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PD Editorial: Caution key to county's green energy plan

  • A county energy program would seek to purchase power from renewable sources, such as this wind farm in Solano County. (The Press Democrat)

Should Sonoma County get into the power business?

So far, the Board of Supervisors has given the idea nothing but green lights, including a vote last week to keep the initiative moving forward for at least another 18 months.

But the make-or-break point will come in the weeks and months ahead as county officials take the idea on the road to eight city councils throughout the region in hopes of currying enough support to create a joint powers authority.

Supervisors last week gave staff the go-ahead to pitch such a plan with startup costs estimated to be between $2 million and $6 million, money that would likely come from bond financing through the JPA.

Under the proposal, the agency would use the purchasing power of the region to buy electricity, ideally from renewable energy sources such as solar and wind generators. Supporters say the benefits of such an endeavor, similar to a power authority created in Marin County, would include lowering carbon emissions and, possibly, power costs while creating jobs and giving the region more control.

All of this is certainly promising. But as we've noted before, the biggest risk to this endeavor is the kind of unbridled enthusiasm that prevents the county from taking a more sober look at the true costs and risks of going into the power business.

Some of the questions we have:

• This is identified as the “Sonoma Clean Power” plan. But who will determine what constitutes “clean” or “green” renewable energy? Not everyone agrees on these terms. Hydroelectric plants, for example, are considered a major source of renewable energy, but Assembly Bill 32 only counts power from “small hydro” plants toward meeting state goals of greenhouse gas emissions. Furthermore, some scientists say the best way to reduce carbon emissions is through the construction of nuclear power plants. But it's unlikely that Sonoma County will go down that path. How will these terms be defined?

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