Ann M. Seha

Assistant General Counsel

Clean Energy that Worksfor Minnesota

April 18, 2012

Northern States Power Company-

WisconsinNorthern States Power Company-

Minnesota

Southwestern Public Service Company

Public Service Company of Colorado

XCEL ENERGYElectric Customers 3.4 millionGas Customers 1.9 million

NSPMElectric Customers 1.4 millionGas Customers 484,720

Xcel Energy

A balanced clean energy strategyClean, reliable and affordable power

Diverse resource mix Benefits at a reasonable cost Environmental improvement through:

Emission controlsRepoweringIncrease existing nuclear plant electricity outputRenewable energyCustomer choice with energy efficiency &

renewable programs

Changing Power Supply

$1 billion project to modernize and reduce emissions from three coal-fired plants

Converted two plants to natural gas and rehabilitated a third with new equipment and emission controls between 2005 and 2009

Metropolitan Emissions Reduction Project

Renewable Energy

A growing portion of our power supply

On target to meet Minnesota’s renewable energy standard of 30 percent by 2020

Customer Choice

In 2011, Minnesota customers: Saved 242 GWh of electricity through our energy

efficiency programs, enough to power 30,000 homesLowers customers’ billsReduces the need for new power plants

Purchased 168,441 MWh of wind energy through Windsource® (21,774 participating customers)

Producing results

Producing results