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To better understand these dynamics, we’ve modelled a theoretical ''microgrid'' in a residential subdivision,Totarabank, in the North Island of Aotearoa.
Another interesting finding was that the length of time the batteries were able to sustain critical loads duringunplanned grid outages was greater by about 16 hours per year, compared with the case without intelligent control. This is a remarkable resilience advantage.
Read the original article at The Conversation.
Soheil Mohseni is a postdoctoral research fellow and Alan Brent is professor and chair in Sustainable Energy Systems at Te Herenga Waka — Victoria University of Wellington.
The Energy Efficiency and Conservation Authority (EECA) has granted CentrePort $500,000 in funding to go towards installing shore power for Cook Strait ferries berthed at King''s Wharf. CentrePort is partnering with StraitNZ Bluebridge on the project.
Shore power means providing electricity to vessels while they are in berth, removing the need for them to run their generator engines, while maintaining power to their onboard systems. By utilising shore power, StraitNZ''s ferries will reduce their overall fuel consumption, improving the quality of air in Wellington''s inner-harbour. Shore power infrastructure at King''s Wharf also has the potential to increase Wellington''s energy resilience in future, as electricity generated by ferries could flow back to shore to support lifeline utilities in emergency situations.
CentrePort Chief Executive Anthony Delaney says CentrePort is targeting net-zero greenhouse gas emissions by 2040.
"We''re really proud to partner with StraitNZ to create shore power at King''s Wharf and to receive this support from the EECA. We''ve made great strides towards net-zero already, with a verified 31% reduction in emissions from our 2019 baseline, in part through a finance arrangement with New Zealand Green Investment Finance (NZGIF)."
"A critical part of making shore power available to customers is for CentrePort to generate and store energy. To enable this, we are building the CentrePort MicroGrid, which will combine embedded generation and storage on port, with capacity from an electrical connection to the Wellington grid. This means our microgrid could increase Wellington''s energy resilience, as power may have the potential to flow in either direction."
Delaney says shore power will replace conventional hydrocarbon fuels that would normally be consumed by ships while they are in port.
"We are focused on enabling our customers and supply chains to lower their emissions and increase their resilience. Shore power at King''s Wharf is our first step towards providing shore power connections for our other customers."
Delaney says CentrePort continues to focus on lowering emissions within their existing operations. Investments to date include:
Solar panels for the CentrePort MicroGrid will arrive by mid-2024. Shore power will be ready at King''s Wharf by 2025, as the other equipment required will take some time to arrive in New Zealand.
Delaney says that measuring the benefits of this technology is a core way that CentrePort can support its customers.
"We''re committed to providing certified measurement of emissions reduction within the supply chain. Our microgrid will also insulate our customers from energy price disruptions and supply uncertainty, as well as reduce CentrePort''s annual energy bill."
"The things we are doing to lower emissions complements our ongoing partnership with Zealandia to restore the Kaiwharawhara stream and increase biodiversity in Wellington."
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Shed 392 Fryatt Quay (off Waterloo Quay)Wellington
Postgraduate students Daniel Akinyele and Hatem Alzaanin from New Zealand''s Victoria University are researching the potential of wind power in the windy city of Wellington. The students are part of a newly formed power and renewable energy systems research group led by Dr Ramesh Rayudu at Victoria''s School of Engineering and Computer Science.
Akinyele is researching the use of microgrids - small-scale power generators such as a solar panels or wind turbines that could be located on residential or commercial buildings, connected to the main network or operated independently. He is investigating how microgrids can provide extra power to the network during peak times and act as a back-up source of energy following a natural disaster.
"In a major earthquake, Wellington could be left without power for days or weeks," said Akinyele. "If we had a network of microgrids, the impact could be much less severe."
The biggest challenge, said Akinyele, is making it attractive to home and business owners to install a small power generator such as a wind turbine. He suggested, "We may need financial incentives to help people cover the cost of installation."
Alzaanin is meanwhile looking at smart use of appliances to balance the fluctuating energy levels produced by wind. He is focusing on how to run appliances in the most energy-efficient way, though he noted that any solutions his research comes up with will only work if they are convenient for people to use.
"Freezers, for example, don''t need to be running all the time to keep food frozen," said Alzaanin. "Domestic devices account for around 11% of power loads. Many people would be surprised at how much power can be saved by using appliances more efficiently."
Akinyele and Alzaanin have received the only two available scholarships from Transpower, owner of New Zealand''s national electricity grid, to present their research at the New Zealand Wind Energy Conference and Exhibition, which takes place from 14-16 April at Te Papa in Wellington.
Dr Rayudu is excited two of his group will have a chance to present at the conference, saying, "It''s a great achievement for both of these scholarships to have gone to Victoria students. It shows we are becoming known as a centre of excellence in renewable energy and particularly wind power."
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About Wellington commercial microgrids
As the photovoltaic (PV) industry continues to evolve, advancements in Wellington commercial microgrids have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
When you're looking for the latest and most efficient Wellington commercial microgrids for your PV project, our website offers a comprehensive selection of cutting-edge products designed to meet your specific requirements. Whether you're a renewable energy developer, utility company, or commercial enterprise looking to reduce your carbon footprint, we have the solutions to help you harness the full potential of solar energy.
By interacting with our online customer service, you'll gain a deep understanding of the various Wellington commercial microgrids featured in our extensive catalog, such as high-efficiency storage batteries and intelligent energy management systems, and how they work together to provide a stable and reliable power supply for your PV projects.
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