Accelerating the journey to net zero

Exhibit 3 Gas demand for power will decrease on average and increase on peak days. Gas demand for power will decrease on average and increase on peak days.

Gas-fired power generation, average and peak, terawatt-hour of gas-fired generation per day

Average Peak

Midcontinent Independent System Operator and Southwest Power Pool

California Independent System Operator

Electric Reliability Council of Texas

4.4

+86%

2.4

2.4

+60%

1.5

0.8

1.7

0.5

+44%

1.3

0.9

0.6

0.3

0.1

2021

2040

2021

2040

2021

2040

Southeast and Florida Reliability Coordinating Council

Pennsylvania-New Jersey- Maryland Interconnection

Western Electricity Coordinating Council

7.0

+167%

4.3

+37%

3.1

2.6

2.6

+63%

1.6

2.3

1.8

1.5

1.5

1.2

1.0

2021

2040

2021

2040

2021

2040

McKinsey & Company

needs to balance out the three imperatives of decarbonization, affordability, and reliability.

rate. The regulatory and market mechanisms that will support such investments are the key unlocks in this regard. Addressing this challenge requires collaboration across the entire value chain—gas producers, pipeline operators, utilities or power producers (PPs), ISOs or regional transition organizations (RTOs), and policy makers—and a recognition that the solution

Pipeline and storage operators: These operators in particular will be affected by this. Together, lower average gas demand and the costs of increasing gas infrastructure capacity pose a unique challenge for pricing the delivery of midstream gas services to customers.

Accelerating the journey to net zero

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