Stillwater Utilities Authority presentation of the Power Generation Station Project update on March 23, 2015.

1. POWER
GENERATION
STATION
(PGS)
Project Update / March 23, 2015
Loren Smith
Generation and Transmission Division Manager

2. History of the SEU
Stillwater is the 2nd largest
municipally owned electric
utility in Oklahoma and the
largest municipal electric
generator in the State.
Stillwater has owned its
Electric Utility since 1901
and began generation of it’s
own electricity in 1903.

3. Boomer Lake Station

4. Feasibility Analysis
1. Rebuild Boomer Lake
Station
2. Build a new State of the
Art Generation Facility
3. Get out of the generation
business
Was it economically feasible to build generation
in the City of Stillwater?

5. GRDA Contract
August 5, 2013 Stillwater Trustees approved the wholesale
purchase power contract. Following signing of contract Stillwater
Trustees authorized staff to:
• Enter into a formal professional
services agreement with Burns &
McDonnell
• Complete the land exchange with
the Commissioners of the Land
Office
• Work with JP Morgan on the bond
underwriting for the project

6. PGS Project Overview
Final approval received on June 2, 2014
3- 25,000 horse
power natural gas
fired reciprocating
engine/generators
56 MW Output
Control
Room/Admin.
Maintenance
Facilities
New electrical
Transmission and
Distribution
substation.

8. Procurement Status
• The total project cost is estimated at just under $70 million
• The total project will have 34 procurement packages/bids
– Included: equipment, materials, construction, and services
necessary to construct the facility
• To date 17 of the 34 bids have been released
– Trustees have approved bid recommendations on 9 of them
– Others are still out for bid or are in the evaluation process
• To date we have, or are in the process of finalizing, equipment
and services contracts that total approximately $38.5 million
• We are estimating that for the equipment/services currently
under contract that we are approximately $4.4 million under
budget

10. Variables out of our control
Construction
Construction scheduled to begin July 2015
Tentative Commercial Operation date June 30, 2016
ODEQ air permit
Weather
ONG pipeline

11. • Site Prep Design
• Underground Utilities Design
• Final Grading and Drainage Plan
• Site Finishes Design
• Power Generation Building
Foundation Design
• Admin Building Foundation Design
• Major Equipment Foundation Design
• Miscellaneous Foundation Design
• Exhaust Duct Drawings
• Plant Steel Erection Drawings
• Preliminary P&IDs
• Equipment Layouts
• Motor List
• Fire Protection Design
• Under-slab Utilities
Engineering Status
• Engine Hall Piping Design
• Maintenance Area Piping Design
• Plant Electrical One-Lines
• Underground Duct Bank Design
• Underground Grounding Grid
• Electrical Equipment Layouts
• LV and MV Switchgear Schematics
• Wartsila Communications Design
• Control Room Layout
• I/O Design
• Substation Foundation Plan View
• Substation Steel Drawings
• Steel Calculations
• Substation Above Ground
• Substation Switchgear Building Layout

12. Water Line Project
Natural Gas Line
Project
ODEQ – Title V Air
Permit
Fiber optic
communication to
the New Power
Generation Station
69,000 Volt
transmission
system
improvements
Southwest Power
Pool (SPP)
registration
GRDA
communication
connection to the
new PGS
City of Stillwater
Use By Right permit
application
Off-Site Projects & Permitting

13. All projects are
expected to be
completed by
the commercial
operation date
of June 30, 2016.
At this time the
PGS project, and
the parallel
projects are on
schedule and
under budget.
Project Completion

14. Questions