Restructuring Roundtable Welcome! New England Electric Restructuring Roundtable December 8, 2006

Dominion Exploration and Production Dominion Footprint Dominion Delivery Plus 1.2 million unregulated retail energy customers in 9 states 4.5 million franchise gas and electric delivery customers in 5 states Dominion Exploration and Production ~6 trillion cubic feet equivalent of proved gas and oil reserves Approximately 1.2 billion cubic feet equivalent of daily production ~ 28,100 Mw of electric generation Dominion Generation Dominion Energy 7,900 miles of natural gas pipeline Nearly 1 trillion cubic feet of natural gas storage Cove Point LNG Facility 6,000 miles of electric transmission

Dominion Generation A Balanced 28,100 MW Portfolio Generation unit mix Generation fuel mix Baseload 22% Coal 10% Gas/Other 28% Intermediate 50% Nuclear 13% 28% Peaking Purchases 28% 21% Oil

Dominion New England Generation Assets : 4,865 MW Salem Harbor 312 MW Coal (3 Units) 431 MW Oil (1 Unit) Dominion is the largest, and provides the most balanced generation portfolio in New England Brayton Pt. 1,078 MW Coal (3 Units) 435 MW Oil * (1 Units) Manchester Street 426 MW Gas CC (3 Units) Millstone 2,060 MW Nuclear (2 Units) Source: Dominion Internal Database

New England…. it’s all about the fuel!!!

ISO – NE Change in Fuel Diversity Oil Dominant Gas Dominant

ISO - NE Fuel Diversity Comparison Heavy Coal Balanced Fuels Heavy Gas More Costly

Discussion Balance is everything and what is missing… Fuel Risk – constant challenge Short term vs. long term Issue at hand

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