2745 2941 3137 3333 3529 3725 3921 4117 4313 4509 4705 4901 5097 5293 5489 5685 5881 6077 6273 6469 6665 6861 7057 7253 7449 7645 7841 8037 8233 8429 8625 It’s all about the curves Highest Financial Environment Costs 180000 160000 140000 120000 2010 100000 2011 80000 2012 2013 60000 2014 40000 2015 20000 Time (hours)

Microgrids are needed to Address Ramping, Frequency/Voltage Control, Non-Spinning Substitute for Spinning Reserve and Overall Power Quality for End Use Customers 5

Changing Perspectives 6

Not All Diesel is Dirty • EPA Tier 4 Final Soon to be Tier 5 • Renewable Diesel Fuel • Plastic to Diesel Fuel 7

POWERSECURE EPA T 4 FINAL SOLUTION VS NATURAL GAS OPTIONS 4. 541 4. 554 5. 000 4. 500 3. 300 4. 000 3. 500 3. 000 1. 655 2. 500 1. 163 1. 576 1. 065 2. 000 1. 684 1. 980 1. 436 1. 602 1. 390 1. 500 1. 000 0. 718 0. 319 0. 009 0. 496 0. 500 0. 028 0. 001 0. 007 0. 000 NOX CO SO 2 CO 2 Equiv Power. Secure Tier IV Final Power. Blocks Final Certified (x 1000) (ULSD) (x 1000) Emissions Simple Cycle CT on NG (14, 000 BTU/k. WH@Full Load) 8 0. 028 0. 003 N 2 O 0. 001 0. 000 CH 4 VOC 0. 030 0. 003 0. 001 Hg 0. 094 0. 263 0. 044 PM 10 Large Bore Natural Gas Engine 18. 8 MW Engine

MCAS Yuma Microgrid https: //www. youtube. com/watch? v=8 ma 6 DFFj 89 A 9

Modular Design Note: This is an example of a 25 MW Microgrid 10

Key MCAS Microgrid Features § EPA Tier 4 Final Clean Diesel Technology § Run-Up-Synchronization provides Standby Power in 8 Seconds § Patent-Pending Autonomous Frequency Control § Autonomous System Reconfiguration § 24/7 Remote Monitoring from Three Different States, all with Utility Cyber Security Systems § Supports 100% of Installation Load in Island Mode § Provisions for Future PV/ BESS 11

Microgrid Operating Modes Black Start Intentional Islanding Export / Load Management Autonomous Frequency Response Testing Footer 12

Benefits to MCAS, Yuma § The Microgrid provides 100% Standby Power to the Marine Corp Air Station in less than 10 seconds § The Microgrid has autonomously detected and corrected 124 CAISO underfrequency events over the past 2 years § The Microgrid has reduced maintenance costs on the Station’s aircraft cooling systems by 75% § Addition of PV/BESS is currently being planned to enhance sustainability Best Part…Provided to MCAS at Zero Capital Cost 13

Thank You Jim Plourde James. Plourde@Power. Secure. com 603. 265. 6556