1. “Update on the Expansion of CSU’s Underground Electric System”
Update on CSU’s Street
Light Monitoring System
Presented by :
Timothy R. Crabb, P.E.
Assistant Director of Electric Utilities

2. CSU ELECTRIC
CERTIFICATION AREA BTU BTU
BTU
BTU CSU
BTU
BTU BTU
BTU
BTU ENTERGY

3. What is a Street Light Monitoring System?
CSU utilized the COCS
Fiber network for
communications Customer Web
Intelligent Portal
Photocontrols
Internet
Cellular
Gateway
Network Operations
Center (NOC)

4. Installation of the Street Light
Monitoring System
Initial investigation into street light outages started in 2007
RFP put out by City in August, 2008
Installed ROAM nodes and new bulbs on all Thoroughfare lighting
(2000 units) in April, 2009
Installed additional 775 nodes using CSU Crews in 2009-2010
Installed ROAM nodes and new bulbs in Residential lighting
(approx. 2000 units) in March, 2010.

7. System “Benefits”
Reduction in Street Light maintenance O&M by about $60,000/year.
Reduction in Power Usage by around 300,000 kWh/year.
 Street Light calls from customers are now almost nonexistent.
Know we lose about 10 to 20 light per major Lightning Storm.
 Presentations have been made by CSU to several groups on our
system.
We have been working with ROAM to “tweak” the system and to
solve critical problems.

9. Where are we now?

10. 12/18/11

11. 12/18/11

13. Adrian Ayala Brett Bradley Matt Marek

14. Summary
COCS still has the only complete street light monitoring system in
the state of Texas.
The system has performed as expected, and we are still on track for
it to pay for itself in savings in less than 5 years.
This is an excellent example of an automation system that works!

15. Questions?