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SAN DIEGO (KGTV) — As California deals with its worst energy crisis in two decades and the threat of more rolling blackouts, a lot of people are wondering who -- or what -- is to blame.Energy experts say last weekend’s blackouts are raising new questions about the way the state manages its electrical grid. California is the only state in the west that uses an independent system operator, an entity known as Cal ISO.“This is really just a demonstration that the reliability of the grid is less reliable with [Cal ISO] than when we just had regular utilities,” said San Diego-based energy consultant Bill Powers.Cal ISO manages 80 percent of California’s power grid. It manages the flow of electricity for investor-owned utilities like an air traffic controller manages the flow of privately owned airplanes down a runway. City-owned utilities like the Los Angeles Department of Water and Power are not part of the Cal ISO system.Cal ISO, previously known as CAISO, was formed in 1998 after regulatory changes during the Clinton administration that were designed to make the energy market more competitive.Powers said the fundamental idea was simple: “instead of having these monopoly utilities controlling everything, let's open up the transmission systems.”But it didn’t take long for flaws in the system to emerge. In 2001, market manipulation from companies like Enron prompted dozens of rolling blackouts.In other states like Arizona, utilities are responsible for the electrical transmission within their service territory. Those utilities are able to rapidly respond if conditions prompt the need for additional power generation, Powers said.“[It’s] one-stop shopping. Here it’s two-stop shopping,” he said. “You've got another layer of fat in there. And if that layer of fat is playing the game a different way, simply making sure everyone is covered, then you have the potential to have a breakdown. And we're now experiencing a breakdown.”The most recent major breakdown was in 2011, when 1.4 million San Diegans suddenly found themselves in the dark.A federal investigation into the Great Blackout of 2011 cited “inadequate real-time situational awareness” -- basically bad grid management -- and faulted several entities, including Cal ISO.Edward Lopez, the executive director of the Utility Consumers’ Action Network, said last weekend’s rolling blackouts were another example of bad grid management.“This is an indication that, again, this statewide organization needs to be better prepared and ready to jump into action quicker,” he said.Cal ISO blames another state agency for the recent rolling blackouts, the California Public Utilities Commission, along with California’s evolving energy portfolio.About one-third of the energy California now generates in-state is from renewable sources like solar and wind. When clouds roll in and the winds subside, that can be a problem.“Lack of resources, the heat, those go into account,” Lopez said, “but on the other hand, this was not unpredictable.”Even though more Californians have been staying home due to the pandemic, last weekend’s conditions were not particularly remarkable, he said. With the impact of climate change, above normal temperatures are expected to become more common.One solution to California’s renewable energy problem, he said, is to invest in more energy storage.Cal ISO’s own data shows energy demand last weekend was lower than in previous peak years and there were reserves available, Powers said.“Why do we keep reserves if we’re not willing to use those reserves when conditions get tight?” Powers said.City-owned utilities like LADWP that are independent from Cal ISO did not experience rolling blackouts, one reason Powers thinks there’s a problem with California’s energy air traffic controller.“Maybe we need better rules. Maybe we need a different system,” he said. 3871

SAN DIEGO (KGTV) -- California health officials have released new guidance Friday night increasing the limit on the number of households allowed to attend private outdoor gatherings. According to the California Department of Public Health website, the new guidance allows no more than three households to gather outdoors, including hosts and guests, and gatherings should be kept to two hours or less.The new guidance goes into effect in San Diego County on Saturday."Gatherings may occur in outdoor spaces that are covered by umbrellas, canopies, awnings, roofs, and other shade structures provided that at least three sides of the space (or 75%) are open to the outdoors," state health officials said.If the gathering is taking place at someone’s home, guests may use a bathroom inside the residence as long as they are frequently sanitized."The host should collect names of all attendees and contact information in case contact tracing is needed later," state health officials said.The new guidance comes with a reminder that "people at higher risk of severe illness or death from COVID-19 (such as older adults and people with chronic medical conditions) are strongly urged not to attend any gatherings.""Anyone with COVID-19-like symptoms should stay home. If you attend a gathering and develop COVID-19 symptoms within 48 hours of a gathering, you should notify everyone who was there," state health officials said.Attendees need to continue following safety guidance including keeping at least six feet apart from non-household members and wear face coverings."A gathering of no more than three households is permitted in a public park or other outdoor space, even if unrelated gatherings of other groups up to three households are also occurring in the same park or other outdoor space. If multiple such gatherings are occurring, mixing between group gatherings is not allowed. Additionally, multiple gatherings of three households cannot be jointly organized or coordinated to occur in the same public park or other outdoor space at the same time – this would constitute a gathering exceeding the permitted size," state health officials said.READ THE STATE'S NEW GUIDANCE BELOW:Mandatory Requirements for All GatheringsAll persons planning to host or participate in a private gathering, as defined above, must comply with the following requirements. Local health jurisdictions may be more restrictive than this guidance. Refer to your local guidance for what is allowed in your area.1. AttendanceGatherings that include more than 3 households are prohibited. This includes everyone present, including hosts and guests. Remember, the smaller the number of people, the safer.Keep the households that you interact with stable over time. By spending time with the same people, risk of transmission is reduced. Participating in multiple gatherings with different households or groups is strongly discouraged.The host should collect names of all attendees and contact information in case contact tracing is needed later.2. Gather OutdoorsGatherings that occur outdoors are significantly safer than indoor gatherings. All gatherings must be held outside. Attendees may go inside to use restrooms as long as the restrooms are frequently sanitized.Gatherings may occur in outdoor spaces that are covered by umbrellas, canopies, awnings, roofs, and other shade structures provided that at least three sides of the space (or 75%) are open to the outdoors.A gathering of no more than three households is permitted in a public park or other outdoor space, even if unrelated gatherings of other groups up to three households are also occurring in the same park or other outdoor space. If multiple such gatherings are occurring, mixing between group gatherings is not allowed. Additionally, multiple gatherings of three households cannot be jointly organized or coordinated to occur in the same public park or other outdoor space at the same time – this would constitute a gathering exceeding the permitted size.3. Don't Attend Gatherings If You Feel Sick or You Are in a High-Risk GroupAnyone with any COVID-19-like symptoms (fever, cough, shortness of breath, chills, night sweats, sore throat, nausea, vomiting, diarrhea, tiredness, muscle or body aches, headaches, confusion, or loss of sense of taste/smell), must stay home and not come into contact with anyone outside their household.Anyone who develops COVID-19 within 48 hours after attending a gathering should notify the other attendees as soon as possible regarding the potential exposure.People at higher risk of severe illness or death from COVID-19 (such as older adults and people with chronic medical conditions) are strongly urged not to attend any gatherings.4. Practice Physical Distancing and Hand Hygiene at GatheringsFor any gatherings permitted under this guidance, the space must be large enough so that everyone at a gathering can maintain at least a 6-foot physical distance from others (not including their own household) at all times.Seating must provide at least 6 feet of distance (in all directions—front-to-back and side-to-side) between different households.Everyone at a gathering should frequently wash their hands with soap and water, or use hand sanitizer if soap and water are not available. A place to wash hands or hand sanitizer must be available for participants to use.Shared items should not be used during a gathering. As much as possible, any food or beverages at outdoor gatherings must be in single-serve disposable containers. If providing single-serve containers is not possible, food and beverages must be served by a person who washes or sanitizes their hands frequently, and wears a face covering. Self-serve items from communal containers should not be used5. Wear a Face Covering to Keep COVID-19 from SpreadingWhen gathering, face coverings must be worn in accordance with the CDPH Guidance on the Use of Face Coverings (PDF), unless an exemption is applicable.People at gatherings may remove their face coverings briefly to eat or drink as long as they stay at least 6 feet away from everyone outside their own household, and put their face covering back on as soon as they are done with the activity.Face coverings can also be removed to meet urgent medical needs (for example, to use an asthma inhaler, take medication, or if feeling light-headed).6. Keep it shortGatherings should be two hours or less. The longer the duration, the risk of transmission increases.7. Rules for Singing, Chanting, and Shouting at Outdoor GatheringSinging, chanting, shouting, and physical exertion significantly increases the risk of COVID-19 transmission because these activities increase the release of respiratory droplets and fine aerosols into the air. Because of this, singing, chanting, and shouting are strongly discouraged, but if they occur, the following rules and recommendations apply:All people who are singing or chanting should wear a face covering at all times while singing or chanting, including anyone who is leading a song or chant. Because these activities pose a very high risk of COVID-19 transmission, face coverings are essential to reduce the spread of respiratory droplets and fine aerosols;People who are singing, shouting, chanting, or exercising are strongly encouraged to maintain physical distancing beyond 6 feet to further reduce risk.People who are singing or chanting are strongly encouraged to do so quietly (at or below the volume of a normal speaking voice). 7492

SAN DIEGO (KGTV) — As temperatures warm up, there is some early research suggesting air conditioning units could increase the risk of spreading COVID-19.One team of researchers swabbed several kinds of air conditioning units and found traces of the virus on one out of every four samples.One of the authors, University of Oregon professor Dr. Kevin Van Den Wymelenberg, said the research “does give us some pause.”Air conditioning units bring in little outside air, particularly when temperatures are very hot, posing a risk that viral particles could be recirculated into rooms, Van Den Wymelenberg said.However, just because the study found traces of the virus in A/C units, it doesn’t prove people can actually get sick from the contaminated air because it’s not yet clear how many viral particles it takes to infect someone, he noted.“Nobody knows what that minimum threshold is so we need to take as many precautions as possible,” he said.Dr. Edward Nardell, a professor in the Departments of Environmental Health and Immunology and Infectious Diseases at the Harvard T.H. Chan School of Public Health, said air conditioning units can generate air currents that can carry large particles farther, similar to what researchers found contributed to the spread of the novel coronavirus disease in an air-conditioned restaurant in Guangzhou, China."You are not socially distanced as much, but you're re-breathing the same air that someone else just exhaled," Nardell said. "We call it rebreathed air fraction, and if someone is infectious, often asymptomatic, you're going to be rebreathing their small particles."This week, a group of 239 scientists from 32 countries asked the World Health Organization to update its COVID-19 guidance to reflect that the virus is airborne.On Thursday, the WHO released updated guidance acknowledging that airborne transmission can’t be ruled out, but stopped short of confirming that the virus spreads through the air.Instead, the WHO said the virus primarily spreads through droplet transmission, where larger particles come out of an infected person’s mouth, then fall quickly to the ground or onto surfaces. In airborne transmission, the particles stay floating for a long time.“I think they’re underweighting the importance of this airborne route based on the best available information,” said UC Berkeley Professor Emeritus William Nazaroff, one of the signatories of the letter to the WHO.He said in a poorly ventilated room, particles might linger for 30 minutes to an hour.Scientists say one of the best ways to protect yourself is to open windows, to increase the circulation of fresh air.Scientists say upgraded air filters in AC units and standalone air purifiers could also help.Germicidal lamps may also be effective, Nardell said. The technology is almost 100 years old, and has been proven effective in protecting against tuberculosis infection.The lamps, which shine ultraviolet light, are set up to shine horizontally, high up in the room to kill floating pathogens.Nardell said the technology can be deployed cheaply and easily in a number of settings.Additional reporting by Lauren Rozyla at WFTS 3159

SAN DIEGO (KGTV) - Another child has been diagnosed with E. Coli linked to animals at the San Diego County Fair, San Diego Health and Human Services officials reported Tuesday. The latest case involves a 6-year-old boy who visited animals at the fair on June 22, officials said. The boy began showing symptoms of Shiga-toxin-producing E. Coli (STEC) four days later. He was not hospitalized. 2-year-old Jedediah Cabezuela died of the illness and three other children were sickened by E. Coli, fair organizers said Friday.RELATED: Family mourns toddler dead after E. Coli exposure at San Diego County FairHealth officials confirmed Tuesday a previously reported case involving a 9-year-old child who was not hospitalized was due to E. Coli. “As we continue our investigation, more cases are likely to be reported,” said Wilma J. Wooten, M.D., M.P.H, County public health officer. “This is typical of any public health investigation. Since we asked doctors to be on the lookout for STEC, they are more likely to test patients exhibiting symptoms.” E. Coli can incubate over a period of 10 days. Fair officials closed the animal exhibits to the public on June 28. RELATED: Two-year-old boy dead, three sickened due to E. Coli linked to San Diego County FairSymptoms of E. Coli include bloody or watery diarrhea, vomiting, and severe abdominal cramps. The infection is contracted through a naturally-occurring bacteria in animals. 1435

SAN DIEGO (KGTV) — As San Diego State students head back to the classroom this fall, a number will find themselves on campus for the first time and once more.While we've seen creative ways students have spruced up their home away from home, we want to hear from SDSU students on move-in day!Are you getting creative with how much you can fit into your living space or perhaps you're taking the minimalist approach? We want to see how you've tackled organization — if you've decided to even do so...Time to show off your dorm décor! Send your best pics to pictures@10news.com. We'll put your submissions together into a photo gallery (so you can "Insta" to your heart's content.)And, of course, happy studying this school year! 744