California’s Senate and Assembly approved a number of bills in the Legislature’s waning hours Monday, including measures that would ensure funding for a safe drinking water fund, make it easier to upgrade schools with clean energy appliances, help electric utilities manage ratepayer deficits related to the coronavirus pandemic, and take other actions.
A deep dive into the causes of the first rolling blackouts to hit California in 19 years is coming soon from state agencies but a preliminary report from an energy consulting group in Sacramento points to a number of reasons — including an overreliance on out-of-state energy imports.
Water agencies across San Diego County are doing their part to stabilize the state’s power grid during this week’s heatwave by generating hydropower and altering operations to trim electricity demands – and they are offering long-term solutions to reduce future energy shortages.
The California Independent System Operator issued a statewide Flex Alert from Sunday through Wednesday, calling for reduced electricity use in the afternoon and evening to limit power outages. Blackouts could affect hundreds of thousands of San Diego County residents, if extreme heat persists.
At Lake Hodges, the Water Authority is running its pumped energy storage facility to meet peak demands. As water flows down the pipeline from Olivenhain Reservoir into Lake Hodges, it generates up to 40 megawatts of energy on demand, helping to manage temporary peak electrical demands or unplanned outages. Then, the water is pumped back to Olivenhain Reservoir when power demands are low to restart the cycle.
In addition, water agencies are taking numerous actions to conserve energy. For the Water Authority, the strategy includes temporarily reducing drinking water production at the Claude “Bud” Lewis Carlsbad Desalination Plant in collaboration with Poseidon Water.
The Carlsbad Desalination Plant is the largest, most technologically advanced and energy-efficient desalination plant in the nation, and it has produced more than 62 billion gallons of drinking water for San Diego County since it began operations in December 2015.
Starting Monday, the plant ramped down operations, making an additional 8 megawatts of power available for other uses. If more load reductions are necessary over the next several days, additional curtailment may be considered at the plant. The power provided by the plant could help offset current energy shortages.
“This partnership by the Water Authority and Poseidon is another reminder of the value of the cutting-edge technology and local control at the Carlsbad plant,” said Jim Madaffer, chair of the Water Authority’s Board of Directors. “Operations are flexible and the technology is nimble, so production can be ramped up and down in response to local needs.”
In addition, local and regional water agencies are temporarily shutting down or reducing flows at pump stations and turning off HVAC systems in the afternoons. Some agencies also have the ability to convert to less energy-intensive treatment, for instance, by replacing ozone with chlorine.
Local water agencies also are tapping their significant backup power generation capacity – at their own expense – to ease the strain on the energy grid, following Governor Newsom’s executive order that suspends some regulatory requirements for those units during this emergency event. Local agencies are also looking to work with the administration to ensure that their backup generation capacity can be used proactively to help avoid future energy shortages.
Pumped energy storage facilities are part of an integrated and sustainable energy system that
includes the production, storage and distribution of clean energy.
Beyond the immediate concerns, this week’s heat wave has highlighted the need to increase large-scale energy storage as the state moves toward a goal of 100% renewable energy by 2045. Put simply, the sun doesn’t always shine and the wind doesn’t always blow enough to meet demands, so the state needs more capacity to store peak renewable energy production for peak demand periods.
The Water Authority has proposed building a large-scale pumped storage project at the San Vicente Reservoir near Lakeside. Pumped energy storage projects are designed to store excess renewable energy from solar and wind when it’s available, and then discharge that energy when energy demands increase and renewable energy is scarce.
A 2019 white paper highlighted the importance of pumped energy storage to California’s future.
“Our current situation is the direct result insufficient planning; the state clearly needs additional energy storage now and will need much more in the future,” said Gary Bousquet, energy program manager for the Water Authority. “Environmentally friendly pumped storage projects should be started immediately to address this shortfall, or power reliability will get significantly worse. The San Vicente project can be started now at no cost to taxpayers – users only pay when the project comes online.”
California’s power grid operator delivered a blistering rebuke Monday to the state’s Public Utilities Commission, blaming the agency for rotating power outages — the first since the 2001 energy crisis — and warning of bigger blackouts to come.
For the first time in nearly two decades, the federal government tapped Glen Canyon Dam for extra power generating capacity this weekend, triggering emergency water releases as heat waves persisted across the West.
As temperatures hit records in California, power providers turned to sources in Nevada, Utah and Arizona to cope with the surge in demand across its electrical grid.
San Diego Gas & Electric was directed to begin rolling blackouts Monday that could have effected 100,000 customers, but the power crisis was averted at the last moment. “Rotating outages were averted in San Diego and southern Orange counties today, in part thanks to local residents and businesses heeding the call to cut back on energy usage amid a prolonged heat wave and exceptionally high energy demand,” the utility said in a statement.
Electric prices in the West soared to record highs as California consumers prepared for more outages on Monday after the grid operator ordered utilities to cut power over the weekend to reduce system strain during a brutal heat wave.
New rolling blackouts in parts of California were ordered Saturday night as power shortages continued because of an extreme heat wave. Pacific Gas & Electric Co. said Saturday night it was beginning to rotate power outages affecting up to 250,000 customers in Northern and Central California. San Diego Gas & Electric said it also interrupted power to some customers but had restored all service by 7 p.m.
Free fall. That’s how people are describing California’s economy as the coronavirus ravages on.
Virtually overnight, one in five Californian’s became – and unfortunately remain – unemployed. In Los Angeles, the unemployment rate is tracking with the peak of the Great Depression. In other parts of the state, the jobless rate is projected to climb as high as 40%. As former Gov. Gray Davis said about today’s challenges, “There’s no playbook. There’s no precedent.”
San Diego Gas & Electric residential customers will see their electricity bills reduced by $32.28 in both August and September thanks to a climate credit program. Designed to fight climate change, the California Climate Credit will come from a state program that requires power plants, natural gas providers and other large industries that emit greenhouse gases to buy carbon pollution permits. The credit on customers’ bills is their share of the payments from the state’s program.
The Water News Network is San Diego County’s source for water news and information.
