How Synchrophasors are Bringing the Grid into the 21st Century


Synchrophasors and the Smart Grid

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Synchrophasors deliver PMU-based, real-time monitoring for the smart grid, helping NYISO prevent blackouts, cut costs, and integrate renewables, with DOE-backed deployments boosting reliability, situational awareness, and data sharing across regional partners.

 

Key Points

Synchrophasors, or PMUs, are grid sensors that measure synced voltage, current, and frequency to enhance reliability.

✅ Real-time grid visibility and situational awareness

✅ Early fault detection to prevent cascading outages

✅ Supports renewable integration and lowers operating costs

 

Have you ever heard of a synchrophasor? It may sound like a word out of science fiction, but these mailbox-sized devices are already changing the electrical grid as we know it.

The grid was born over a century ago, at a time when our needs were simpler and our demand much lower. More complex needs are putting a heavy strain on the aging infrastructure, which is why we need to innovate and update our grid with investments in a smarter electricity infrastructure so it’s ready for the demands of today.

That’s where synchrophasors come in.

A synchrophasor is a sophisticated monitoring device that can measure the instantaneous voltage, current and frequency at specific locations on the grid. This gives operators a near-real-time picture of what is happening on the system, including insights into power grid vulnerabilities that allow them to make decisions to prevent power outages.

Just yesterday I attended the dedication of the New York Independent System Operator's smart grid control center, a $75 million project that will use these devices to locate grid problems at an early stage and share these data with their regional partners. This should mean fewer blackouts for the State of New York. I would like to congratulate NYISO for being a technology leader.

And not only will these synchrophasors help prevent outages, but they also save money. By providing more accurate and timely data on system limits, synchrophasors make the grid more reliable and efficient, thereby reducing planning and operations costs and addressing grid modernization affordability concerns for utilities.

The Department has worked with utilities across the country to increase the number of synchrophasors five-fold -- from less than 200 in 2009 to over 1,700 today. And this is just a part of our commitment to making a smarter, more resilient grid a reality, reinforced by grid improvement funding from DOE.

In September 2013, the US Department of Energy announced up to $9 million in funding to facilitate rapid response to unusual grid conditions. As a result, utilities will be able to better detect and head off potential blackouts, while improving day-to-day grid reliability and helping with the integration of solar into the grid and other clean renewable sources.

If you’d like to learn more about our investments in the smart grid and how they are improving our electrical infrastructure, please visit the Office of Electricity Delivery and Energy Reliability’s www.smartgrid.gov.

Patricia Hoffman is Assistant Secretary, Office of Electricity Delivery & Energy Reliability

 

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German Energy Demand Hits Historic Low Amid Economic Stagnation

Germany Energy Demand Decline reflects economic stagnation, IEA forecasts, and the Energiewende, as industrial output slips and efficiency gains, renewables growth, and cost-cutting reduce fossil fuel use while reshaping sustainability and energy security.

 

Key Points

A projected 7% drop in German energy use driven by industrial slowdown, efficiency gains, and renewables expansion.

✅ IEA projects up to 7% demand drop in the next year

✅ Industrial slowdown and efficiency programs cut consumption

✅ Energiewende shifts mix to wind, solar, and less fossil fuel

 

Germany is on the verge of experiencing a significant decline in energy demand, with forecasts suggesting that usage could hit a record low as the country grapples with economic stagnation. This shift highlights not only the immediate impacts of sluggish economic growth but also broader trends in energy consumption, Europe's electricity markets, sustainability, and the transition to renewable resources.

Recent data indicate that Germany's economy is facing substantial challenges, including high inflation and reduced industrial output. As companies struggle to maintain profitability amid nearly doubled power prices and rising costs, many have begun to cut back on energy consumption. This retrenchment is particularly pronounced in energy-intensive sectors such as manufacturing and chemical production, which are crucial to Germany's export-driven economy.

The International Energy Agency (IEA) has projected that German energy demand could decline by as much as 7% in the coming year, a stark contrast to the trends seen in previous decades. This decline is primarily driven by a combination of factors, including reduced industrial activity, increased energy efficiency measures, and a shift toward alternative energy sources, as well as mounting pressures on local utilities to stay solvent. The current economic landscape has led businesses to prioritize cost-cutting measures, including energy efficiency initiatives aimed at reducing consumption.

In the context of these developments, Germany’s energy transition—known as the "Energiewende"—is becoming increasingly significant. The country has made substantial investments in renewable energy sources such as wind, solar, and biomass in recent years. As energy efficiency improves and the share of renewables in the energy mix rises, traditional fossil fuel consumption has begun to wane. This transition is seen as both a response to climate change and a strategy for energy independence, particularly in light of geopolitical tensions and Europe's wake-up call to ditch fossil fuels across the continent.

However, the current stagnation presents a paradox for the German energy sector. While lower energy demand may ease some pressures on supply and prices, it also raises concerns about the long-term viability of investments in renewable energy infrastructure, even as debates continue over electricity subsidies for industry to support competitiveness. The economic slowdown has the potential to derail progress made in reducing carbon emissions and achieving energy targets, particularly if it leads to decreased investment in green technologies.

Another layer to this issue is the potential impact on employment within the energy sector. As energy demand decreases, there may be a ripple effect on jobs tied to traditional energy production and even in renewable energy sectors if investment slows. Policymakers are now tasked with balancing the immediate need for economic recovery, illustrated by the 200 billion-euro energy price shield, with the longer-term goal of achieving sustainability and energy security.

The effects of the stagnation are also being felt in the residential sector. As households face increased living costs and rising heating and electricity costs, many are becoming more conscious of their energy consumption. Initiatives to improve home energy efficiency, such as better insulation and energy-efficient appliances, are gaining traction among consumers looking to reduce their utility bills. This shift toward energy conservation aligns with broader national goals of reducing overall energy consumption and carbon emissions.

Despite the challenges, there is a silver lining. The current situation offers an opportunity for Germany to reassess its energy strategies and invest in technologies that promote sustainability while also addressing economic concerns. This could include increasing support for research and development in green technologies, enhancing energy efficiency programs, and incentivizing businesses to adopt cleaner energy practices.

Furthermore, Germany’s experience may serve as a case study for other nations grappling with similar issues. As economies around the world face the dual pressures of recovery and sustainability, the lessons learned from Germany’s current energy landscape could inform strategies for balancing these often conflicting priorities.

In conclusion, Germany is poised to witness a historic decline in energy demand as economic stagnation takes hold. While this trend poses challenges for the energy sector and economic growth, it also highlights the importance of sustainability and energy efficiency in shaping the future. As the nation navigates this complex landscape, the focus will need to be on fostering innovation and investment that aligns with both immediate economic needs and long-term environmental goals. The path forward will require a careful balancing act, but with the right strategies, Germany can emerge as a leader in sustainable energy practices even in challenging times.

 

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Federal government spends $11.8M for smart grid technology in Sault Ste. Marie

Sault Ste. Marie Smart Grid Investment upgrades PUC Distribution infrastructure with federal funding, clean energy tech, outage reduction, customer insights, and reliability gains, creating 140 jobs and attracting industry to a resilient, efficient grid.

 

Key Points

A federally funded PUC Distribution project to modernize the citywide grid, cut outages, boost efficiency, and create jobs.

✅ $11.8M federal funding to PUC Distribution

✅ Citywide smart grid cuts outages and energy loss

✅ 140 jobs; attracts clean tech and industry

 

PUC Distribution Inc. in Sault Ste. Marie is receiving $11.8 million from the federal government to invest in infrastructure, as utilities nationwide have faced pandemic-related losses that underscore the need for resilient systems.

The MP for the riding, Terry Sheehan, made the announcement on Monday.

The money will go to the utility's smart grid project, where technologies like a centralized SCADA system can enhance situational awareness and control.

"This smart grid project offers a glimpse into our clean energy future and represents a new wave of economic activity for the region," Sheehan said.

"Along with job creation, new industries will be attracted to a modern grid, supported by stable electricity pricing that helps competitiveness, all while helping the environment."

His office says the investment will allow the utility to reduce outages, provide more information to customers to help make smarter electricity use choices, aligned with Ontario's energy-efficiency programs that encourage conservation, and offer more services.

"This is an innovative project that makes Sault Ste. Marie a leader," mayor Christian Provenzano said.

"We will be the first city in our country to implement a community-wide smart grid. Once it is complete, the smart grid will make our energy infrastructure more reliable, reduce energy loss and lead to a more innovative economy for our community."

The project will also create 140 new jobs.

"As a community-focused utility, we are always looking for innovative ways to help our customers save money amid concerns about hydro disconnections during winter, and reduce their carbon footprint," Rob Brewster, president and CEO of PUC Distribution said.

"The investment the government has made in our community will not only help modernize our city's electrical distribution system [as] once the project is complete, Sault Ste. Marie will have access to an electricity grid that can handle the growing demands of a city in the 21st century."

 

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Dewa in China to woo renewable energy firms

Dewa-China Renewable Energy Partnership advances solar, clean energy, smart grid, 5G, cloud, and Big Data, linking Dewa with Hanergy and Huawei for R&D, smart meters, demand management, and resilient network infrastructure.

 

Key Points

A Dewa collaboration with Hanergy and Huawei to co-develop solar, smart grid, 5G, cloud, and resilient utility networks.

✅ MoU expands solar PV and distributed generation in Dubai and China

✅ Smart grid R&D: smart meters, demand response, self-healing networks

✅ 5G, cloud, and Big Data enable secure, scalable smart city services

 

A high-level delegation from Dubai Electricity and Water Authority (Dewa) recently visited China in bid to build closer ties with Chinese renewable and clean energy and smart services and smart grid companies, amid broader power grid modernization in Asia trends.

The team led by the managing director and CEO Saeed Mohammed Al Tayer visited the headquarters of Hanergy Holding Group, one of the largest international companies in alternative and renewable energy, in Beijing.

The visit complements the co-operation between Dewa and Hanergy after the signing MoU between the two sides last May, said a statement from Dewa.

The two parties focused on renewable and clean energy and its development, including efforts to integrate solar into the grid through advanced programs, and enhancing opportunities for joint investment.

Al Tayer also visited the Exhibition Hall and Exhibition Centre of the Hanergy Clean Energy Exhibition spread over a 7,000-sq-m area at the Beijing Olympic Park.

He discussed solar power technologies and applications, which included integrated photovoltaic panels and their distribution on the roofs of industrial and residential buildings, residential and mobile power systems, micro-grid installations in remote regions, solar-powered vehicles, and various elements of the exhibition.

Al Tayer and the accompanying delegation later visited the Beijing R&D Centre, which is one of Huaweis largest research institutes, known for Huawei smart grid initiatives across global markets, that employs over 12,000 people. The centre covers the latest pre-5G solutions, Cloud, Big Data, as well as vertical solutions for a smart and safe city.

"The visit is part of a joint venture with Huawei, which includes R&D projects to develop smart network infrastructures and various mechanisms and technologies, aligned with recent U.S. grid improvement funding initiatives, such as smart meters for electricity and water services, energy demand management, and self-recovery mechanisms from errors and disasters," he added.

 

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Florida Power & Light Faces Controversy Over Hurricane Rate Surcharge

FPL Hurricane Surcharge explained: restoration costs, Florida PSC review, rate impacts, grid resilience, and transparency after Hurricanes Debby and Helene as FPL funds infrastructure hardening and rapid storm recovery across Florida.

 

Key Points

A fee by Florida Power & Light to recoup hurricane restoration costs, under Florida PSC review for consumer fairness.

✅ Funds Debby and Helene restoration, materials, and crews

✅ Reviewed by Florida PSC for consumer protection and fairness

✅ Raises questions on grid resilience, transparency, and renewables

 

In the aftermath of recent hurricanes, Florida Power & Light (FPL) is under scrutiny as it implements a rate surcharge, alongside proposed rate hikes that span multiple years, to help cover the costs of restoration and recovery efforts. The surcharges, attributed to Hurricanes Debby and Helene, have stirred significant debate among consumers and state regulators, highlighting the ongoing challenges of hurricane preparedness and response in the Sunshine State.

Hurricanes are a regular threat in Florida, and FPL, as the state's largest utility provider, plays a critical role in restoring power and services after such events. However, the financial implications of these natural disasters often leave residents questioning the fairness and necessity of additional charges on their monthly bills. The newly proposed surcharge, which is expected to affect millions of customers, has ignited discussions about the adequacy of the company’s infrastructure investments and its responsibility in disaster recovery.

FPL’s decision to implement a surcharge comes as the company faces rising operational costs due to extensive damage caused by the hurricanes. Restoration efforts are not only labor-intensive but also require significant investment in materials and equipment to restore power swiftly and efficiently. With the added pressures of increased demand for electricity during peak hurricane seasons, utilities like FPL must navigate complex financial landscapes, similar to Snohomish PUD's weather-related rate hikes seen in other regions, while ensuring reliable service.

Consumer advocacy groups have raised concerns over the timing and justification for the surcharge. Many argue that frequent rate increases following natural disasters can strain already financially burdened households, echoing pandemic-related shutoff concerns raised during COVID that heightened energy insecurity. Florida residents are already facing inflationary pressures and rising living costs, making additional surcharges particularly difficult for many to absorb. Critics assert that utility companies should prioritize transparency and accountability, especially when it comes to costs incurred during emergencies.

The Florida Public Service Commission (PSC), which regulates utility rates and services, even as California regulators face calls for action amid soaring bills elsewhere, is tasked with reviewing the surcharge proposal. The commission’s role is crucial in determining whether the surcharge is justified and in line with the interests of consumers. As part of this process, stakeholders—including FPL, consumer advocacy groups, and the general public—will have the opportunity to voice their opinions and concerns. This input is essential in ensuring that the commission makes an informed decision that balances the utility’s financial needs with consumer protection.

In recent years, FPL has invested heavily in strengthening its infrastructure to better withstand hurricane impacts. These investments include hardening power lines, enhancing grid resilience, and implementing advanced technologies for quicker recovery, with public outage prevention tips also promoted to enhance preparedness. However, as storms become increasingly severe due to climate change, the question arises: are these measures sufficient? Critics argue that more proactive measures are needed to mitigate the impacts of future storms and reduce the reliance on post-disaster rate increases.

Additionally, the conversation around climate resilience is becoming increasingly prominent in discussions about energy policy in Florida. As extreme weather events grow more common, utilities are under pressure to innovate and adapt their systems. Some experts suggest that FPL and other utilities should explore alternative strategies, such as investing in decentralized energy resources like solar and battery storage, even as Florida declined federal solar incentives that could accelerate adoption, which could provide more reliable service during outages and reduce the overall strain on the grid.

The issue of rate surcharges also highlights a broader conversation about the energy landscape in Florida. With a growing emphasis on renewable energy and sustainability, consumers are becoming more aware of the environmental impacts of their energy choices, and some recall a one-time Gulf Power bill decrease as an example of short-term relief. This shift in consumer awareness may push utilities like FPL to reevaluate their business models and explore more sustainable practices that align with the public’s evolving expectations.

As FPL navigates the complexities of hurricane recovery and financial sustainability, the impending surcharge serves as a reminder of the ongoing challenges faced by utility providers in a climate-volatile world. While the need for recovery funding is undeniable, the manner in which it is implemented and communicated will be crucial in maintaining public trust and ensuring fair treatment of consumers. As discussions unfold in the coming weeks, all eyes will be on the PSC’s decision and FPL’s approach to balancing recovery efforts with consumer affordability.

 

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Hong Kong to expect electricity bills to rise 1 or 2 per cent

Hong Kong Electricity Tariff Increase reflects a projected 1-2% rise as HK Electric and CLP Power shift to cleaner fuel and natural gas, expand gas-fired units and LNG terminals, and adjust the fuel clause charge.

 

Key Points

An expected 1-2% 2018 rise from cleaner fuel, natural gas projects, asset growth, and shrinking fuel cost surpluses.

✅ Expected 1-2% rise amid cleaner fuel and gas shift

✅ Fuel clause charge and asset expansion pressure prices

✅ HK Electric and CLP Power urged to use surpluses prudently

 

Hong Kong customers have been asked to expect higher electricity bills next year, as seen with BC Hydro rate increases in Canada, with a member of a government panel on energy policy anticipating an increase in tariffs of one or two per cent.

The environment minister, Wong Kam-sing, also hinted they should be prepared to dig deeper into their pockets for electricity, as debates over California electric bills illustrate, in the wake of power companies needing to use more expensive but cleaner fuel to generate power in the future.

HK Electric supplies power to Hong Kong Island, Lamma Island and Ap Lei Chau. Photo: David Wong

The city’s two power companies, HK Electric and CLP Power, are to brief lawmakers on their respective annual tariff adjustments for 2018, amid Ontario electricity price pressures drawing international attention, at a Legislative Council economic development panel meeting on Tuesday.

HK Electric supplies electricity to Hong Kong Island and neighbouring Lamma Island and Ap Lei Chau, while CLP Power serves Kowloon and the New Territories, including Lantau Island.

Wong said on Monday: “We have to appreciate that when we use cleaner fuel, there is a need for electricity tariffs to keep pace. I believe it is the hope of mainstream society to see a low-carbon and healthier environment.”

Secretary for the Environment Wong Kam-sing believes most people desire a low-carbon environment. Photo: Sam Tsang

But he declined to comment on how much the tariffs might rise.

World Green Organisation chief executive William Yu Yuen-ping, also a member of the Energy Advisory Committee, urged the companies to better use their “overflowing” surpluses in their fuel cost recovery accounts.

Tariffs are comprised of two components: a basic amount reflecting a company’s operating costs and investments, and the fuel clause charge, which is based on what the company projects it will pay for fuel for the year.

William Yu of World Green Organisation says the companies should use their surpluses more carefully. Photo: May Tse

Critics have claimed the local power suppliers routinely overestimate their fuel costs and amass huge surpluses.

In recent years, the two managed to freeze or cut their tariffs thanks to savings from lower fuel costs. Last year, HK Electric offered special rebates to its customers, which saw its tariff drop by 17.2 per cent. CLP Power froze its own charge for 2017.

Yu said the two companies should use the surpluses “more carefully” to stabilise tariffs.

Rise after fall in Hong Kong electricity use linked to subsidies

“We estimate a big share of the surplus has been used up and so the honeymoon period is over.”

Based on his group’s research, Yu believed the tariffs would increase by one or two per cent.

Economist and fellow committee member Billy Mak Sui-choi said the expansion of the power companies’ fixed asset bases, such as building new gas-fired units and offshore liquefied natural gas terminals, a pattern reflected in Nova Scotia's 14% rate hike recently approved by regulators, would also cause tariffs to rise.

To fight climate change and improve air quality, the government has pledged to cut carbon intensity by between 50 and 60 per cent by 2020. Officials set a target of boosting the use of natural gas for electricity generation to half the total fuel mix from 2020.

Both power companies are privately owned and monitored by the government through a mutually agreed scheme of control agreements, akin to oversight seen under the UK energy price cap in other jurisdictions. These require the firms to seek government approval for their development plans, including their projected basic tariff levels.

At present, the permitted rate of return on their net fixed assets is 9.99 per cent. The deals are due to expire late next year.

Earlier this year, officials reached a deal with the two companies on the post-2018 scheme, settling on a 15-year term. The new agreements slash their permitted rate of return to 8 per cent.

 

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Yale Report on Western Grid Integration: Just Say Yes

Western Grid Integration aligns CAISO with a regional transmission operator under FERC oversight, boosting renewables, reliability, and cost savings while respecting state energy policy, emissions goals, and utility regulation across the West.

 

Key Points

Western Grid Integration lets CAISO operate under FERC to cut costs, boost reliability, and accelerate renewables.

✅ Lowers wholesale costs via wider dispatch and resource sharing

✅ Improves reliability with regional balancing and reserves

✅ Preserves state policy authority under FERC oversight

 

A strong and timely endorsement for western grid integration forcefully rebuts claims that moving from a balkanized system with 38 separate entities to a regional operation could introduce environmental problems, raise costs, or, as critics warn, export California’s energy policies to other western states, or open state energy and climate policies to challenge by federal regulators. In fact, Yale University’s Environmental Protection Clinic identifies numerous economic and environmental benefits from allowing the California Independent System Operator to become a regional grid operator.

The groundbreaking report comprehensively examines the policy and legal merits of allowing the California Independent System Operator (CAISO) to become a regional grid operator, open to any western utility or generator that wants to join, as similar market structure overhauls proceed in New England.

The Yale report identifies the increasing constraints that today’s fragmented western grid imposes on system-wide electricity costs and reliability, addresses the potential benefits of integration, and evaluates  potential legal risks for the states involved. California receives particular attention because its legislature is considering the first step in the grid integration process, which involves authorizing the CAISO to create a fully independent board, even as it examines revamping electricity rates to clean the grid (other western states are unlikely to approve joining an entity whose governance is determined solely by California’s governor and legislature, as is the case now).

 

Elements of the report

The analysis examined all of California’s key energy and climate policies, from its cap on carbon emissions to its renewable energy goals and its pollution standards for power plants, and concludes that none would face additional legal risks under a fully integrated western grid. The operator of such a grid would be regulated by an independent federal agency (the Federal Energy Regulatory Commission)—but so is the CAISO itself, now and since its inception, by virtue of its extended involvement in interstate electricity commerce throughout the West. 

And if empowered to serve the entire region, the CAISO would not interfere with the longstanding rights of California and other states to regulate their utilities’ investments or set energy and climate policies. The study points out that grid operators don’t set energy policies for the states they serve; they help those states minimize costs, enhance reliability in the wake of California blackouts across the state, and avoid unnecessary pollution.

And as to whether an integrated grid would help renewable energy or fossil fuels, the report finds that renewable resources would be the inevitable winners, thanks to their lower operating costs, although the most important winners would be western utility customers, through lower bills, expanded retail choice options, and improved reliability.

 

Call to action

The Yale report concludes with what amounts to a call to action for California’s legislators:

“In sum, enhanced Western grid integration in general, and the emergence of a regional system operator in particular, would not expose California’s clean energy policies to additional legal risks. Shifting to a regional grid operator would enable more efficient, affordable and reliable integration of renewable resources without increasing the legal risk to California’s clean energy policies.”

The authors of the analysis, from the Yale Law School and the Yale School of Forestry and Environmental Studies, are Juliana Brint, Josh Constanti, Franz Hochstrasser. and Lucy Kessler. They dedicated months to the project, consulted with a diverse group of reviewers, and made the trek from New Haven to Folsom, CA, to visit the California Independent System Operator and interview key staff members.

 

 

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