Biden stroked the United States for hitting 200 million COVID-19 vaccinations, but demand is declining


Bloomberg

Power grid test stand-alone solar system for remote homes

(Bloomberg)-Storms and wildfires that bring down power lines and disrupt supply are nightmares on the grid around the world. Western Australia has found an alternative to completely remove remote customers from the grid. Last week, a tropical cyclone Seroja struck the state, destroying power lines, shutting down thousands of homes and businesses, and six stand-alone power systems (basically an array of solar panels) before connecting to batteries-the wrath of the storm. I was able to overcome the problem and continue to supply juice. Its resilience has greatly boosted the state-owned Western Australia ambition to become a global pioneer in building the grid of the future. The company uses a stand-alone power system (SPS) to power its vast network of 2.3 million customers in regions struggling to serve on the scale of UK Network operators around the world. We aim to replace 40% of the distribution lines. Remote customers using traditional wires and poles. Repairing after a storm or wildfire is expensive and requires caution. The sharp drop in solar and battery costs over the past few years has made stand-alone power systems an increasingly attractive alternative. Sanjeet Sanghera, Bloomberg NEF analyst in London. “Stand-alone power systems can benefit both utilities and customers.” Western Power’s SPS plan is still in its infancy. After a three-year test involving six units (according to the company, an average of 71 hours of power outages could be avoided each year), a total of 52 units were installed in 2020. This will increase to a maximum of 98 units this year and will eventually be a hit. “Critical environmental factors that can affect overhead power lines, such as storms, lightning, and wildfires, make them much more reliable than regional networks,” said Ben Bristow, Head of Grid Conversion at Western Power. Mr. says. “The market continues to mature and we enjoy this benefit by increasing the deployment of our deployments,” says Sangela, who has some drawbacks to this technology that does not completely replace poles and wires. The power grid allows for pooling and sharing of resources over vast distances, providing significant savings, but the limited capacity of stand-alone systems can hinder or slow the growth of rural communities. SPS also often relies on contaminated diesel generators as backup systems, he said, but the technology is more widely deployed, especially as global warming is expected to increase the frequency and severity of extreme weather events. He said it was the elasticity of the SPS. To Leonard Quong, BNEF analyst in Sydney. In addition, power lines have caused catastrophic wildfires around the world. For example, the 2018 camp fire in California caused billions of dollars in damage. Another Western Australian power company, Horizon Power Co., is also considering installing an SPS. reliability. The state-owned enterprise plans to deploy as many as 45 systems across its service area over the next two years, with a service area of ​​2.3 million square kilometers, larger than the Midwestern United States. WesternPower wants to be able to replace 6,000 units as follows: 23,000 kilometers (14,300 miles) of distribution lines within a network covering remote areas of Perth and Western Australia. It also helps address the problem of rapidly aging networks. “Most of our regional networks, like many power networks around the world, are scheduled for major updates,” said Bristow of Western Power. “Installing thousands of SPS units will change the way we serve local customers over the next few decades, potentially avoiding millions of dollars with traditional network updates.” Especially cost savings. May make grids around the world follow Western Power’s initiative as SPS becomes more attractive. “Grid costs are rising or leveling off, but the cost of 4-hour lithium-ion battery systems is expected to decline by 68%,” said Sanghera of BNEF. “The economics of these on-site solar plus storage solutions continue to improve.” (Updated in BNEF comments in the last paragraph. Earlier versions of this story have been modified to say distribution lines instead of transmission lines. Please see here for articles like this. Subscribe now on Bloomberg.com to get the most trusted business news sources. © 2021 Bloomberg LP