This is a very skeletal outline, and any resulting presentation would be expanded quite a bit [likely spliced from several different existing slide decks]. However, we wanted to submit the following to illustrate the complexity of the markets SRP participates in, and how our PI system is critical in allowing us to optimize our system and get the full benefit of participating in both bilateral and centralized markets.

Intro to Salt River Project 

-       Service territory and load size

-       Fleet size and diversity

SRP’s PI System

-       Types of data received

-       Overall structure [Plants>EMS>Foundation]

-       # of servers, interfaces, tags

Supply and Trading

-       Different teams

-       Different markets

-       Applications using PI data [PCI, etc.]

-       PI Vision Displays

-       PI in PowerBI

Western EIM

-       Overview [footprint, how it functions, etc.]

-       How we use PI data in PCI for optimization, bidding, gas burn estimation, etc.

-       Criticality of PI for successful participation