Exhibit 99.293 INFORMATION SYSTEMS REQUIREMENTS FOR PGBU TO ISO INTERFACE (1997-2002) IS REQUIREMENTS FOR PGBU TO ISO INTERFACE SCOPE DESIGN, IMPLEMENT, INTEGRATE, OPERATE AND SUPPORT COMPUTER AND TELECOMMUNICATION SYSTEMS, DATABASES AND APPLICATIONS TO ALLOW DIRECT INTERFACE BETWEEN ISO AND PGBU IN ORDER TO: o Share operational data o Communicate ISO's grid dispatch commands to RCCs and confirmation of facilities operation to ISO o Schedule and coordinate outage of the transmission facilities o Share data required to verify financial settlements o Share transmission planning, interconnection and access procedures and information IS REQUIREMENTS FOR PGBU TO ISO INTERFACE NEED IN RESPONSE TO INDUSTRY RESTRUCTURING IN CALIFORNIA AND FORMATION OF PX AND ISO AND TO: o Comply with "Transmission Control Agreement" with ISO o Allow for audit of system operation o Allow for verification of financial settlement between ISO and PGBU o Comply with regional reliability and regulatory requirements o Minimize conflicts between ISO and PGBU IS REQUIREMENTS FOR PGBU TO ISO INTERFACE UNDERLYING PRINCIPLES o THE FOCUS OF THIS PRESENTATION IS ON MORE THAN A SINGLE COMMUNICATION LINK BETWEEN PGBU'S EMS AND ISO'S PMS. THE IS SYSTEM SHOULD ALLOW PGBU, IN COORDINATION WITH ISO, TO: o safely and efficiently operate the transmission system o coordinate/schedule outage of transmission facilities o perform transmission planning and interconnection studies o perform regional and regulatory requirement studies and filings o receive and verify financial settlements data from ISO o pursue new business opportunities related to the interface o IN THIS PRESENTATION WE RECOMMEND BROAD SOLUTIONS AND RESOURCES FOR INFORMATION SYSTEM NEEDS RATHER THAN ORGANIZATIONAL FUNCTION REQUIREMENTS TO PROVIDE SUCH NEEDS. o WE REALIZE THAT THE CALIFORNIA'S ISO AND ITS RELATIONSHIP WITH ENERGY MARKET PARTICIPANTS ARE STILL EVOLVING AND THERE ARE ONGOING EFFORTS AT SCE AND WEPEX TO DESIGN THE ISO INTERFACES TO VARIOUS MARKET PARTICIPANTS, INCLUDING THE ISO. HENCE, THIS PRESENTATION SHOULD NOT BE CONSIDERED COMPLETE OR FINAL. o WE REALIZE THAT THERE ARE SEVERAL ONGOING INITIATIVES AT PGBU TO DEVELOP SYSTEMS AND INFRASTRUCTURE THAT REQUIRE IS SUPPORT. OUR GOAL IS TO RECOMMEND BROAD SOLUTIONS TO SUPPORT AND FACILITATE PGBU INITIATIVES. IS REQUIREMENTS FOR PGBU TO ISO INTERFACE BASIC ARCHITECTURE [GRAPH BASIC ARCHITECTURE] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE BASIC ARCHITECTURE/SCHEMATIC DESIGN [GRAPH BASIC ARCHITECTURE/SCHEMATIC DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE BROAD FUNCTIONALITY REQUIREMENTS [GRAPH BROAD FUNCTIONALITY REQUIREMENTS] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE BROAD FUNCTIONALITY REQUIREMENTS - CONT. [GRAPH BROAD FUNCTIONALITY REQUIREMENTS] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE BROAD ACTION PLAN [GRAPH BROAD ACTION PLAN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE GRID CONTROL CENTER (GCC) ACTION PLAN [GRAPH GRID CONTROL CENTER (GCC) ACTION PLAN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE GCC LINK TO ISO ACTION PLAN [GRAPH GCC LINK TO ISO ACTION PLAN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE ISO LINK TO EXISTING EMS ACTION PLAN [GRAPH ISO LINK TO EXISTING EMS ACTION PLAN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE ISO BBS TO PGBU BPS LINK ACTION PLAN [GRAPH ISO BBS TO PGBU BPS LINK ACTION PLAN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE GCC LINK TO NEW REMOTE POINTS ACTION PLAN [GRAPH GCC LINK TO NEW REMOTE POINTS ACTION PLAN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE GRID CONTROL CENTER (GCC) A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN [GRAPH GRID CONTROL CENTER (GCC) A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE GRID CONTROL CENTER (GCC) A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN [GRAPH GRID CONTROL CENTER (GCC) A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE GCC LINK TO ISO A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN [GRAPH GCC LINK TO ISO A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE GCC LINK TO ISO A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN [GRAPH GCC LINK TO ISO A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE ISO LINK TO EXISTING EMS A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN [GRAPH ISO LINK TO EXISTING EMS A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE ISO LINK TO EXISTING EMS A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN [GRAPH ISO LINK TO EXISTING EMS A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE ISO BBS TO PGBU BPS LINK A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN [GRAPH ISO BBS TO PGBU BPS LINK A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE GCC LINK TO NEW REMOTE POINTS A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN [GRAPH GCC LINK TO NEW REMOTE POINTS A PRELIMINARY INFRASTRUCTURE AND APPLICATION DESIGN] IS REQUIREMENTS FOR PGBU TO ISO INTERFACE PRELIMINARY ESTIMATE OF HUMAN RESOURCE NEED - -------------------- --------------------------------------------------------------------------------------------------- TASK H.R. NEEDS(1) - -------------------- --------------------------------------------------------------------------------------------------- 97Q1 97Q2 97Q3 97Q4 1998(1) - -------------------- ------------------ ------------------- ------------------ ------------------- -------------------- GRID CONTROL CENTER 1 IS tech. spec. 1 IS tech. spec. 1 IS tech. spec. 1 IS tech spec. 1 IS tech. spec. 3 APPS SPEC. 4 APPS SPEC. 1 IS tech. 1 IS tech. 1 Sys. admin* 1 DB ANALYST 1 DB ANALYST 4 APPS SPEC. 4 APPS SPEC. 1 APPS SPEC. 1 DB ANALYST 1 DB ANALYST 6 APPS SUP - -------------------- ------------------ ------------------- ------------------ ------------------- -------------------- GCC LINK TO ISO 1 IS tech. spec. 1 IS tech spec. 1 IS tech. spec. 2 Telecom spec. 1 IS tech. spec. 2 Telecom spec. 2 Telecom spec. 2 Telecom spec. 1 IS tech. 2 Sys. admin* 1 APPS SPEC. 2 APPS SPEC. 2 APPS SPEC. 2 Telecom sup* 2 APPS SUP. - -------------------- ------------------ ------------------- ------------------ ------------------- -------------------- ISO LINK TO 1 IS tech. spec. 1 IS tech. spec. 1 IS tech. spec. 1 IS tech spec. 1 IS tech. spec. EXISTING EMS 2 Telecom spec. 2 Telecom spec. 1 Telecom spec. 1 Telecom spec. 1 Sys. admin* 1 APPS SPEC. 1 IS tech. 1 IS tech. 1 Telecom sup* 1 APPS SPEC. 1 APPS SPEC. 1 APPS SPEC. 3 APPS SUP. - -------------------- ------------------ ------------------- ------------------ ------------------- -------------------- ISO BBS TO PGBU 1 IS tech. spec. 1 Telecom spec. 1 Telecom spec. 1 Telecom spec. 1 Sys. admin PBS LINK 1 Telecom spec. 1 APPS SPEC. 1 APPS SPEC. 2 APPS SPEC. 1 Telecom sup 1 APPS SUP. - -------------------- ------------------ ------------------- ------------------ ------------------- -------------------- GCC LINK TO NEW 1 IS tech. spec. 1 IS tech. spec. 1 IS tech. spec. 1 IS tech spec. 1 IS tech. spec. REMOTE POINTS 1 Telecom spec. 2 Telecom spec. 1 Telecom spec. 1 Telecom spec. 1 Telecom spec. 1 APPS SPEC. 1 IS tech. 1 IS tech. 1 Sys. admin* 1 APPS SPEC. 1 APPS SPEC. 2 Telecom sup.* - -------------------- ------------------ ------------------- ------------------ ------------------- -------------------- TOTAL FTE NEEDS(2) 2 IS tech. spec. 3 IS tech. spec. 2 IS tech. spec. 2 IS tech spec. 3 IS tech. spec. 3 Telecom spec. 4 Telecom spec. 4 Telecom spec. 4 Telecom spec. 8 Sys. admin* 4 APPS SPEC. 6 APPS SPEC. 4 IS tech. 4 IS tech. 8 Telecom sup.* 1 DB ANALYST 1 DB ANALYST 7 APPS SPEC. 7 APPS SPEC. 2 APPS SPEC. 1 DB ANALYST 1 DB ANALYST 7 APPS SUP. - -------------------- ------------------ ------------------- ------------------ ------------------- -------------------- - -------------------- ------------------------------------------ TASK H.R. NEEDS(1) - -------------------- -------------------- -------------------- 1999(1) 2000(1)+ - -------------------- -------------------- -------------------- GRID CONTROL CENTER 1 Apps spec. 1 Sys. admin* 1 Sys. admin* 6 APPS SUP. 6 APPS SUP. - -------------------- -------------------- -------------------- GCC LINK TO ISO 2 Sys. admin* 2 Sys. admin* 3 Telecom sup* 3 Telecom sup.* 2 APPS SUP. 2 APPS SUP. - -------------------- -------------------- -------------------- ISO LINK TO 1 Sys. admin* 1 Sys. admin* EXISTING EMS 1 Telecom sup.* 1 Telecom sup* 4 APPS SUP. 1 APPS SUP. - -------------------- -------------------- -------------------- ISO BBS TO PGBU 1 Sys. admin 1 Sys. admin PBS LINK 1 Telecom sup. 1 Telecom sup. 1 APPS SUP. 1 APPS SUP. - -------------------- -------------------- -------------------- GCC LINK TO NEW 2 Sys. admin* 2 Sys. admin* REMOTE POINTS 2 Telecom sup.* 2 Telecom sup.* - -------------------- -------------------- -------------------- TOTAL FTE NEEDS(2) 8 Sys. admin* 8 Sys. admin* 8 Telecom sup.* 8 Telecom sup.* 1 APPS SPEC. 7 APPS SUP. 7 APPS SUP. - -------------------- -------------------- -------------------- 1. Includes time critical responsibilities shown by * - BOLD LETTERS INDICATE RESOURCES NEEDED FROM PGBU, PGBU-IS OR ITS CONSULTANTS/PARTNERS. 2. H.R. needs may overlap and hence do not simply add up - in addition time critical applications will need more than 1 FTE per "resource IS REQUIREMENTS FOR PGBU TO ISO INTERFACE PRELIMINARY COST ESTIMATE(1) - ------------------- ------------------------------------------------------------------------------------------------------- TASK COST ESTIMATE - ------------------- ---------------------------------- ---------------------------------- --------------------------------- 1997 1998 1999 - ------------------- ---------------------------------- ---------------------------------- --------------------------------- GRID CONTROL Incremental H/W: $800k Incremental H/W: $50k Incremental H/W: $50k CENTER Apps Dev/supp: $800k Apps Dev/supp: $1.4M Apps Dev/supp: $1.2M - ------------------- ---------------------------------- ---------------------------------- --------------------------------- GCC LINK TO ISO Incremental H/W: $200k Incremental H/W: $20k Incremental H/W: $20k Apps Dev/supp: $150k Apps Dev/supp: $400k Apps Dev/supp: $400k - ------------------- ---------------------------------- ---------------------------------- --------------------------------- ISO LINK TO Incremental H/W: $0k Incremental H/W: $0k Incremental H/W: $0k EXISTING EMS Apps Dev/supp: $100k Apps Dev/supp: $800k Apps Dev/supp: $800k - ------------------- ---------------------------------- ---------------------------------- --------------------------------- ISO BBS TO PGBU Incremental H/W: $0k Incremental H/W: $0k Incremental H/W: $0k PBS LINK Apps Dev/supp: $200k Apps Dev/supp: $200k Apps Dev/supp: $200k - ------------------- ---------------------------------- ---------------------------------- --------------------------------- GCC LINK TO NEW Incremental H/W: $0k Incremental H/W: $0k Incremental H/W: $0k REMOTE POINTS Apps Dev/supp: $150k Apps Dev/supp: $0k Apps Dev/supp: $0k - ------------------- ---------------------------------- ---------------------------------- --------------------------------- TOTAL COST2 INCREMENTAL H/W: $1M INCREMENTAL H/W: $100K INCREMENTAL H/W: $100K APPS DEV/SUPP: $1.4M APPS DEV/SUPP: $1.8M APPS DEV/SUPP: $1.6M - ------------------- ---------------------------------- ---------------------------------- --------------------------------- - ------------------- ------------------------------------- TASK COST ESTIMATE - ------------------- ------------------------------------- 2000+ - ------------------- ------------------------------------ GRID CONTROL Incremental H/W: $50k CENTER Apps Dev/supp: $1.2M - ------------------- ------------------------------------ GCC LINK TO ISO Incremental H/W: $20k Apps Dev/supp: $400k - ------------------- ------------------------------------ ISO LINK TO Incremental H/W: $0k EXISTING EMS Apps Dev/supp: $200k - ------------------- ------------------------------------ ISO BBS TO PGBU Incremental H/W: $0k PBS LINK Apps Dev/supp: $200k - ------------------- ------------------------------------ GCC LINK TO NEW Incremental H/W: $0k REMOTE POINTS Apps Dev/supp: $0k - ------------------- ------------------------------------ TOTAL COST(2) INCREMENTAL H/W: $100K APPS DEV/SUPP: $1.4M - ------------------- ------------------------------------ 1. Cost of developing/procuring applications are not included. Only incremental H/W costs are included (e.g., the costs of building the telecom infrastructure are not included - about half of the hardware components are assumed to be already in place). It is assumed that the rooms to set up the infrastructure are already in place. FTEs are costed at the rate of $200k/yr including the overhead. Only FTEs needed for developing and supporting the applications and databases are included - FTEs needed for basic hardware and system support (e.g., system administrators) are not included. 2. Total cost may be less than the cost of individual units due to overlap.