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Business and Technical Lessons Learned
from a Post-Merger P6 Integration Project
Patricia Champagne, PMP
Greg Hunt, PMP
GenOn Energy
GenOn Profile: Who We Are Today
– GenOn is a competitive energy company 
that produces and sells electricity in the 
United States.
– The company operates an asset 
management and energy marketing 
organization from its headquarters in 
Houston.
Background
GenOn at a Glance
Corporate HQ: Houston, TX
Located in: 12 States
Number of Employees: ~3,400
Generating Capacity: 23,692 MW
Generating Stations: 47
Background
Customers include:
Utilities: Generate, transmit, and distribute power to retail or
wholesale customers.
Municipal systems: Owned and/or operated by a city that
generates and/or purchases electricity.
Aggregators: Marketers who pool customers to buy large
volumes of power.
Electric-cooperative utilities: Utilities owned by and operated for
the benefit of those using the service. The utility company
generates, transmits, and/or distributes supplies of power to a
specified area not being serviced by another utility.
Generators: Produce electricity intended to be sold at wholesale.
Marketers: Entities that become an owner or controller of power
for the purpose of buying and selling the power at wholesale.
Background
Background
The Merger
In December 2010, GenOn Energy was formed through the 
merger of Mirant and RRI Energy.
The two companies were very similar in size and business 
model.
Background
The merger Increased the Diversity & Scale of Operations
Background
The strategic rationale for the merger included:
• Significant near‐term value creation driven by annual 
cost savings of $150 million
• Strengthened balance sheet and enhanced financial 
flexibility
• Increased scale and geographic diversity across key 
regions
• Well positioned to benefit from improvement in 
market fundamentals
Background
Cost Savings was a particularly important goal:
• $150 million in annual cost savings
• Achieved through reduction in corporate overhead and 
G&A, including:
– Consolidating two headquarters
– Accounting, finance, human resources, administrative
– IT systems
– Costs to achieve of $125 million
• Expected run‐rate cost savings fully realized starting in 
January 2012
• Consolidating the two headquarters would result in the 
elimination of the headquarters and data center in 
Atlanta.
Background
This was one of merger’s integration projects. It’s goals:
– Merge P6 Databases into a Single Database & Environment
– Provide a 2‐way Interface between SAP and P6
– Minimize Loss of Capability for Either User Group
Background
What Follows
Approximately 75 Things we learned in 
managing this project. These address:
– IT & Business Culture
– Staffing
– Project Planning
– Technical
Culture
Define the IT culture up front
– Philosophy
– Expectations
– Ways IT interacts with users
Culture
Define the Business Culture up front
– Philosophy
– Expectations
Culture
• Frame the application’s role in the new 
company.
• Make People Feel Safe Being Candid
Culture
• If you don’t know something, say‐so then find 
out.
• Communicate liberally.
Culture
• Don’t assume what didn’t work in one 
company won’t work in the new one.
• Expect decisions to take longer.
Staffing
• Find out who your sales rep is early. Oracle 
may want to change them.
• Assign a new Oracle Support Administrator 
BEFORE the current ones are gone!
• Get everybody on a common Oracle Support 
CIS early.
Staffing
• Find out who is relocating and allow time for 
that. Also allow for trips home, etc.
• If you have retirement eligible workers on 
staff, expect some of them to chose that over 
the new company.
• Define Roles & Responsibilities
Staffing
• Make sure some people staying with the 
company go to the integration meetings.
• Include BOTH technical and business 
application owners in the integration 
meetings.
• Make sure every application has an IT owner 
from day 1.
Staffing
• Be flexible on severance dates.
• Attitude is just as important as Business and 
technical knowledge when selecting severance 
dates.
• Use Outgoing staff for Infrastructure Work, 
One‐time work, Knowledge Transfer & 
Documentation
• Use Retained Staff for Application Work
Staffing
• Use contractors. But mostly for 1‐time tasks & 
knowledge transfer (do with you, not for you).
• Go to the other person’s location.
• Create a merger PMO office prior to the 
merger
Planning
• Build a CPM schedule for merger activities
• Know the Schedule for Moving Other Apps
• Plan around Infrastructure Moves
Planning
• Time conversions based on business 
considerations.
• Allow Extra Time for Hardware & Other Setup 
Requests
Planning
• If you are moving to Primavera release 8.0 or 
8.1, give yourself time with P6 Web.
• Figure out how you are going to move servers 
with minimal outage time.
Planning
• If a decision requires a committee – form that 
immediately!
• If you don’t have dev/test environments & 
processes, fix that first.
Planning
• If a Decision Requires a Committee – Form 
that Immediately!
• If you don’t have dev/test environments, you 
need to build them.
Planning
• If you are going to integrate systems, train 
people on them first.
• If systems are to be integrated, plan well in 
advance for synchronized test data. 
• First, get on one system and minimize change 
backwards or forwards.
Planning
• If you plan forward change anyway, impose it 
on those not learning a new ERP system.
Technical
• Create Multiple Databases
• Divide Up the Literature
Technical
• Get IT on a common Oracle account
• Log every issue with Oracle while trying to 
solve it
DO THIS NOT THIS
Technical
If you are an MS Access fan
• Install P6 Stand‐alone with MS SQL on your 2nd PC and create 2 
databases.
• In each production DB, create a project with one calendar for 
each activity, export it, and import it into a MS‐SQL database.
• You can now easily read the calendar blob field and find 
duplicate calendars. 
Technical
Other things I used MS Access for
• Making a global calendar a project‐level calendar
• Swapping out one calendar for another (e.g. a duplicate for the 
original so that I can then delete the duplicate).
• Making a global activity code a project‐level activity code
• Merging activity codes
• Swapping out the Maximo‐centric activity IDs with their SAP 
IDs.
Technical
• Consider 3rd Party Tools (e.g.XENA)
• Give administrators a 2nd PC
Technical
• Get the IT components in synch
• Prioritize correction of performance issues
• If you aren’t merging domains quickly, disable 
LDAP right away
• If you migrate projects via export/import, 
make sure Citrix is mapped to a drive in th 
data center
Technical
• Don’t Bring over Everything
• Use Codes to Flag Projects for Migration
• Create Integration Check Layouts
Technical
• Have Cleanup Databases
• Pay attention to Citrix home directories
• Get as‐built documentation from the vendors
Technical
Create SharePoint Sites for Integration Work:
• Plant rollover dates
• Data Conversion Data
QUESTIONS?

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Business and technical lessons learned from post merger p6 integration project ppt