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California Wildfire Smoke Impact on Solar reduces photovoltaic output, as particulate pollution, soot, and haze dim sunlight and foul panels, cutting utility-scale generation and grid reliability across CAISO during peak demand and heatwaves.

Key Points

How smoke and soot cut solar irradiance and foul panels, slashing PV generation and straining CAISO grid operations.

✅ Smoke blocks sunlight; soot deposition reduces panel efficiency.

✅ CAISO reported ~30% drop versus July during peak smoke.

✅ Longer fire seasons threaten solar reliability and capacity planning.

Smoke from California’s unprecedented wildfires was so bad that it cut a significant chunk of solar power production in the state, even as U.S. solar generation rose in 2022 nationwide. Solar power generation dropped off by nearly a third in early September as wildfires darkened the skies with smoke, according to the US Energy Information Administration.

Those fires create thick smoke, laden with particles that block sunlight both when they’re in the air and when they settle onto solar panels. In the first two weeks of September, soot and smoke caused solar-powered electricity generation to fall 30 percent compared to the July average, according to the California Independent System Operator (CAISO), which oversees nearly all utility-scale solar energy in California, where wind and solar curtailments have been rising amid grid constraints. It was a 13.4 percent decrease from the same period last year, even though solar capacity in the state has grown about 5 percent since September 2019.

California depends on solar installations for nearly 20 percent of its electricity generation, and has more solar capacity than the next five US states trailing it combined as it works to manage its solar boom sustainably. It will need even more renewable power to meet its goal of 100 percent clean electricity generation by 2045, building on a recent near-100% renewable milestone that underscored the transition. The state’s emphasis on solar power is part of its long-term efforts to avoid more devastating effects of climate change. But in the short term, California’s renewables are already grappling with rising temperatures.

Two records were smashed early this September that contributed to the loss of solar power. California surpassed 2 million acres burned in a single fire season for the first time (1.7 million more acres have burned since then). And on September 15th, small particle pollution reached the highest levels recorded since 2000, according to the California Air Resources Board. Winds that stoked the flames also drove pollution from the largest fires in Northern California to Southern California, where there are more solar farms.

Smaller residential and commercial solar systems were affected, too, and solar panels during grid blackouts typically shut off for safety, although smoke was the primary issue here. “A lot of my systems were producing zero power,” Steve Pariani, founder of the solar installation company Solar Pro Energy Systems, told the San Mateo Daily Journal in September.

As the planet heats up, California’s fire seasons have grown longer, and blazes are tearing through more land than ever before, while grid operators are also seeing rising curtailments as they integrate more renewables. For both utilities and smaller solar efforts, wildfire smoke will continue to darken solar energy’s otherwise bright future, even as it becomes the No. 3 renewable source in the U.S. by generation.

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Rolls-Royce and Exelon UKSMR Partnership accelerates factory-built small modular reactors, nuclear power, clean energy, 440MW units, advanced manufacturing, fleet deployment, net zero goals, and resilient, low-cost baseload generation in the UK and globally.

Key Points

A partnership to deploy factory-built SMR stations, providing 440MW low-carbon baseload for the UK and export markets.

✅ 440MW factory-built SMR units with rapid modular assembly

✅ Exelon to operate and enhance high capacity factors

✅ Supports UK net zero, jobs, and export-led manufacturing

Rolls-Royce and Exelon Generation have signed a Memorandum of Understanding to pursue the potential for Exelon Generation to operate compact nuclear power stations both in the UK and internationally, including markets such as Canada where New Brunswick SMR questions are prompting public debate today.

Exelon Generation will be using their operational experience to assist Rolls Royce in the development and deployment of the UKSMR.

Rolls-Royce is leading a consortium that is designing a low-cost factory built nuclear power station, known as a small modular reactor (SMR), with UK mini-reactor approval anticipated as development progresses. Its standardised, factory-made components and advanced manufacturing processes push costs down, while the rapid assembly of the modules and components inside a weatherproof canopy on the power station site itself avoid costly schedule disruptions.

The consortium is working with its partners and UK Government to secure a commitment for a fleet of factory built nuclear power stations, each providing 440MW of electricity, to be operational within a decade, helping the UK meet its net zero obligations in line with the green industrial revolution policy set out by government. A fleet deployment in the UK will lead to the creation of new factories that will make the components and modules which will help the economy recover from the Covid-19 pandemic and pave the way for significant export opportunities as well.

The consortium members feature the best of nuclear engineering, construction and infrastructure expertise in Assystem, Atkins, BAM Nuttall, Jacobs, Laing O'Rourke, National Nuclear Laboratory, Nuclear Advanced Manufacturing Research Centre, Rolls-Royce and TWI. Exelon will add valuable operational experience to the team.

Tom Samson, interim Chief Executive Officer of the UKSMR consortium, said: 'Nuclear power is central to tackling climate change and economic recovery, but it must be affordable, reliable and investable and the way we manufacture and assemble our power station brings its cost down to be comparable with offshore wind.

'It's a compelling proposition that could draw new players into the UK's power generation landscape, improving choice for consumers and providing uninterrupted low carbon energy to homes and businesses.

'The opportunity to partner with Exelon is a very exciting prospect for our program, complementing our existing Consortium partnerships with one of the world's largest nuclear operator adds an important dimension to our growth ambitions, embodies the strength of the UK and USA alliance on nuclear matters and reflects wider international moves, such as a Canadian premiers' SMR initiative to accelerate technology development, and offers our future customers the ability to achieve the highest performance standards associated with Exelon's outstanding operational track record.'

The power stations will be built by the UKSMR consortium, before being handed over to be operated by power generation companies. Exelon Generation will work closely with the consortium during the pre-operation period. Exelon Nuclear operates 21 nuclear reactors in America, and U.S. regulators recently issued a final safety evaluation for a NuScale SMR that underscores momentum in the sector. The Exelon nuclear fleet is an integral part of the U.S. clean power mix; it produces more than 158 million megawatt-hours of clean electricity every year.

Bryan Hanson, EVP and COO of Exelon Generation said: 'We believe that SMRs are a crucial part of the world's clean energy mix, as projects like Darlington SMRs advance in Ontario. With our experience both in the US and internationally, Exelon is confident that we can help Rolls Royce ensure SMRs play a key role in the UK's energy future. We've had a very strong record of performance for 20 consecutive years, with a 2019 capacity factor of 95.7 percent. We will leverage this experience to achieve sustainably high capacity factors for the UKSMRs.'

Ralph Hunter, Managing Director of Exelon Nuclear Partners, who runs Exelon's international clean energy business, said: 'We have a strong track record of success to be the operator of choice for the UKSMR. We will help develop operational capability, training and human capacity development in the UK, as utilities such as Ontario Power Generation commit to SMRs abroad, ensuring localisation of skills and a strong culture of safety, performance and efficiency.'

By 2050 a full UK programme of a fleet of factory built nuclear power stations in the UK could create:

Up to 40,000 jobs GBP52BN of value to the UK economy GBP250BN of exports

The current phase of the programme has been jointly funded by all consortium members and UK Research and Innovation.

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Washington EV Rebate Program drives EV adoption with incentives, funding, and clean energy goals, cutting greenhouse gas emissions. Residents embrace electric vehicles as charging infrastructure expands, supporting sustainable transportation and state climate targets.

Key Points

Washington EV Rebate Program provides incentives to cut EV costs, accelerate adoption, and support clean energy targets.

✅ Over half of allocated funding already utilized statewide.

✅ Incentives lower upfront costs and spur EV demand.

✅ Charging infrastructure expansion remains a key priority.

Washington State has reached a significant milestone in its electric vehicle (EV) rebate program, with more than half of the allocated funding already utilized. This rapid uptake highlights the growing interest in electric vehicles as residents seek more sustainable transportation options. As the state continues to prioritize environmental initiatives, this development showcases both the successes and challenges of promoting electric vehicle adoption.

A Growing Demand for Electric Vehicles

The substantial drawdown of rebate funds indicates a robust demand for electric vehicles in Washington. As consumers become increasingly aware of the environmental benefits associated with EVs—such as reduced greenhouse gas emissions and improved air quality—more individuals are making the switch from traditional gasoline-powered vehicles. Additionally, rising fuel prices and advancements in EV technology, alongside zero-emission incentives are further incentivizing this shift.

Washington's rebate program, which offers financial incentives to residents who purchase or lease eligible electric vehicles, plays a critical role in making EVs more accessible. The program helps to lower the upfront costs associated with purchasing electric vehicles, and similar approaches like New Brunswick EV rebates illustrate how regional incentives can boost adoption, thus encouraging more drivers to consider these greener alternatives. As the state moves toward its goal of a more sustainable transportation system, the popularity of the rebate program is a promising sign.

The Impact of Funding Utilization

With over half of the rebate funding already used, the program's popularity raises questions about the sustainability of its financial support and the readiness of state power grids to accommodate rising EV demand. Originally designed to spur adoption and reduce barriers to entry for potential EV buyers, the rapid depletion of funds could lead to future challenges in maintaining the program’s momentum.

The Washington State Department of Ecology, which oversees the rebate program, will need to assess the current funding levels and consider future allocations to meet the ongoing demand. If the funds run dry, it could slow down the adoption of electric vehicles, potentially impacting the state’s broader climate goals. Ensuring a consistent flow of funding will be essential for keeping the program viable and continuing to promote EV usage.

Environmental Benefits and Climate Goals

The increasing adoption of electric vehicles aligns with Washington’s ambitious climate goals, including a commitment to reduce carbon emissions significantly by 2030. The state aims to transition to a clean energy economy and has set a target for all new vehicles sold by 2035 to be electric, and initiatives such as the hybrid-electric ferry upgrade demonstrate progress across the transportation sector. The success of the rebate program is a crucial step in achieving these objectives.

As more residents switch to EVs, the overall impact on air quality and carbon emissions can be profound. Electric vehicles produce zero tailpipe emissions, which contributes to improved air quality, particularly in urban areas that struggle with pollution. The transition to electric vehicles can also help to reduce dependence on fossil fuels, further enhancing the state’s sustainability efforts.

Challenges Ahead

While the current uptake of the rebate program is encouraging, there are challenges that need to be addressed. One significant issue is the availability of EV models. Although the market is expanding, not all consumers have equal access to a variety of electric vehicle options. Affordability remains a barrier for many potential buyers, especially in lower-income communities, but targeted supports like EV charger rebates in B.C. can ease costs for households. Ensuring that all residents can access EVs and the associated incentives is vital for equitable participation in the transition to electric mobility.

Additionally, there are concerns about charging infrastructure. For many potential EV owners, the lack of accessible charging stations can deter them from making the switch. Expanding charging networks, particularly in underserved areas, is essential for supporting the growing number of electric vehicles on the road, and B.C. EV charging expansion offers a regional model for scaling access.

Looking to the Future

As Washington continues to advance its electric vehicle initiatives, the success of the rebate program is a promising indication of changing consumer attitudes toward sustainable transportation. With more than half of the funding already used, the focus will need to shift to sustaining the program and ensuring that it meets the needs of all residents, while complementary incentives like home and workplace charging rebates can amplify its impact.

Ultimately, Washington’s commitment to electric vehicles is not just about rebates; it’s about fostering a comprehensive ecosystem that supports clean energy, infrastructure, and equitable access. By addressing these challenges head-on, the state can continue to lead the way in the transition to electric mobility, benefiting both the environment and its residents in the long run.

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CPEC Power Producers drive China-Pakistan energy cooperation under the Belt and Road Initiative, delivering clean, reliable electricity, investment transparency, and grid stability while countering allegations, cutting circular debt, and easing load-shedding nationwide.

Key Points

CPEC Power Producers are BRI-backed energy projects supplying clean, reliable power and stabilizing Pakistan's grid.

✅ Supply one-third of load during COVID-19 peak, ensuring reliability

✅ Reduce circular debt and mitigate nationwide load-shedding

✅ Operate under BRI with transparent, long-term investment

Chinese government has rejected the allegations against the CPEC Power Producers (CPPs) amid broader coal reduction goals in the power sector.

Chinese government has made it clear that a mammoth cooperation with Pakistan in the energy sector is continuing, aligned with its broader electricity outlook through 2060 and beyond.

A letter written by Chinese ambassador to minister of Energy Omar Ayub Khan has said that major headway has been seen in recent days in the perspective of CPEC projects, alongside China's nuclear energy development at home. But he wants to invite the attention of government of Pakistan to the recent allegations leveled against the CPEC Power Producers (CPPs).

The Chinese ambassador further said Energy is a major area of cooperation under the CPEC and the CPPs have provided large amount of clean, reliable and affordable electricity to the Pakistani consumers and have guaranteed one-third of the power load during the COVID-19 pandemic, even as China grappled with periodic power cuts domestically. However many misinformed analysis and media distortion about the CPPs have been made public to create confusion about the CPEC, amid global solar sector uncertainty influencing narratives. Therefore, the Port Qasim Electric Power Company, Huaneng Shandong Ruyi Energy Limited and the China Power Hub Generation Company Limited as leading CPPs have drafted their own reports in this regard to present the real facts about the investors and operators. The conclusion is the CPPs have contributed to overcoming of loadshedding and the reduction of the power circular debt.

Reports of the two companies have also been attached with the letter wherein it has been laid out that CPEC as a pilot project under the Belt and Road Initiative, which also includes regional nuclear energy cooperation efforts, is an important platform for China and Pakistan to build a stronger economic and development partnership.

Chinese companies have expressed strong reservations over report of different committees besides voicing protest over it. They have made it clear they are ready to present the real situation before the competent authorities and committee, and in parallel with electricity infrastructure initiatives abroad, because all the work is being carried out by Chinese companies in power sector in fair and transparent manner.

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BC Hydro Asset Management Audit confirms disciplined oversight of dams, generators, power lines, substations, and transformers, with robust lifecycle planning, reliability metrics, and capital investment sustaining aging infrastructure and near full-capacity performance.

Key Points

Audit confirming BC Hydro's asset governance and lifecycle planning, ensuring safe, reliable grid infrastructure.

✅ $25B in assets; many facilities operating near full capacity.

✅ 80% of assets are dams, generators, lines, poles, substations, transformers.

✅ $2.5B invested in renewal, repair, and replacement in fiscal 2018.

A report by B.C.’s auditor-general says B.C. Hydro is doing a good job managing the province’s dams, generating stations and power lines, including storm response during severe weather events.

Carol Bellringer says in the audit that B.C. Hydro’s assets are valued at more than $25 billion and even though some generating facilities are more than 85 years old they continue to operate near full-capacity and can accommodate holiday demand peaks when needed.

The report says about 80 per cent of Hydro’s assets are dams, generators, power lines, poles, substations and transformers that are used to provide electrical service to B.C., where residential electricity use shifted during the pandemic.

The audit says Hydro invested almost $2.5 billion to renew, repair or replace the assets it manages during the last fiscal year, ending March 31, 2018, and, in a broader context, bill relief has been offered to only part of the province.

Bellringer’s audit doesn’t examine the $10.7 billion Site C dam project, which is currently under construction in northeast B.C. and not slated for completion until 2024.

She says the audit examined whether B.C. Hydro has the information, practices, processes and systems needed to support good asset management, at a time when other utilities are dealing with pandemic impacts on operations.

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Norway Electricity Export Limits weigh hydro reservoirs, energy security, EU-UK interconnectors, and record power prices amid Russia gas cuts; Statnett grid constraints and subsidies debate intensify as reservoir levels fall, threatening winter supply.

Key Points

Rules to curb Norway's power exports when reservoirs are very low, protecting supply security and easing extreme prices.

✅ Triggered by low hydro levels and record day-ahead prices

✅ Considers EU/UK cables, Statnett operations, seasonal thresholds

✅ Aims to secure winter supply and expand subsidies

Norway, one of Europe’s biggest electricity exporters, is considering measures to limit power shipments to prevent domestic shortages amid surging prices, according to local media reports.

The government may propose a rule to limit exports if the water level for Norway’s hydro reservoirs drops to “very low” levels, to ensure security of supply, said Energy Minister Terje Aasland, according NTB newswire. The limit would take account of seasonality and would differ across the about 1,800 hydro reservoirs, he said. 

Russia’s gas supply cuts in retaliation for European sanctions over the war in Ukraine have triggered the continent’s worst energy crisis in decades, with demand surging for cheap Norwegian hydro electricity. Yet the government faces increasing calls from the public and opposition to limit flows abroad. Prices are near record levels in some parts of the Nordic nation as hydro-reservoir levels have plunged in the south after a drier-than-normal spring. 

The government has been under pressure to do something about exports since before April. Flows on the cables are regulated by deals with both the European Union and the UK energy market and Norway can’t simply cut flows. It’s the latest test of European solidarity and a wake-up call for Europe when it comes to energy supplies. Hungary is trying to ban energy exports after it declared an energy emergency.

Back in May, grid operator Statnett SF warned that Norway could face a strained power situation after less snowfall than usual during the winter. At the end of last week, the level of filling in Norwegian hydro reservoirs was 66.5%, compared with a median 74.9% for the corresponding time in 2002-2021, regulator NVE said. Day-ahead electricity prices in southwest Norway soared to a record 423 euros per megawatt-hour late last month, partly due to bottlenecks in the grid limiting supply from the northern regions.

The grid operator has been asked to present by Oct. 1 possible measures that need to be taken to secure supply and infrastructure security ahead of the winter. Statnett operates cables to the UK and Germany aimed at selling surplus electricity and would likely take a financial hit if curbs were introduced. “Operations of these will always follow current laws and regulations,” Irene Meldal, a company spokeswoman, said Friday by email. 

Premier Jonas Gahr Store signaled his minority government will file proposals that also include more subsidies to families and companies and align with Europe’s emergency price measures during August, according to an interview with TV2 on Thursday. Meanwhile, opposition politicians plan to hold an extraordinary parliament meeting to discuss boosting the subsidies.

Aasland will summon the parties’ representatives to a meeting on Monday on the electricity crisis, the Aftenposten newspaper reported on Friday, without citing anyone. He intends to inform the parties about the ongoing work and aims to “avoid rushed decisions” by the parliamentary majority.

Norway Faces Pressure to Curb Power Exports as Prices Surge (1)

The nation gets almost all of its electricity from its vast hydro resources. Historically, it has been able to export a hefty surplus and still have among the lowest prices in Europe. 
 

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