Turning old tires into power

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Electrical Testing & Commissioning of Power Systems

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Environmental issues pertaining to the proposal by Crawford Renewable Energy to build what is called the “world’s largest” tires-to-energy plant 10 miles south of Meadville near the town of Cochranton are now before the Pennsylvania Department of Environmental Protection.

Air pollution was one of the prime reasons the same plant was stridently opposed when it was to be constructed on ErieÂ’s east side on former International Paper property.

A failed real estate deal and inadequate rail service were cited by the firm then called Erie Renewable Energy for the decision to shift to the site to Crawford County, although Erie opponents of the plant give credit to their opposition.

Although the air pollution issue still exists a position paper by the Lake Erie Group of the Sierra Club opposing the Crawford plant runs several pages, the problem was recently down played.

“The air pollution risks for this plant are actually extremely low,” said University of Pittsburgh professor Conrad Volz, who directs the Center for Healthy Environments and Communities at Pitt.

But Volz also said that ash from the plant could be a problem. “If concentrations of heavy metals created when tires are burned don’t go up the smokestacks, they’re going to stay in the ash. And how that ash would be handled isn’t clear.”

The plant would burn some 72,000 tires a day and produce enough power for 75,000 homes. It would provide 60 jobs, and 200 temporary construction jobs.

Although the Sierra Club and the Pitt professor would seem to be at odds, figures do show that the $350-million plant would be an air polluter. The Erie plant was to have had a 300-foot smokestack.

The plantÂ’s air quality permit application shows that the plantÂ’s yearly pollutants would include 253 tons of nitrogen dioxide, 143 tons of sulfur dioxide and 200 tons of particulate matter.

The site of the proposed plant is in an environmentally sensitive area, close to the 12,360-acre Conneaut-Geneva marsh, a globally significant bird habitat, and not far from the 8,800-acre Erie National Wildlife Refuge.

Only two tires-to-energy plants are operating in the U.S. The plant in Sterling, Conn., is one-third the size of the proposed Crawford plant. A smaller plant is in Ford Heights, Illinois. Plans for such plants have been rejected in Minnesota and in Ontario, Canada. In Modesto, California, a TDF tires-derived-fuel plant closed in 2000 after a huge pile of tires there caught fire.

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Texas utility companies waiving fees; city has yet to act

Texas Utility COVID-19 Relief suspends disconnections, waives late fees, extends payment plans, and supports broadband access as electric, gas, and internet providers help customers during the statewide emergency with speed upgrades and student WiFi initiatives.

 

Key Points

Texas utilities pause disconnections, waive fees, expand access, and offer flexible payment plans during COVID-19.

✅ Disconnections and late fees suspended by gas, power, internet.

✅ Payment plans and deferred balances after emergency.

✅ Bandwidth caps lifted; student WiFi access for remote learning.

 

In response to the COVID-19 pandemic, Texas utility companies have taken unprecedented steps to keep customers' lights on, gas flowing, and online connections stable -- even if they can't pay, amid concerns over pandemic electricity shutoffs nationwide.

Meantime, Palestine City Council members plan to discuss hardship measures Monday, as some states such as New Jersey and New York implement moratoriums on shut-offs, but have no plans yet to ease the burden of paying two other essential services during the statewide emergency -- trash collection and water. Those services are billed through the city.

For many residents, money will be tight after the statewide emergency declaration. Businesses are cutting back or closing. Workers are staying home to avoid the coronavirus.

"We are putting our customers first," Larry Ball, spokesman for Atmos Energy, a Dallas-based natural gas company, told the Herald-Press Friday. "The safety of all of our customers has always been our first priority."

While the declared emergency remains in effect, Atmos has suspended all late fees and customer disconnections, a step similar to PG&E's shutoff moratorium in California.

"Atmos Energy's commitment to safety, paired with our culture, have led us during unique times," Kevin Akers, Atmos President and CEO said. "This will be no different."

Internet Service Providers SuddenLink and Centurylink have similarly suspended all disconnections and late fees. Additionally, Centurylink, a global company serving 36 states, has promised to scrap bandwidth limits, while ensuring the highest speeds possible.

SuddenLink, a division of Altice Business, is also partnering with school districts in their service area to offer its Student WiFi product free for 60 days. That will allow students who have school-issued devices, but no dedicated home Internet access, the ability to use the Optimum WiFi Hot Spot Network to access their school's network and resources.

Electric companies such as TXU and Houston-based Gexa Energy also are working to keep customers safe and connected, and Entergy's relief fund highlights additional support for customers.

During the declared emergency, Gexa is waiving all disconnection and reconnection fees, as well as late fees, a policy focus that later intersected with debates over a proposed electricity market bailout in Texas. Payment plans will be set up for customers, after the crisis ends, Gexa Energy officials said.

"Everyone needs their power on," a Gexa spokesman said. "That is our number one priority."

TXU, based in Irving, is waiving late fees, extending payment due dates with no down-payment required, and deferring customer balances over multiple installments, while some retailers like Griddy underscored the risks of variable-rate plans.

If customers still can't pay, TXU officials said, the company will keep their lights on, a commitment underscored after the Texas winter storm outages exposed vulnerabilities. Customers in need should call 800-242-9113.

"The coronavirus is causing uncertainty and many hardships," Scott Hudson, president of TXU energy, said. "We are committed to serving our communities."

 

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Economic Crossroads: Bank Earnings, EV Tariffs, and Algoma Steel

Canada Economic Crossroads highlights bank earnings trends, interest rates, loan delinquencies, EV tariffs on Chinese imports, domestic manufacturing, Algoma Steel decarbonization, sustainability, and housing market risks shaping growth, investment, consumer prices, and climate policy.

 

Key Points

An overview of how bank earnings, EV tariffs, and Algoma Steel's transition shape Canada's economy.

✅ Higher rates lift margins but raise delinquencies and housing risks

✅ EV tariffs aid domestic makers but pressure consumer prices

✅ Algoma invests to decarbonize, boosting efficiency and compliance

 

In a complex economic landscape, recent developments have brought attention to several pivotal issues affecting Canada's business sector. The Globe and Mail’s latest report delves into three major topics: the latest bank earnings, the implications of new tariffs on Chinese electric vehicles (EVs), and Algoma Steel’s strategic maneuvers. These factors collectively paint a picture of the challenges and opportunities facing Canada's economy.

Bank Earnings Reflect Economic Uncertainty

The recent financial reports from major Canadian banks have revealed a mixed picture of the nation’s economic health. As the Globe and Mail reports, earnings results show robust performances in some areas while highlighting growing concerns in others. Banks have generally posted strong quarterly results, buoyed by higher interest rates which have improved their net interest margins. This uptick is largely attributed to the central bank's monetary policies aimed at combating inflation and stabilizing the economy.

However, the positive earnings are tempered by underlying economic uncertainties. Rising loan delinquencies and a slowing housing market are areas of concern. Increased interest rates, while beneficial for banks’ margins, have also led to higher borrowing costs for consumers and businesses. This dynamic has the potential to impact overall economic growth and consumer confidence.

Tariffs on Chinese EVs: A Strategic Shift

Another significant development is the imposition of new tariffs on Chinese electric vehicles. This move is part of a broader strategy to protect domestic automotive industries and address trade imbalances, aligning with public support for tariffs in key sectors. The tariffs are expected to increase the cost of Chinese EVs in Canada, which could have several implications for the market.

On one hand, the tariffs might provide a temporary boost to Canadian and North American manufacturers by reducing competition from lower-priced Chinese imports. This protectionist measure could encourage investments in local production and innovation, mirroring tariff threats boosting support for energy projects in other sectors. However, the increased cost of Chinese EVs may also lead to higher prices for consumers, potentially slowing the adoption of electric vehicles—a critical goal in Canada’s climate strategy.

The tariffs come at a time when the Canadian government is keen on accelerating the transition to electric mobility to meet its environmental targets, even as a critical crunch in electrical supply raises questions about grid readiness. Balancing the protection of domestic industries with the broader goal of reducing emissions will be a significant challenge moving forward.

Algoma Steel’s Strategic Evolution

In the steel industry, Algoma Steel has been making headlines with its strategic initiatives aimed at transforming its operations, in a broader shift toward clean grids and industrial decarbonization. The Globe and Mail highlights Algoma Steel's efforts to modernize its production processes and shift towards more sustainable practices. This includes significant investments in technology and infrastructure to enhance production efficiency and reduce environmental impact.

Algoma's focus on reducing carbon emissions aligns with broader industry trends towards sustainability. The company’s efforts are part of a larger push within the steel sector to address climate change and meet regulatory requirements. As one of Canada’s leading steel producers, Algoma’s actions could set a precedent for the industry, showcasing how traditional manufacturing sectors can adapt to evolving environmental standards.

Implications and Future Outlook

The interplay of these developments reflects a period of significant transition for Canada's economy, shaped in part by U.S. policy where Biden is seen as better for Canada's energy sector by some analysts. For banks, the challenge will be to navigate the balance between profitability and potential risks from a changing economic environment. The new tariffs on Chinese EVs represent a strategic shift with mixed implications for the automotive market, potentially influencing both domestic production and consumer prices. Meanwhile, Algoma Steel’s push towards sustainability could serve as a model for other industries seeking to align with environmental goals.

As these issues unfold, stakeholders across sectors will need to stay informed and adaptable. For policymakers, the challenge will be to support domestic industries while fostering innovation and sustainability, including the dilemma over electricity rates and innovation they must weigh. For businesses, the focus will be on navigating financial pressures and leveraging opportunities for growth. Consumers, in turn, will face the impact of these developments in their daily lives, from the cost of borrowing to the price of electric vehicles.

In summary, Canada’s current economic landscape is characterized by a blend of financial resilience, strategic adjustments, and evolving industry practices, amid policy volatility such as a tariff threat delaying Quebec's green energy bill earlier this year. As the country navigates these crossroads, the outcomes of these developments will play a crucial role in shaping the future economic environment.

 

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France Demonstrates the Role of Nuclear Power Plants

France Nuclear Power Strategy illustrates a low-carbon, reliable baseload complementing renewables in the energy transition, enhancing grid reliability, energy security, and emissions reduction, offering actionable lessons for Germany on infrastructure, policy, and public acceptance.

 

Key Points

France's nuclear strategy is a low-carbon baseload model supporting renewables, grid reliability, and energy security.

✅ Stable low-carbon baseload complements intermittent renewables

✅ Enhances grid reliability and national energy security

✅ Requires long-term investment, safety, and waste management

 

In recent months, France has showcased the critical role that nuclear power plants can play in an energy transition, offering valuable lessons for Germany and other countries grappling with their own energy challenges. As Europe continues to navigate its path towards a sustainable and reliable energy system, France's experience with nuclear energy underscores its potential benefits and the complexities involved, including outage risks in France that operators must manage effectively.

France, a long-time proponent of nuclear energy, generates about 70% of its electricity from nuclear power, making it one of the most nuclear-dependent countries in the world. This high reliance on nuclear energy has allowed France to maintain a stable and low-carbon electricity supply, which is increasingly significant as nations aim to reduce greenhouse gas emissions, even as Europe's nuclear capacity declines in several markets, and combat climate change.

Recent events in France have highlighted several key aspects of nuclear power's role in energy transition:

  1. Reliability and Stability: During periods of high renewable energy generation or extreme weather events, nuclear power plants have proven to be a stable and reliable source of electricity. Unlike solar and wind power, which are intermittent and depend on weather conditions, nuclear plants provide a consistent and continuous supply of power. This stability is crucial for maintaining grid reliability and ensuring that energy demand is met even when renewable sources are not producing electricity.

  2. Low Carbon Footprint: France’s commitment to nuclear energy has significantly contributed to its low carbon emissions. By relying heavily on nuclear power, France has managed to reduce its greenhouse gas emissions substantially compared to many other countries. This achievement is particularly relevant as Europe strives to meet ambitious climate targets, with debates over a nuclear option in Germany highlighting climate trade-offs, and reduce overall carbon footprints. The low emissions associated with nuclear power make it an important tool for achieving climate goals and transitioning away from fossil fuels.

  3. Energy Security: Nuclear power has played a vital role in France's energy security. The country’s extensive network of nuclear power plants ensures a stable and secure supply of electricity, reducing its dependency on imported energy sources. This energy security is particularly important in the context of global energy market fluctuations and geopolitical uncertainties. France’s experience demonstrates how nuclear energy can contribute to a nation’s energy independence and resilience.

  4. Economic Benefits: The nuclear industry in France also provides significant economic benefits. It supports thousands of jobs in construction, operation, and maintenance of power plants, as well as in the supply chain for nuclear fuel and waste management. Additionally, the stable and relatively low cost of nuclear-generated electricity can contribute to lower energy prices for consumers and businesses, enhancing economic stability.

Germany, in contrast, has been moving away from nuclear energy, particularly following the Fukushima disaster in 2011. The country has committed to phasing out its nuclear reactors by 2022 and focusing on expanding renewable energy sources such as wind and solar power. While Germany's renewable energy transition has made significant strides, it has also faced challenges related to grid stability, as Germany's energy balancing act illustrates for policymakers, energy storage, and maintaining reliable power supplies during periods of low renewable generation.

France’s experience with nuclear energy offers several lessons for Germany and other nations considering their own energy strategies:

  • Balanced Energy Mix: A diverse energy mix that includes nuclear power alongside renewable sources can help ensure a stable and reliable electricity supply, as ongoing discussions about a nuclear resurgence in Germany emphasize for policymakers today. While renewable energy is essential for reducing carbon emissions, it can be intermittent and may require backup from other sources to maintain grid reliability. Nuclear power can complement renewable energy by providing a steady and consistent supply of electricity.

  • Investment in Infrastructure: To maximize the benefits of nuclear energy, investment in infrastructure is crucial. This includes not only the construction and maintenance of power plants but also the development of waste management systems and safety protocols. France’s experience demonstrates the importance of long-term planning and investment to ensure the safe and effective use of nuclear technology.

  • Public Perception and Policy: Public perception of nuclear energy can significantly impact its adoption and deployment, and ongoing Franco-German nuclear disputes show how politics shape outcomes across borders. Transparent communication, rigorous safety standards, and effective waste management are essential for addressing public concerns and building trust in nuclear technology. France’s successful use of nuclear power is partly due to its emphasis on safety and regulatory compliance.

In conclusion, France's experience with nuclear power provides valuable insights into the role that this technology can play in an energy transition. By offering a stable, low-carbon, and reliable source of electricity, nuclear power complements renewable energy sources and supports overall energy security. As Germany and other countries navigate their energy transitions, France's example underscores the importance of a balanced energy mix, robust infrastructure, and effective public engagement in harnessing the benefits of nuclear power while addressing associated challenges, with industry voices such as Eon boss on nuclear debate underscoring the sensitivity of cross-border critiques.

 

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Abu Dhabi seeks investors to build hydrogen-export facilities

ADNOC Hydrogen Export Projects target global energy transition, courting investors and equity stakes for blue and green hydrogen, ammonia shipping, CCS at Ruwais, and long-term supply contracts across power, transport, and industrial sectors.

 

Key Points

ADNOC plans blue and green hydrogen exports, leveraging Ruwais, CCS, and ammonia to secure long-term supply.

✅ Blue hydrogen via gas reforming with CCS; ammonia for shipping.

✅ Green hydrogen from solar-powered electrolysis under development.

✅ Ruwais expansions and Fertiglobe ammonia tie-up target long-term supply.

 

Abu Dhabi is seeking investors to help build hydrogen-export facilities, as Middle Eastern oil producers plan to adopt cleaner energy solutions, sources told Bloomberg.

Abu Dhabi National Oil Company (ADNOC) is holding talks with energy companies for them to purchase equity stakes in the hydrogen projects, the sources referred, as Germany's hydrogen strategy signals rising import demand.

ADNOC, which already produces hydrogen for its refineries, also aims to enter into long-term supply contracts, as Canada-Germany clean energy cooperation illustrates growing cross-border demand, before making any progress with these investments.

Amid a global push to reduce greenhouse-gas emissions, the state-owned oil companies in the Gulf region seek to turn their expertise in exporting liquid fuel into shipping hydrogen or ammonia across the world for clean and universal electricity needs, transport, and industrial use.

Most of the ADNOC exports are expected to be blue hydrogen, created by converting natural gas and capturing the carbon dioxide by-product that can enable using CO2 to generate electricity approaches, according to Bloomberg.

The sources said that the Abu Dhabi-based company will raise its production of hydrogen by expanding an oil-processing plant and the Borouge petrochemical facility at the Ruwais industrial hub, supporting a sustainable electric planet vision, as the extra hydrogen will be used for an ammonia facility planned with Fertiglobe.

Abu Dhabi also plans to develop green hydrogen, similar to clean hydrogen in Canada initiatives, which is generated from renewable energy such as solar power.

Noteworthy to mention, in May 2021, ADNOC announced that it will construct a world-scale blue ammonia production facility in Ruwais in Abu Dhabi to contribute to the UAE's efforts to create local and international hydrogen value chains.

 

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California Public Utilities Commission sides with community energy program over SDG&E

CPUC Decision on San Diego Community Power directs SDG&E to use updated forecasts, stabilizing electricity rates for CCA customers and supporting clean energy in San Diego with accurate rate forecasting and reduced volatility.

 

Key Points

A CPUC ruling directing SDG&E to use updated forecasts to ensure accurate, stable CCA rates and limit volatility.

✅ Uses 2021 sales forecasts for rate setting

✅ Aims to prevent undercollection and bill spikes

✅ Levels changes across customer classes

 

The California Public Utilities Commission on Thursday sided with the soon-to-launch San Diego community energy program in a dispute it had with San Diego Gas & Electric.

San Diego Community Power — which will begin to purchase power for customers in San Diego, Chula Vista, La Mesa, Encinitas and Imperial Beach later this year — had complained to the commission that data SDG&E intended to use to calculate rates, including community choice exit fees that could make the new energy program less attractive to prospective customers.

SDG&E argued it was using numbers it was authorized to employ as part of a general rate case amid a potential rate structure revamp that is still being considered by the commission.

But in a 4-0 vote, the commission, or CPUC, sided with San Diego Community Power and directed SDG&E to use an updated forecast for energy sales.

"This was not an easy decision," said CPUC president Marybel Batjer at the meeting, held remotely due to COVID-19 restrictions. "In my mind, this outcome best accounts for the shifting realities ... in the San Diego area while minimizing the impact on ratepayers during these difficult financial times."

In filings to the commission, SDG&E predicted a rate decrease of 12.35 percent in the coming year. While that appears to be good news for customers, Californians still face soaring electricity prices statewide, Commissioner Martha Guzman Aceves said the data set SDG&E wanted to use would lead to an undercollection of $150 million to $260 million.

That would result in rates that would be "artificially low," Guzman Aceves said, and rates "would inevitably go up quite a bit after the undercollection was addressed."

San Diego Community Power, or SDCP, said the temporary reduction would make its rates less attractive than SDG&E's, especially amid SDG&E's minimum charge proposal affecting low-usage customers, just as it is about to begin serving customers. SDCP's board members wrote an open letter last month to the commission, accusing the utility of "willful manipulation of data."

Working with an administrative law judge at the CPUC, Guzman Aceves authored a proposal requiring SDG&E to use numbers based on 2021 forecasts, as regulators simultaneously weigh whether the state needs more power plants to ensure reliability. The utility argued that could result in an increase of "roughly 40 percent" for medium and large commercial and industrial customers this year.

To help reduce potential volatility, Guzman Aceves, SDCP and other community energy supporters called for using a formula that would average out changes in rates across customer classes amid debates over income-based utility charges statewide. That's what the commissioners OK'd Thursday.

"It is essential that customer commodity rates be as accurate as we can possibly get them to avoid undercollections," said Commissioner Genevieve Shiroma.

San Diego Community Power is one of 23 community choice aggregation, or CCA, energy programs that have launched in California in the past decade.

CCAs compete with traditional power companies amid California's evolving power competition landscape, in one important role — purchasing power for a given community. They were created to boost the use of cleaner energy sources, such as wind and solar, at rates equal to or lower than investor-owned utilities.

However, CCAs do not replace utilities because the incumbent power companies still perform all of the tasks outside of power purchasing, such as transmission and distribution of energy and customer billing.

When a CCA is formed, California rules stipulate the utility customers in that area are automatically enrolled in the CCA. If customers prefer to stay with their previous power company, they can opt out of joining the CCA.

The shift of customers from SDG&E to San Diego Community Power is expected to be large. The total number of accounts for SDCP is expected to be 770,000, which would make it the second-largest CCA in the state. That's why SDCP considered Thursday's CPUC decision to be so important.

"At a time when customers are choosing between sticking with San Diego Gas & Electric and migrating to a CCA, we want them to have accurate bill information," said Commissioner Clifford Rechtschaffen.

"SDCP is very happy with today's CPUC decision, and that the commissioners shared our goal of limiting rate volatility for businesses and families in the region," said SDCP interim CEO Bill Carnahan. "This is definitely a win for accurate rate forecasting, and our mutual customers, and we look forward to working with SDG&E on next steps."

In an email, SDG&E spokeswoman Helen Gao said, "We are committed to continuing to work collaboratively with local Community Choice Aggregation programs to support their successful launch in 2021 and ensure that our mutual customers receive excellent customer service."

San Diego Community Power's case before the CPUC was joined by the California Community Choice Association, a trade group advocating for CCAs, and the Clean Energy Alliance — the North County-based CCA representing Del Mar, Solana Beach and Carlsbad that is scheduled to launch this summer.

SDCP will begin its rollout this year, folding in about 71,000 municipal, commercial and industrial accounts. The bulk of its roughly 700,000 residential accounts is expected to come in January 2022.

 

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Utilities see benefits in energy storage, even without mandates

Utility Battery Storage Rankings measure grid-connected capacity, not ownership, highlighting MW, MWh, and watts per customer across PJM, MISO, and California IOUs, featuring Duke Energy, IPL, ancillary services, and frequency regulation benefits.

 

Key Points

Rankings that track energy storage connected to utility grids, comparing MW, MWh, and W/customer rather than ownership.

✅ Ranks by MW, MWh, and watts per customer, not asset ownership

✅ Highlights PJM, MISO cases and California IOUs' deployments

✅ Examples: Duke Energy, IPL, IID; ancillary services, frequency response

 

The rankings do not tally how much energy storage a utility built or owns, but how much was connected to their system. So while IPL built and owns the storage facility in its territory, Duke does not own the 16 MW of storage that connected to its system in 2016. Similarly, while California’s utilities are permitted to own some energy storage assets, they do not necessarily own all the storage facilities connected to their systems.

Measured by energy (MWh), IPL ranked fourth with 20 MWh, and Duke Energy Ohio ranked eighth with 6.1 MWh.

Ranked by energy storage watts per customer, IPL and Duke actually beat the California utilities, ranking fifth and sixth with 42 W/customer and 23 W/customer, respectively.

Duke ready for next step

Given Duke’s plans, including projects in Florida that are moving ahead, the utility is likely to stay high in the rankings and be more of a driving force in development. “Battery technology has matured, and we are ready to take the next step,” Duke spokesman Randy Wheeless told Utility Dive. “We can go to regulators and say this makes economic sense.”

Duke began exploring energy storage in 2012, and until now most of its energy storage efforts were focused on commercial projects in competitive markets where it was possible to earn revenues. Those included its 36 MW Notrees battery storage project developed in partnership with the Department of Energy in 2012 that provides frequency regulation for the Electric Reliability Council of Texas market and two 2 MW storage projects at its retired W.C. Beckjord plant in New Richmond, Ohio, that sells ancillary services into the PJM Interconnection market.

On the regulated side, most of Duke’s storage projects have had “an R&D slant to them,” Wheeless said, but “we are moving beyond the R&D concept in our regulated territory and are looking at storage more as a regulated asset.”

“We have done the demos, and they have proved out,” Wheeless said. Storage may not be ready for prime time everywhere, he said, but in certain locations, especially where it can it can be used to do more than one thing, it can make sense.

Wheeless said Duke would be making “a number of energy storage announcements in the next few months in our regulated states.” He could not provide details on those projects.

More flexible resources
Location can be a determining factor when building a storage facility. For IPL, serving the wholesale market was a driving factor in the rationale to build its 20 MW, 20 MWh storage facility in Indianapolis.

IPL built the project to address a need for more flexible resources in light of “recent changes in our resource mix,” including decreasing coal-fired generation and increasing renewables and natural gas-fired generation, as other regions plan to rely on battery storage to meet rising demand, Joan Soller, IPL’s director of resource planning, told Utility Dive in an email. The storage facility is used to provide primary frequency response necessary for grid stability.

The Harding Street storage facility in May. It was the first energy storage project in the Midcontinent ISO. But the regulatory path in MISO is not as clear as it is in PJM, whereas initiatives such as Ontario storage framework are clarifying participation. In November, IPL with the Federal Energy Regulatory Commission, asking the regulator to find that MISO’s rules for energy storage are deficient and should be revised.

Soller said IPL has “no imminent plans to install energy storage in the future but will continue to monitor battery costs and capabilities as potential resources in future Integrated Resource Plans.”

California legislative and regulatory push

In California, energy storage did not have to wait for regulations to catch up with technology. With legislative and regulatory mandates, including CEC long-duration storage funding announced recently, as a push, California’s IOUs took high places in SEPA’s rankings.

Southern California Edison and San Diego Gas & Electric were first and fourth (63.2 MW and 17.2 MW), respectively, in terms of capacity. SoCal Ed and SDG&E were first and second (104 MWh and 28.4 MWh), respectively, and Pacific Gas and Electric was fifth (17 MWh) in terms of energy.

But a public power utility, the Imperial Irrigation District (IID), ended up high in the rankings – second in capacity (30 MW) and third  in energy (20 MWh) – even though as a public power entity it is not subject to the state’s energy storage mandates.

But while IID was not under state mandate, it had a compelling regulatory reason to build the storage project. It was part of a settlement reached with FERC over a September 2011 outage, IID spokeswoman Marion Champion said.

IID agreed to a $12 million fine as part of the settlement, of which $9 million was applied to physical improvements of IID’s system.

IID ended up building a 30 MW, 20 MWh lithium-ion battery storage system at its El Centro generating station. The system went into service in October 2016 and in May, IID used the system’s 44 MW combined-cycle natural gas turbine at the generating station.

Passing savings to customers
The cost of the storage system was about $31 million, and based on its experience with the El Centro project, Champion said IID plans to add to the existing batteries. “We are continuing to see real savings and are passing those savings on to our customers,” she said.

Champion said the battery system gives IID the ability to provide ancillary services without having to run its larger generation units, such as El Centro Unit 4, at its minimum output. With gas prices at $3.59 per million British thermal units, it costs about $26,880 a day to run Unit 4, she said.

IID’s territory is in southeastern California, an area with a lot of renewable resources. IID is also not part of the California ISO and acts as its own balancing authority. The battery system gives the utility greater operational flexibility, in addition to the ability to use more of the surrounding renewable resources, Champion said.

In May, IID’s board gave the utility’s staff approval to enter into contract negotiations for a 7 MW, 4 MWh expansion of its El Centro storage facility. The negotiations are ongoing, but approval could come in the next couple months, Champion said.

The heart of the issue, though, is “the ability of the battery system to lower costs for our ratepayers,” Champion said. “Our planning section will continue to utilize the battery, and we are looking forward to its expansion,” she said.” I expect it will play an even more important role as we continue to increase our percentage of renewables.”

 

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