Topic: Xcel Energy Inc.

Why Boulder, Colo., took charge of its electric company

Running its own electric utility will allow Boulder to use more sun and wind energy instead of coal – at the same or lower cost.

Supreme Court throws out back-door bid to curb global warming

A coalition of states and conservation groups sought to use public-nuisance law to compel five energy companies to curb greenhouse gases linked to global warming. The Supreme Court unanimously dismissed the case.

Supreme Court should reject climate change nuisance suit

The Supreme Court is set to hear arguments in American Electric Power Co., Inc. v. Connecticut, an unprecedented “public nuisance” lawsuit brought against energy companies. The courts are hardly the place to set broad policy on climate change. Even Obama agrees.

Supreme Court takes global warming case that targets power companies

A global warming lawsuit aiming to force power companies to curtail carbon emissions will come before the Supreme Court next year. The suit asks for a judicial order to that effect, but would such a move usurp role of other government branches?

Wind energy to power US Mint in Denver

Wind energy will be the power source of choice at the US Mint in Denver, Colorado.

How enormous batteries could safeguard the power grid

Since sunlight and wind can be unreliable, renewable utilities install big backups.

For a spiffier electric grid: $11 billion

Utility volunteers to close two coal plants in Colorado

Citing concerns over public health and climate change, Xcel Energy is voluntarily shutting down two coal-fired power plants in Colorado and constructing one of the world's largest solar plants.