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SAN DIEGO (KGTV) – Another heat wave in the forecast could leave Californians in the dark this weekend. San Diego Gas and Electric is preparing for a hot weekend as high temps are expected to cause more strain on the power grid.Energy officials are hoping to avoid a repeat of last month when rolling blackouts swept through the state for the first time in 11 years.The California Independent System Operator, or CAISO, was forced to order blackouts in response to high demand.“For the grid to operate, demand on the grid needs to be matched evenly with supply,” said Helen Gao with SDG&E.Ahead of the heat this weekend, SDG&E meteorologists are closely monitoring conditions.At this point, CAISO says they haven’t told SDG&E to prepare for rotating outages over the weekend. CAISO says it plans to issue a Flex Alert, which it says is a voluntary call for conservation.CAISO said the recent rotating outages were the result of a number of factors, including generation units being out of service, reduction of the amount of energy California was able to import from other states, and a sudden drop in wind energy.If CAISO issues a flex alert, the power company will activate their demand response programs. It encourages customers to cut back on energy use to reduce strain on the grid. Outages would only be ordered by CAISO as a last resort. On Tuesday, the State Water Resource Control Board took action to prevent more outages in the future. They’re now along four gas power plants to continue operations past 2020. They were set to stop production as California transitions to cleaner energy sources. The extended deadline is expected to ease the strain on current systems while new energy and storage resources are being built.If an outage is planned for a neighborhood, SDG&E says they try to give all customers a heads up before the lights go out.How these rolling outages workRolling outages are a method that CA ISO uses to take the load off of California's power grid. When the state says the grid is under too much stress, each utility in the state has a percentage of electricity that needs to be taken off of the grid to meet whatever wattage CA ISO is aiming for, according to SDG&E. That amount that a utility will be asked to cut during these rolling blackouts is approved with CA ISO regulators every year.SDG&E determines which neighborhoods will be impacted by creating a list of blocks. Each of those blocks accounts for about 25 megawatts of electricity. Once CA ISO tells SDG&E how much power it needs to cut, SDG&E goes down that list from the top, de-energizing blocks until it is told to stop.The next day, the company picks up where it left off on the list, so that the same neighborhoods aren't affected every night. Once SDG&E goes through its entire list, it starts at the top again.Outages can last up to an hour but can also be relatively quick. Saturday, the first block de-energized lasted for about 17 minutes, according to the company.What you can do to helpTo avoid rolling blackouts, officials say the best way is to take energy conservation seriously. Because these outages are issued by the state, conservation is needed by all Californians in these instances.Officials recommend setting the thermostat at 78 degrees, turning off unnecessary lights and electronics, and using appliances before 3 p.m. to help save power.During power shutoffs, SDG&E suggests customers turn off air conditioners, keep refrigerator and freezer doors closed, and reduce their water use due to the need for electricity to pump and process water. For electric vehicle owners, charging should be delayed if possible until after the emergency shutoffs, SDG&E said.SDG&E offers more safety tips to keep in mind during an outage here. 3805

SAN DIEGO (KGTV) — Birch Aquarium welcomed two new residents to its waters this month, a first-ever for the aquarium.Birch Aquarium at Scripps Institution of Oceanography bred and hatched two rare Weedy Seadragons for the first time, making the aquarium one of the few in the world to now house the fish.The fragile newborns, native to southern Australia, are under an inch long, but have already started eating tiny shrimp. The birth is the product of the aquarium's conservation efforts for the once "near threatened" sea life.RELATED: Rainbow Eucalyptus trees blooming across San Diego“We are elated to have breeding success with our Weedy Seadragons. This is a momentous event for our team and our seahorse and seadragon breeding program,” said Jennifer Nero Moffatt, the aquarium’s senior director of animal care, science and conservation. “Seadragons are charismatic, sensitive, and require detailed husbandry. We have spent over 25 years working with these animals and love that we have made the next steps to conserve this delicate species.”Weedy Seadragons perform an elaborate mating display, spinning snout-to-snout and moving up and down in a water column to transfer eggs from the female onto the male's tail, where they are fertilized and hatched 6 weeks later. This is the first instance of the seadragon's fertilization and hatching occurring at the aquarium.RELATED: San Diego Symphony's 'The Shell' gets opening dateThe fish is now listed as "least concern" on the endangered species list, partially due to a lack of population data. The fish's habitat and camouflage make it extremely difficult to locate in the wild. But, they are still threatened by climate change, warming waters, compromised habitats, and fishing.“This is an exciting day for Birch Aquarium. Not only are these births a major accomplishment for our talented Husbandry team, but also an exciting step in our commitment to conservation ,” said Harry Helling, Birch Aquarium's executive director.While the newborn Weedy Seadragons are not on display for the public due to yearly habitat deep-cleaning, the aquarium's "Seadragons & Seahorses" exhibit is open for guests. 2168

SAN DIEGO (KGTV) - Communities along San Diego's coast have seen an increase in graffiti and tagging as the weather warms up and people flock to the beaches.Most recently, a wall along the sand in Solana Beach was tagged twice, frustrating people who surf and swim nearby."It's a public beach, there's no reason someone should be desecrating it like that," says Andres Gomez, who surfs in Solana Beach regularly. "I wish everyone would be more respectful of the space that we share.""I just think of my tax dollars being wasted," says Solana Beach resident Darla Dressler. "Somebody's gotta come paint it. So either the HOA's paying it or the city's paying it."Earlier in May, 10News reported on a home in Pacific Beach that was hit by graffiti. Social media posts showing graffiti have also become more common.RELATED: Luxury Beachfront Home Tagged in Several SpotsRELATED: Family Outraged at Graffiti at Presidio ParkThe City of San Diego tracks graffiti reports through the Get it Done app. In all of 2019, there have been 6,568 reports of graffiti through the end of May. But in May alone, there were 1,989 reports of graffiti. That's nearly a third of all the reports in 2019 so far.It's also well above the average month in 2018, which had 19,541 total reports, or about 1,628 per month.While the city tries to respond to each complaint, several local community groups have taken it upon themselves to clean up the tags. The Pacific Beach Town Council hosts regular graffiti clean up days. Their event in May removed more than 700 tags according to a Facebook post. 1579

SAN DIEGO (KGTV) — As Americans wait for a regulatory decision on Pfizer’s COVID-19 vaccine candidate, local dry ice companies are counting on the cold chain distribution to help boost sales that have significantly dried up during the pandemic.San Diego Ice Company in the Midway District said it is already fielding calls from hospitals and clinics looking to order dry ice. The family-owned business has distributed ice products for decades, but vice president Anthony Toma said the company has secured the equipment needed to begin manufacturing dry ice from liquid carbon dioxide in December.“Without this dry ice, there's no vaccine,” Toma said.Dry ice is carbon dioxide in its solid form. It’s critical to shipping and storing Pfizer’s COVID-19 vaccine candidate.While Moderna’s vaccine can be stored in a standard freezer, Pfizer’s candidate needs to be kept at 94 degrees Fahrenheit below zero. That’s colder than winter in Antarctica.The company says once it gets the green light from the FDA, it will pack vials in boxes with dry ice. Each shipper box can hold up to 5,000 doses and will be fitted with sensors to constantly track location and temperature.Pfizer will ship the boxes from sites in Kalamazoo, MI and Pleasant Prairie, WI via FedEx and UPS, sending them to hospitals, clinics and pharmacies across the country.From there, vaccination providers must store the doses in a way that preserves their efficacy. Long-term storage of up to six months requires an ultra low-temperature freezer, but outside of hospitals those units are rare.The cold chain required for Pfizer’s candidate is “the most challenging issue” facing distribution, Governor Gavin Newsom said Monday.Newsom said the state plans to assist Pfizer’s efforts by purchasing 16 ultra low-temperature freezers, along with 61 smaller freezers that will be positioned in high-need areas.Another storage option is to keep doses in Pfizer’s thermal shipper box. Vials can last in the box for up to 15 days be refilling the dry ice, and Toma expects some of his dry ice will be part of that process.“We're gonna play a big part,” he said. “We're ready for that and we're honored to do it.”Toma is hoping dry ice will help thaw sales that have plummeted because of the pandemic. A lot of the ice business relies on big events and conventions that have been shut down. Restaurants have reduced volume. Airlines have cut back on food service.“There are a couple of [ice] companies that I spoke with and they said, ‘If it wasn't for dry ice, we wouldn't know what to do,’” he said. “Dry ice is keeping most of us alive.”Toma knows the implications aren’t just financial. Both he and his wife caught the virus and recovered, so they know just how important these vaccines are.Starting in December, San Diego Ice Company will start producing about 1800 pounds of dry ice an hour, he said. That’s enough to fill 36 of Pfizer’s shipper boxes, which require 50 pounds of dry ice each.The FDA has scheduled a meeting of its vaccine advisory committee on December 10. The agency is expected to announce a decision on whether to approve an emergency use authorization shortly thereafter. 3161

SAN DIEGO (KGTV) -- California’s state electric operator issued a flex alert over the weekend as temperatures climb.According to the California Independent System Operator, the flex alert goes into effect Saturday, September 5, and lasts through Monday, September 7.The operator asked customers statewide to conserve energy from 3 p.m. to 9 p.m. At 6:30 p.m., CAISO declared a Stage 2 emergency and warned of possible rotating power outages.The guidance comes as an excessive heat warning was issued for large swaths of San Diego County over the weekend.RELATED STORIESCheck today's weather forecast in your areaSan Diego County opens cool zones amid heat waveAs of Saturday morning, the National Weather Service said temperatures throughout the county could reach as high as 122, with coastal temperatures in some areas reaching 99 degrees.Meanwhile, a red flag warning was issued for San Diego County’s inland valleys and mountains from 10 a.m. Saturday through 6 p.m. Sunday.The agency says winds will top out around 15 to 20 miles per hour with gusts as high as 25 to 35 miles per hour. 1098

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