Solar and wind power curtailments are rising in California

China Compressed-Air Energy Storage enables grid flexibility using salt caverns in Jiangsu, delivering long-duration storage for wind and solar, 60 MW capacity, dispatchable power, and low-cost, safe, round-the-clock clean energy integration.

Key Points

Stores off-peak power by compressing air in salt caverns, then drives turbines on demand to balance renewables.

✅ 60 MW Jintan plant connects to grid; commercial CAES milestone

✅ Uses salt caverns; low-cost long-duration storage; high safety

✅ Balances wind and solar; improves grid flexibility and reliability

China is set to connect its first commercial compressed-air energy storage plant to the grid as it seeks more ways to harness fast-growing clean power resources, including new hydropower alongside other long-duration options such as gravity power technologies for around-the-clock use.

China Huaneng Group Co. said its Jiangsu Jintan Salt Cave project recently underwent four days of successful trials and is now ready for commercial operations. The 60-megawatt plant will be the largest compressed air energy storage plant built anywhere in the world since 1991, and the first in China outside of small-scale technology demonstration projects, as China's electricity demand patterns remain in flux, according to BloombergNEF.

The plant will use electricity at night when demand is low to pump air into an underground salt cavern. Then, when demand is high during the day, it can release the compressed air at high enough pressure to spin a turbine and produce electricity, aligning with projections that 60% electricity by 2060 could be reached according to industry outlooks.

Underground compressed air is considered one of the least costly forms of long-term energy storage and has low safety concerns, according to BloombergNEF. But its reliance on certain topographical features such as underground caverns may limit wider deployment, a challenge shared by other regions weighing large-scale storage options for reliability. It’s gained a foothold in China, with nearly four gigawatts of projects in the pipeline, while there are less than two gigawatts combined planned in the rest of the world. Shandong province said just this week in this year's work plan that it would build three projects using the technology.

The Jintan salt caves in Jiangsu, China’s second-biggest provincial economy just north of Shanghai, can store about 10 million cubic meters of gas, enough to power four gigawatts of compressed air plants, according to a Science and Technology Daily report from last year. 

Energy storage is a key part of China’s plan to build a larger and more flexible grid as it tries to peak carbon emissions before 2030 and zero them out before 2060, alongside continued nuclear energy development to stabilize baseload supply. The country is adding a world-leading amount of wind and solar power every year, but their intermittency strains grids that need to be able to deliver electricity all the time, spurring interest in green hydrogen as a flexible complement. China has set targets of 30 gigawatts of new-energy storage by 2025 and 120 gigawatts of pumped hydro storage by 2030. 

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Wind Turbine Operations and Maintenance Market is expanding as offshore and onshore renewables scale, driven by aging turbines, investment, UAV inspections, and predictive O&M services, despite skills shortages and rising logistics costs.

Key Points

Sector delivering inspection, repair, and predictive services to keep wind assets reliable onshore and offshore.

✅ Aging turbines and investor funding drive service demand

✅ UAV inspections and predictive analytics cut downtime

✅ Offshore growth offsets skills and logistics constraints

Wind turbines are capable of producing vast amounts of electricity at competitive prices, provided they are efficiently maintained and operated. Being a cleaner, greener source of energy, wind energy is also more reliable than other sources of power generation, with growth despite COVID-19 recorded across markets. Therefore, the demand for wind energy is slated to soar over the next few years, fuelling the growth of the global market for wind turbine operations and maintenance. By application, offshore and onshore wind turbine operations and maintenance are the two major segments of the market.

Global Wind Turbine Operations and Maintenance Market: Key Trends

The rising number of aging wind turbines emerges as a considerable potential for the growth of the market. The increasing downpour of funds from financial institutions and public and private investors has also been playing a significant role in the expansion of the market, with interest also flowing toward wave and tidal energy technologies that inform O&M practices. On the other hand, insufficient number of skilled personnel, coupled with increasing costs of logistics, remains a key concern restricting the growth of the market. However, the growing demand for offshore wind turbines across the globe is likely to materialize into fresh opportunities.

Global Wind Turbine Operations and Maintenance Market: Market Potential

A number of market players have been offering diverse services with a view to make a mark in the global market for wind turbine operations and maintenance. For instance, Scotland-based SgurrEnergy announced the provision of unmanned aerial vehicles (UAVs), commonly known as drones, as a part of its inspection services. Detailed and accurate assessments of wind turbines can be obtained through these drones, which are fitted with cameras, with four times quicker inspections than traditional methods, claims the company. This new approach has not only reduced downtime, but also has prevented the risks faced by inspection personnel.

The increasing number of approvals and new projects is preparing the ground for a rising demand for wind turbine operations and maintenance. In March 2017, for example, the Scottish government approved the installation of eight 6-megawatt wind turbines off the coast of Aberdeen, towards the northeast. The state of Maryland in the U.S. will witness the installation of a new offshore wind plant, encouraging greater adoption of wind energy in the country. The U.K., a leader in UK offshore wind deployment, has also been keeping pace with the developments, with the installation of a 400-MW offshore wind farm, off the Sussex coast throughout 2017. The Rampion project will be developed by E.on, who has partnered with Canada-based Enbridge Inc. and the UK Green Investment Bank plc.

Global Wind Turbine Operations and Maintenance Market: Regional Outlook

Based on geography, the global market for wind turbine operations and maintenance has been segmented into Asia Pacific, Europe, North America, and Rest of the World (RoW). Countries such as India, China, Spain, France, Germany, Scotland, and Brazil are some of the prominent users of wind energy and are therefore likely to account for a considerable share in the market. In the U.S., favorable government policies are backing the growth of the market, though analyses note that a prolonged solar ITC extension could pressure wind competitiveness. For instance, in 2013, a legislation that permits energy companies to transfer the costs of offshore wind credits to ratepayers was approved. Asia Pacific is a market with vast potential, with India and China being major contributors aiding the expansion of the market.

Global Wind Turbine Operations and Maintenance Market: Competitive Analysis

Some of the major companies operating in the global market for wind turbine operations and maintenance are Gamesa Corporacion Tecnologica, Xinjiang Goldwind Science & Technologies, Vestas Wind Systems A/S, Upwind Solutions, Inc, GE Wind Turbine, Guodian United Power Technology Company Ltd., Nordex SE, Enercon GmbH, Siemens Wind Power GmbH, and Suzlon Group. A number of firms have been focusing on mergers and acquisitions to extend their presence across new regions.

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Building Energy Iowa Wind Farm delivers 30 MW of renewable energy near Des Moines, generating 110 GWh annually with wind turbines, a long-term PPA, CO2 reduction, and community benefits like jobs and clean power.

Key Points

Building Energy Iowa Wind Farm is a 30 MW project generating 110 GWh a year, cutting CO2 and supporting local jobs.

✅ 30 MW capacity, 10 onshore turbines (3 MW each)

✅ ~110 GWh per year; power for 11,000 households

✅ Long-term PPA; jobs and emissions reductions in Iowa

With 110 GWh generated per year, the plant will be beneficial to Iowa's environment, reflecting broader Iowa wind power investment trends, contributing to the reduction of 100,000 tons of CO2 emissions, as well as providing economic benefits to host local communities.

Building Energy SpA, multinational company operating as a global integrated IPP in the Renewable Energy Industry, amid milestones such as Enel's 450 MW U.S. wind project, through its subsidiary Building Energy Wind Iowa LLC, announces the inauguration of its first wind farm in Iowa, which adds up to 30 MW of wind distribution generation capacity. The project, located north of Des Moines, in Story, Boone, Hardin and Poweshiek counties, will generate approximately 110 GWh per year. The beginning of operations has been celebrated on the occasion of the Wind of Life event in Ames, Iowa, in the presence of Andrea Braccialarghe, MD America of Building Energy, Alessandro Bragantini, Chief Operating Officer of Building Energy and Giuseppe Finocchiaro, Italian Consul General.

The overall investment in the construction of the Iowa distribution generation wind farms amounted to $58 million and it sells its energy and related renewable credits under a bundled, long-term power purchase agreement with a local utility, reflecting broader utility investment trends such as WEC Energy's Illinois wind stake in the region.

The wind facility, developed, financed, owned and operated by Building Energy, consists of ten 3.0 MW geared onshore wind turbines, each with a rotor diameter of 125 meters mounted on an 87.5 meter steel tower. The energy generated will satisfy the energy needs of 11,000 U.S. households every year, similar in community impact to North Carolina's first wind farm, while avoiding the emission of about 70,000 tons of CO2 emissions every year, according to US Environmental Protection Agency methodology, which is equivalent to taking 15,000 cars off the road each year.

Besides the environmental benefits, the wind farm also has advantages for the local community, providing it with clean energy and creating jobs for local Iowans. The project involved more than a hundred of local skilled workers during the construction phase. Some of those jobs will be also permanent as necessary for the operation and maintenance activities as well as for additional services such as delivery, transportation, spare parts management, landscape mitigation, and further environmental monitoring studies.

The Company is present in many US states since 2013 with more than 500 MW of projects under development, spread across different renewable energy technologies, and aligning with federal initiatives like DOE wind energy awards that support innovation.

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Clean Energy Buyers Alliance 2030 Goal targets a 90% carbon-free U.S. grid, accelerating power-sector decarbonization via corporate renewable energy procurement, market and policy reforms, and customer demand to enable net-zero electrification across industries.

Key Points

The Alliance's plan to reach a 90% carbon-free U.S. electricity system by 2030 via customer-driven markets and policy.

✅ Corporate buyers scale renewable PPAs and aggregation

✅ Market and policy reforms unlock clean power access

✅ Goal aligns with net-zero and widespread electrification

The Clean Energy Buyers Association (CEBA) and the Clean Energy Buyers Institute (CEBI), which together make up the Clean Energy Buyers Alliance, have announced a profound new aspiration for impact: a 90% carbon-free U.S. electricity system by 2030 and a global community of energy customers driving the global energy transition forward.

Alongside the two organizations’ bold new vision of the future – customer-driven clean energy for all – the Alliance will super-charge the work of its predecessor organizations, the Renewable Energy Buyers Alliance (REBA) and the REBA Institute, which represent the most iconic global companies with more than $6 trillion dollars in annual revenues and 14 million employees.

“This is the decisive decade for climate action and especially for decarbonization of the power sector,” said Miranda Ballentine, CEO of CEBA and CEBI. “To achieve a net-zero economy worldwide by 2050, the United States must lead. And the power sector must accelerate toward a 2030 timeline as electrification of other industries will be driving up power use.”

In the U.S. alone, more than 60% of electricity is consumed by the commercial and industrial sectors. Institutional energy customers have accelerated the deployment of clean energy solutions over the last 10 years to achieve increasingly ambitious greenhouse gas reduction targets, even as a federal coal plan remains under debate, and further cement the critical role of customers in decarbonizing the energy system. The Clean Energy Buyers Association Deal Tracker shows that 7.9 GW of new corporate renewable energy project announcements in the first three quarters of this year are equivalent to 40% of all new carbon free energy capacity added in the U.S. so far in 2021.

“With our new vision of customer-driven clean energy for all, we are also unveiling new organization brands,” Ballentine continued. “I’m excited to announce that REBA will become CEBA—the Clean Energy Buyers Association—and will focus on activating our community of energy customers and partners to deploy market and policy solutions for a carbon-free energy system. The REBA Institute will become the Clean Energy Buyers Institute (CEBI) and will focus on solving the toughest market and policy barriers to achieving a carbon-free energy system in collaboration with policymakers, leading philanthropies, and energy market stakeholders. Together, CEBA and CEBI will make up the new Clean Energy Buyers Alliance.”

To decarbonize the U.S. electricity system 90% by 2030, a goal aligned with California's 100% carbon-free mandate efforts, and to activate a community of customers driving clean energy around the world, the Clean Energy Buyers Alliance will drive three critical transformations to:

Unlock markets so that energy customers can use their buying power and market-influence, building on a historic U.S. climate deal this year, to accelerate electricity decarbonization.

Catalyze communities of energy customers to actively choose clean energy through Mission Innovation collaborations and to do more together than they could on their own.

Decarbonize the grid for all, since not every energy customer can or will use their buying power to choose clean energy.

“The Clean Energy Buyers Alliance is setting the bar for what energy buyers, utilities and governments should and need to be doing to achieve a carbon-free energy future,” said Michael Terrell, CEBA board chair and Director of Energy at Google. “This ambitious approach is a critical step in tackling climate change. The time for meaningful climate action is now and we must collectively be bolder and more ambitious in our actions in both the public and private sectors – starting today.”

This new vision of customer-driven clean energy for all is an unprecedented opportunity for every member of the Clean Energy Buyers Alliance community – from energy customers to providers to manufacturers – to all parties up and down the energy supply chain to lead the evolution of a new energy economy, which will require incentives to double investment in clean energy to rise to $4 trillion by 2030.

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Clean Energy Transition spans hydrogen strategies, offshore wind and undersea cables, decarbonization pledges, and net-zero targets, including green vs blue hydrogen, carbon capture, sustainable aviation fuel, forest conservation, and wetland protection in Canadian policy.

Key Points

A shift to low-carbon systems via hydrogen, renewables, net-zero policies, carbon capture, and conservation.

✅ Hydrogen pathways: green vs blue with carbon capture

✅ Grid expansion: offshore wind and undersea cables in Japan

✅ Policy and corporate moves: net-zero, SAF, forests, wetlands

The Canadian federal government is set to sign a new agreement with Germany to strategize on a “clean-energy transition,” with clean hydrogen in Canada expected to be a key player the Globe and Mail reports.

“Germany is probably the world’s most interesting market for hydrogen right now, and Canada is potentially a very big power in its production,” Sabine Sparwasser, Germany’s ambassador to Canada, said in an interview.

However, some friction is expected as Natural Resources Minister Seamus O’Regan has been endorsing “blue” hydrogen, while Germany has been more interested in “green” hydrogen. The former hydrogen is produced from natural gas or other fossil fuels, while simultaneously “using carbon-capture technology to minimize emissions from the process.” In contrast, “green” hydrogen, is manufactured from non-fossil fuel sources, and cleaning up Canada's electricity is critical to meeting climate pledges.

“How the focus on blue hydrogen will be aligned with Canada’s goal of reaching climate neutrality by 2050 is not spelled out in detail,” says an executive summary of the report by the Berlin-based think tank and consultancy Adelphi. “As a result, the strategy seems to be more of a vision for the future of those provinces with large fossil fuel resources.”

According to an IEA report Canada will need more electricity to hit net-zero, underscoring the strategy questions.

Internationally

Japan is in talks to develop undersea cables that would bring offshore wind energy to Tokyo and the Kansai region, as the country hopes to more than quadrable its wind capacity from 10 gigawatts in 2030 to 45 gigawatts in 2040. The construction of the cables would cost about US$9.2 billion.

In Western Canada, bridging the electricity gap between Alberta and B.C. makes similar climate sense, proponents argue.

Approximately 80 per cent of that offshore power is expected to be built in Hokkaido, Tohoku, and Kyushu regions. The project is part of the country’s pledge to achieve decarbonization by 2050, according to BNN Bloomberg.

Meanwhile, Russia is falling behind in the world’s transition to clean energy.

“What’s the alternative? Russia can’t be an exporter of clean energy, that path isn’t open for us,” says Konstantin Simonov, director of the National Energy Security Fund, a Moscow consultancy whose clients include major oil and gas companies. “We can’t just swap fossil fuel production for clean energy production, because we don’t have any technology of our own.” Ultimately, natural gas will always be cheaper than renewable energy in Russia, Simonov added. This story also from BNN Bloomberg.

Finally, New Zealand’s Tilt Renewables Ltd., an electricity company, has announced it would be acquired by Powering Australian Renewables (PowAR) for NZ$2.94 billion (US$2.10 billion). PowAR is Australia’s largest owner of wind and solar energy, and the deal will give the energy giant access to Tilt’s 20 wind farms. Reuters has the story.

In Canada  

Air Canada has unveiled plans to fight climate change. Specifically, the airlines giant has committed to reducing greenhouse gases (GHG) by 20 per cent from flights by 2030, investing $50 million in sustainable aviation fuel (SAF), and ensuring net-zero emissions by 2050.

In other news, B.C. is facing mounting pressure to abstain from logging “old growth forests” while the government transitions to more sustainable forestry policies. A report titled A New Future for Old Forests called on the provincial government to act within six months to protect such forests in April 2020.

The province's Site C mega dam is billions over budget but will go ahead, the premier said, highlighting the energy sector's complexity.

Last September, the province announced, “it would temporarily defer old growth harvesting in close to 353,000 hectares in nine different areas.” The B.C. government will hold consultations with First Nations and other forestry stakeholders “to determine the next areas where harvesting may be deferred,” according to Forests Minister Katrine Conroy. The Canadian Press has more.

Separately, LNG powered with electricity could be a boon for B.C.'s independent power producers, analysts say.

Finally, Pickering Developments Inc. has come forward saying it will not “alter or remove the wetland” that was meant to house an Amazon facility, according to CBC News.

The announcement comes after CBC News’s previously reported that the Toronto and Region Conservation Authority (TRCA) was pressured to issue a construction permit to Pickering Developments Inc. by Doug Ford’s provincial government. However, on March 12, an official with Amazon Canada told CBC News that the company no longer wished to build a warehouse on the site.

“In light of a recent announcement that a new fulfilment centre will no longer be located on this property, this voluntary undertaking ensures that no work, legally authorized by that permit, will occur,” Pickering Development Inc. said in a statement provided to CBC Toronto.

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EV Tipping Point signals the S-curve shift to mainstream adoption as new car sales pass 5%, with the US joining Europe and China; charging infrastructure, costs, and supply align to accelerate electric car market penetration.

Key Points

The EV tipping point is when fully electric cars reach about 5% of new sales, triggering rapid S-curve adoption.

✅ 5% of new car sales marks start of mass adoption

✅ Follows S-curve seen in phones, LEDs, internet

✅ Barriers ease: charging, cost declines, model availability

Many people of a certain age can recall the first time they held a smartphone. The devices were weird and expensive and novel enough to draw a crowd at parties. Then, less than a decade later, it became unusual not to own one.

That same society-altering shift is happening now with electric vehicles, according to a Bloomberg analysis of adoption rates around the world. The US is the latest country to pass what’s become a critical EV tipping point: an EV inflection point when 5% of new car sales are powered only by electricity. This threshold signals the start of mass EV adoption, the period when technological preferences rapidly flip, according to the analysis.

For the past six months, the US joined Europe and China — collectively the three largest car markets — in moving beyond the 5% tipping point, as recent U.S. EV sales indicate. If the US follows the trend established by 18 countries that came before it, a quarter of new car sales could be electric by the end of 2025. That would be a year or two ahead of most major forecasts.

How Fast Is the Switch to Electric Cars?
19 countries have reached the 5% tipping point, and an earlier-than-expected shift is underway—then everything changes

Why is 5% so important? 
Most successful new technologies — electricity, televisions, mobile phones, the internet, even LED lightbulbs — follow an S-shaped adoption curve, with EVs going from zero to 2 million in five years according to market data. Sales move at a crawl in the early-adopter phase, then surprisingly quickly once things go mainstream. (The top of the S curve represents the last holdouts who refuse to give up their old flip phones.)

Electric cars inline tout
In the case of electric vehicles, 5% seems to be the point when early adopters are overtaken by mainstream demand. Before then, sales tend to be slow and unpredictable, and still behind gas cars in most markets. Afterward, rapidly accelerating demand ensues.

It makes sense that countries around the world would follow similar patterns of EV adoption. Most impediments are universal: there aren’t enough public chargers, grid capacity concerns linger, the cars are expensive and in limited supply, buyers don’t know much about them. Once the road has been paved for the first 5%, the masses soon follow.

Thus the adoption curve followed by South Korea starting in 2021 ends up looking a lot like the one taken by China in 2018, which is similar to Norway after its first 5% quarter in 2013. The next major car markets approaching the tipping point this year include Canada, Australia, and Spain, suggesting that within a decade many drivers could be in EVs worldwide. 

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