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    Home»Solar»New Zealand moves forward with 8.5 TWh pumped hydro project – pv magazine International
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    New Zealand moves forward with 8.5 TWh pumped hydro project – pv magazine International

    By March 23, 2023No Comments3 Mins Read
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    The New Zealand authorities will examine the opportunity of constructing a pumped hydroelectric facility within the South Island. The mission will present as much as 8.5 TWh of annual technology and storage capability to assist the nation’s transition to 100% renewable electrical energy technology.

    March 23, 2023 David Carroll

    From pv journal Australia

    The New Zealand authorities has confirmed it is going to make an in depth enterprise case for a pumped hydro scheme at Lake Onslow, because it seeks to construct a “resilient, inexpensive, safe and decarbonised power system.”

    Power Minister Megan Woods stated the Lake Onslow facility was the centerpiece of the New Zealand Battery Undertaking, which was set as much as discover how greatest to deal with the summer time downside – when low rainfall is limiting. within the present provide of hydro-electricity – which doesn’t use fossil fuels.

    “Till we handle the dry 12 months downside, we are going to proceed to depend on burning costly and polluting fossil fuels to generate our electrical energy,” Woods stated. “Pumped hydro is a good way to retailer power in a big reservoir, which is launched right into a decrease reservoir when extra energy is required, like a large battery.”

    It’s estimated that there might be an power deficit of between 3 TWh and 5 TWh within the worst summer time, about 10% of the nation’s present annual power demand.

    The pumped hydro scheme at Lake Onslow is anticipated to supply between 3 TWh and eight.5 TWh of annual technology and storage capability, relying on the scale of the enlarged lake.

    The primary section of the investigation exhibits that the mission will take seven to 9 years to construct.

    “We have at all times identified that any dry 12 months battery storage resolution requires important funding, so it is essential that we check these situations and get it proper,” Woods stated. “Now that some extra detailed work has been carried out we’ve got a a lot clearer image of the projected value which may be very totally different from the 2006 excessive stage value. The subsequent section is to dig deeper than earlier than we are going to take a look at spending such a lot of cash, however one factor we all know is that doing something to plan for local weather change will not be an possibility.

    Woods stated the federal government would additionally proceed to research an alternate possibility that might contain a portfolio of applied sciences, together with biomass burning, geothermal power and inexperienced hydrogen, in addition to a small pumped hydro scheme. within the middle of the North Island. The choice portfolio possibility would value about $13.5 billion, Woods stated, however it will have increased working prices than the Lake Onslow pumped hydro mission.

    An in depth enterprise case is more likely to be developed by the tip of subsequent 12 months. The ultimate funding determination will take one other two years to make.

    This content material is protected by copyright and might not be reused. If you wish to cooperate with us and wish to reuse a few of our content material, please contact: editors@pv-magazine.com.

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