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Domestic Utility Solar+Storage PPAs

Discussion in 'Tesla Energy' started by TheTalkingMule, May 23, 2017.

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  1. TheTalkingMule

    TheTalkingMule Distributed Energy Enthusiast

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    This can't possibly be right. A 4.5cent/kWh PPA for solar+storage?

    Updated: Tucson Electric signs solar + storage PPA for 'less than 4.5¢/kWh'

     
  2. renim

    renim Member

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    looks about right 3 cents for solar, + a bit extra for the battery

    that does raise a question of equality and fairness, demonstrating that net metering is inherently not equitable or fair, that the price really should be closer to the wholesale PPA price.
     
  3. Ampster

    Ampster Member

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    In California net metering has stimulated the growth of residential solar, which has helped the state reach its GHG reduction goals. That in turn offers the prospect of better health. That is fair enough for me. The long term trend toward incentivizing EVs may have an economic justice component if the number of refineries is reduced since many refineries in California are located near disadvantaged communities. California's results may not translate globally.
     
  4. TheTalkingMule

    TheTalkingMule Distributed Energy Enthusiast

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    Until you hit 5% of total supply, net metering is perfectly fine. Simply avoiding the cost of additional fossil plant construction makes it a net positive. In more mature solar markets, it obviously becomes a very simple problem of the math not working. The southwest will need to move to an open market with "prosumer" protections that give residential solar owners priority, but still keeps them within a rational demand-based market.

    What this project really illustrates is that it's financially foolish to ever again build out ANY fossil plant in similarly climated markets. Why build a gas peaker plant when you can just put this operation out in the desert? Nevada was seriously considering a new $1B gas plant just 12 months ago, that's now a fisco-political impossibility.
     
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