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(Chris Detrick | The Salt Lake Tribune) Skiers and snowboarders at Park City Mountain Resort in November 2013. The resort, along with other Summit County businesses, wants to obtain power from wind, sun and other renewable sources that don’t emit greenhouse gases.
Will Utah empower consumers, businesses to buy renewable energy?
Energy » Policy makers explore how to enable cities to buy green power for those who want it.
First Published Feb 24 2014 11:42 am • Last Updated Feb 25 2014 09:36 am

Making snow requires a lot of electricity. Utah’s Park City Mountain Resort, along with other Summit County businesses, wants to obtain power from wind, sun and other renewable sources that don’t emit greenhouse gases.

That kind of choice, while available in six other states, is not available in Utah. But it could be, if state lawmakers figure out a way for consumers and businesses to buy green power without shifting the costs of transmission to other ratepayers.

At a glance

Powering the utility

As of 2012, 59 percent of the power Rocky Mountain Power delivered came from coal. But that share is projected to drop to 49 percent by 2022, as the utility retires and converts parts of its coal fleet.

About 15 percent of the utility’s power comes from renewable sources, much of it from wind farms in Wyoming. Other power is purchased by the company.

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"It’s a tough deal to work through, but it has to be worked through," said Brent Giles, sustainability director for the resort’s parent Powdr Corp.

The market for renewable-power sources is restrained by a lack of competition, say reform proponents such as Summit County Council member Roger Armstrong. Many Utahns who oppose reliance on coal would like the power to "vote with their pocketbooks," but the current system won’t let them.

Rocky Mountain Power, a regulated monopoly adept at keeping rates low, decides how to generate the electricity filling most of Utah’s grid. For now it’s coming mostly from coal, although natural gas is taking a growing share.

This legislative session, Rep. Kraig Powell, R-Heber City, introduced HB110, a bill that would enable cities and counties to make bulk electricity purchases from renewable sources on behalf of residents who want it — even if they have to pay extra.

While "community choice aggregation" would stimulate demand for renewable power, it could also drive up costs for everyone, some observers warn.

Parsing power bills » Such an arrangement appears simple, but it’s anything but, according to Utah’s largest utility.

Much of what Rocky Mountain Power (RMP) bills ratepayers supports a massive pool of fixed costs associated with the wires, poles, substations and transformers that route the energy from generating sources to ski lifts, homes, industry and businesses.

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"Because of the way electricity behaves, this is the only service that has to be manufactured and delivered in the same instant that the customer wants it," RMP spokesman Dave Eskelsen said. "That’s what makes the pricing so complicated."

Accommodating choice is a minefield for states such as Utah, where state policy limits access to electrical-distribution infrastructure to sole purveyors.

If the legislation is not carefully drafted, power users receiving electricity from alternative sources could avoid covering their share of the utility’s fixed costs, which could then get spread to everyone else, according to Michele Beck, who directs the state Office of Consumer Services.

"I want to make sure we do it in a way that is administratively efficient and doesn’t shift costs," Beck said.

Generation costs, those associated with building and operating power stations, accounts for less than a third of a typical monthly bill for RMP residential customers. Transmission accounts for 14 percent; distribution 32 percent; and purchased power 23 percent.

‘A new wheel’ » Choice advocate Shawn Marshall, who helped create a green power authority in California’s Marin County, acknowledges setting up community aggregation would be hard in Utah. But Marshall contends RMP can do it without costly investments in new meters.

It’s largely a matter of separating the cost of generating the power from those associated with transmitting and distributing it, he said, then billing customers on a city’s aggregated plan to ensure their rates do cover RMP’s fixed costs.

The Utah Public Service Commission would have to develop tariffs and rules, Marshall wrote in an email, adding that "there are lessons that can be learned and practices borrowed from California that can save Rocky Mountain and the utilities commission both time and money."

Beck says that model works in states that have restructured their power markets so that ratepayers are billed separately for the energy they use and the cost of delivering it. But Utah’s system poses hurdles.

"It’s not that we have to reinvent the wheel. We have to invent a new wheel," said Beck, who serves as a consumer advocate before the PSC.

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