I would like to share an extract from the article on what problems arise with the distribution of electricity. And why Eloncity so much obespokoen it.
California October 23, 2015 – The underground natural gas storage in Aliso Canyon in Los Angeles experienced a massive leak1. This storage facility is the second-largest natural gas storage facility of its kind in the United stated, and it supplies gas to electric power generation plants throughout Southern California. The leak problem was so dire that it prompted California Governor Jerry Brown to declare a state of emergency on January 6, 2016. The Aliso Canyon incident created an environmental disaster on a larger scale than the Deepwater Horizon accident in the Gulf of Mexico. It was assessed that Aliso Canyon’s gas leak released about 5.3 gigatons of harmful methane gas into the Earth’s atmosphere. To put this into perspective, this represents an equivalent of roughly 12,800 years of the total annual emission of the entire South Coast Air Basin in Southern California. The power utilities in Southern California implemented contingency plans in anticipation of the natural gas shortages for powering the local gas-based electric plants. Meanwhile, the local residents reported headaches, nausea, and severe nosebleeds. An average, 50 children per day saw school nurses for severe nosebleeds. By January 2016, more than 6,500 families had filed for help, and nearly three thousand households, or about eleven thousand people, had been temporarily relocated. There has been numerous centralized grid disasters over the years, with some gaining worldwide notoriety like the Chernobyl and the Fukushima incidents. In the Chernobyl nuclear power plant catastrophe2, over 300,000 people were forced to relocate permanently. This nuclear accident released traceable airborne radioactive particles that were detected in every country in the northern hemisphere. As these few examples attest, the centralized grids pose increasingly unbearable impacts to the environment, health, and safety of the people that it supposes to serve.
California September 8, 2011 – A deficient equipment maintenance procedure at a transmission switch station in Yuma, Arizona, initiated cascade grid power failures that left more than seven million residents without electricity, ranging from San Diego County to western Arizona and Tijuana3. This major incident exposed the inherent susceptibility of the centralized power grid to point-vulnerabilities. Similar to the Aliso Canyon gas leak incident, a failure at one single point on the centralized power grid caused adverse impacts to millions of customers over a vast area. Natural or human-induced accidents can occur at any vulnerable point, anywhere across the complex centralized power grid that sprawls over vast geographical areas, so the existing power grid’s ability to guarantee safe and reliable energy services looks to be increasingly challenged.
Melbourne, Australia January 28, 2018 – More than 10,000 homes in Australia’s second most populous state were stuck without power due to a surge in power demands from the scorching heat wave that overloaded the grid4. This blackout was caused by a power network failure, rather than supply shortages. This occurred less than a year after Australia’s biggest city, Sydney, was hit by blackouts during another heatwave that affected more than 50,000 homes. These events often happen during an intense heatwave, where power demands can precipitously peak as customer crank up their air conditioners. Meanwhile, the grid T&D wires and electric power plants experience reduced electricity transmission and generation due to increased ambient temperature. In the foreseeable future of global climate change, cities around the world are expected to experience growing incidents of grid failures due to adverse weather, furthering adding to this problem. From heatwaves in Australia and California to frigid winter spells in the northeastern US, to hurricanes Katrina, Sandy, Rita or Maria, we witness repeated episodes of massive grid failures due to the system’s inability adapt and or absorb the disruptions brought about by climate-change induced events.
US April 14, 2016 – A study was published by Groundswell, a nonprofit renewable energy advocacy group, detailing how the cost of electricity is increasingly burdensome for America’s working class. The study reports the bottom 20 percent of earners spend about 10 percent of their income on electricity5. A few reasons for centralized grid’s high costs of electricity are as follows: (a) Five to nine percent6, 7 of the total energy produced is lost during the electricity transmission and distribution. As discussed above, the T&D losses are amplified during hot weather spells due to increasing resistance in the T&D wires and equipment as temperature rises; (b) The electricity in AC form is relatively complex and requires numerous supporting resources, called ancillary services, to ensure the delivered powers at customer sites remain within the required power quality limits. Examples of ancillary services would be frequency regulation, voltage-level regulation, and reactive-powers. Unfortunately, the required ancillary services for the AC-based centralized grid are costly and typically account for three to seven percent of the total electricity bill8; (c) Capacity services that ensure adequate power generation capacity to maintain grid reliability during periods of peak demand. The capacity services or standby capacity reserve are compulsory because the current power grid lacks real-time coordination of customer power demands to the system’s available power supply. In other words, because the real-time management of power demands at customer sites is lacking, the centralized grids procure excess generation capacity to standby just in case they are needed. These capacity services are also costly and can add up to 15 percent of the total bill9. These examples are just a few of the innate and costly inefficiencies of the centralized AC power grid design.
Eloncity company has taken up the solution to this problem and I think they will cope with the task. You can learn more about this project from official sources and read the full article on the links below.
Original article
https://www.businesswire.com/news/home/20180611006228/en/Eloncity
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