Deployment of solar + energy storage projects to north Carolina to save electricity costs

Solar photovoltaic net news: according to foreign media reports, north Carolina utilities commission on July 3, listened to sustainable energy association) in north Carolina and solar developers Cypress Creek, a company spokesman Tyler Norris advice, its main content is in the existing power grid scale solar power plants supporting the deployment of energy storage system, can save a lot of cost.

although most of the statements are political nature, but its main content is from north Carolina state university ( NCSU） In the study of the energy storage project proposals. Suggestions to the deployment of installed capacity in 2030 for 5 gw lithium-ion batteries used in large capacity energy peak capacity and delay. If the solar power generation facilities installed capacity is rising much faster in the meantime, or electricity prices fall, the value will increase.

in the demonstration of a model, relative to & other; Overlapping peaks & throughout; （ CP) Pricing, from solar power generation facilities, solar + energy storage, deployment of energy storage system of various configurations of independence shows its cost savings. For example, an installed capacity of 500 kw of solar power generation facilities and a 500 kw / 2 MWH energy storage system to save electricity cost is $193000 a year.

at north Carolina state university ( NCSU） Energy storage project as an example of the model, a 3 mw / 3 MWh dc coupling battery energy storage system is added to an installed capacity of 7. 1 MW solar power generation facilities, a significant increase in the solar power generation facilities produce power of time, no energy storage system with department of 29% to 47% of the energy storage system is deployed.

in answer to the energy storage system can & other; Improve the value of existing power plants in north Carolina & throughout; The open questions, Norris pointed out that the state has installed capacity of 5. 4 GW of solar power generation project developers pay the cost $10 billion power grid upgrading. 。 He also pointed out that through to this resource increased energy storage capacity, can get the following benefits:

about politics and public company's delay is part of the discussion. Norris, stressed that the state of the regulated utility companies did not provide economic value for most of these services. Duke energy, he thought, not the scheduling of for solar power generation facilities, the current market access Settings for energy storage resources and some injustice and unreasonable obstacles, especially in the power purchase terms and conditions as well as power interconnection standards, which could hamper to north Carolina, the vast majority of installed renewable power generation facilities to add such resources.

north Carolina 5 when it comes to upgrade. 4 GW solar power generation facilities of other structural challenges, he points out, & other; As part of the standard process, duke energy company said if add energy storage equipment, you need to consider how to use energy storage equipment to improve the value of the renewable energy to taxpayers. ” Duke energy then launched a five-year project power purchase agreement.

even if north Carolina interconnect 1 of the program. 5. Section 2 allows to change in some cases, including power equipment, inverter, solar panels, transformer and relay control to change or replacement, and DC/AC change, but this kind of situation will still occur.

however, the halt and resold for deep seg is not completely & other; Give up what one favours & throughout; 。 According to the announcement, the flange of deep oil Long Yan big shareholders for shenzhen development group co. , LTD. ( Hereinafter referred to as & other; Idiopathic group & throughout; ） , will take a 65% stake in deep oil Long Yan while another 35% equity held directly by the deep sag. That is to say, deep seg from through subsidiaries seg Long Yan holding deep stress Long Yan changed to deep shanyou Long Yan direct participation, & other; After completion of the equity transfer, deep oil Long Yan will no longer be included in the company consolidated scope & throughout; 。

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