Restoring power to Florida will take 'weeks, not days' in some areas

Summerside Wind Power reached 61% in May, blending renewable energy, municipal utility operations, and P.E.I. wind farms, driving city revenue, advancing green city goals, and laying groundwork for smart grid integration.

Key Points

Summerside Wind Power is the city utility's wind supply, 61% in May, generating revenue that supports local services.

✅ 61% of electricity in May from wind; annual target 45%.

✅ Mix of city-owned farm and West Cape Wind Farm contract.

✅ Revenues projected at $2.9M; funds municipal budget and services.

During the month of May, 61 per cent of the electricity Summerside's homes, businesses and industries used came from wind power sources.

25 per cent was purchased from the West Cape Wind Farm in West Point, P.E.I. — the city has had a contract with it since 2007. The other 36 per cent came from the city's own wind farm, which was built in 2009. 

"One of the strategic goals that was planned for by the city back in 2005 was to try to become a 100 per cent green city," said Greg Gaudet, Summerside's director of municipal services.

"The city started looking at ways it could adopt green practices into its operations on everything it owns and operates and provides services to the community."

Summerside Electric powers about 6,200 residential, 970 commercial and 30 industrial customers and also sells to NB Power, while Nova Scotia Power now generates 30 per cent of its electricity from renewables.

The Summerside Wind Farm is owned by the City of Summerside, which then sells the electricity to Summerside Electric, which it also owns, for profit. 

For the months of April and May, the wind farm generated $630,000 for the city. Last year, it was $507,000 over the same time frame, which does not include a 2 per cent rate increase imposed this year.

"We had a lot of good, strong days of wind for the month of May over other years. So normally we'd be on average somewhere in the range of the 45 per cent range for those months," said Gaudet. 

The city's annual target for wind generation is also 45 per cent, which aligns with the view that more energy sources make better projects. Gaudet said it balances out over the year, with winter being the best and production dropping as low as 25 per cent in the summer months.

At Summerside council's monthly meeting on Monday, May's 61 per cent figure was touted as one of the highest months on record.

"To have one at 61 per cent means we had great production from our wind facilities and contracts, though communities such as Portsmouth have raised turbine noise and flicker concerns in other contexts," Gaudet said.

The utility also owns and provides power through a diesel generation plant.

Municipal money maker
The municipality projects its wind energy production will generate $2.9 million for the city in its current fiscal year, which began April 1, paralleling job gains seen in Alberta's renewables surge this year.

"Any revenues that are received from the wind farm facility goes into the City of Summerside budget," Gaudet said. "Then the council decides on how that money is accrued and where it goes and what it supports in the community."

Wind power generated $2.89 million for the city in the 2019-2020 fiscal year. The budget originally projected $3.2 million in revenue, but blade damage sustained during post-tropical storm Dorian put two turbines out of commission for a few weeks.

Gaudet called this their "only bad year" and officials said they see this year's target to be a bit more conservative and achievable regardless of hiccups and uncontrollable forces, such as the wind they're harnessing.

"It's performed outstandingly well," said Gaudet of the operation.

"There's been no huge, major cost factors with the wind farm to date ... its production has been fairly consistent from year to year." 

Gaudet said the technology has already been piloted at a smaller operation at Credit Union Place, aligning with municipal solar power projects elsewhere.

The goal of the project is to bring Summerside's renewable portfolio up to a yearly average of 62 per cent. Gaudet said it's expected to be commissioned by May 2022 at the latest and after that, the city hopes to focus on smart grid technology.

"It's a long-term goal and I think it's the right [investment] to make," he said. "You have to be environmentally conscious and a steward of your community.

"I think Summerside is that and does that ... a model for North America to look at how a city can work a relationship with an electric utility for the betterment."

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Adams Nielson Solar Array, a 28 MW DC utility-scale project in Lind, WA, spans 200 acres with 81,700 panels, powering about 4,000 homes, supporting Avista’s Solar Select program and renewable energy, sustainability, and carbon reduction.

Key Points

Adams Nielson Solar Array is a 28 MW DC facility in Lind, WA, powering ~4,000 homes via Avista’s Solar Select.

✅ 81,700 panels across 200 acres in Eastern Washington

✅ Offsets emissions equal to removing 7,300 cars annually

✅ Collaboration by Avista, Strata Solar, WUTC, WSU Energy

Official commissioning of the Adams Nielson solar array located in Lind, WA occurred today. The 28 Megawatt DC array is comprised of 81,700 panels that span 200 acres and generates enough electricity to supply the equivalent of approximately 4,000 homes annually, similar to a new co-op solar project serving South Metro members.

“Avista’s interest in the development of Solar Select, a voluntary commercial solar program reflecting broader corporate adoption such as a corporate solar power plant commissioned by Arvato, is consistent with the Company’s ongoing commitment to provide customers with renewable energy choices at reasonable cost,” said Dennis Vermillion, president, Avista Corporation. “In recent years, an increasing number of Avista customers have expressed their expectations and challenges in acquiring renewable energy. Avista is pleased to lead this effort and develop renewable energy products that meet our customers’ needs today and into the future.” This interest is being generated by a mix of local and national customers across a variety of industries, including Huckleberry’s, Gonzaga University, Community Colleges of Spokane, Hotstart, Central Pre-Mix Concrete, a CRH Co., independently owned McDonald's franchise locations, Spokane City, Main Market and Community Building and VA Medical Center.

Jim Simon, director of sustainability at Gonzaga University said, “The Solar Select program helps Gonzaga University move even closer to achieving its goal of climate neutrality by 2050 by continuing to prioritize renewables in our energy portfolio, as other communities add projects like a municipal solar project to boost local supply. We are grateful for Avista’s leadership in this project and look forward to other opportunities to reduce our greenhouse gas emissions.”

Spokane Mayor David Condon said, “The City of Spokane is pleased to partner with Avista through the Solar Select Program, as we continue to seek out opportunities that are both environmentally and financially responsible. The City already is a net producer of energy, generating more clean, green energy than our use of electricity, natural gas, and fuel, a milestone also seen with North Carolina's first wind farm now fully operational. We are excited to add even more clean energy to power City Hall.”

The Solar Select program created a cost-effective structure to bring solar energy to large business customers in Eastern Washington, allowing them to advance their desired sustainability goals and benefiting from industry service innovations led by companies like Omnidian expanding their global reach. The array is projected to deliver the environmental benefit equivalent of more than 7,300 cars removed from the road each year. This renewable energy program was made possible through a collaboration of Avista, Strata Solar, the Washington Utilities and Transportation Commission, and the WSU Energy Program. 

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ISEM Price Volatility reflects Ireland-Northern Ireland grid balancing pressures, driven by dispatchable power shortages, day-ahead market dynamics, renewable shortfalls, and interconnector constraints, affecting intraday trading, operational reserves, and cross-border electricity flows.

Key Points

ISEM price volatility is Irish power price swings from grid balancing stress and limited dispatchable capacity.

✅ One-off spike linked to plant outage and low renewables

✅ Day-ahead market settling; intraday trading integration pending

✅ Interconnectors and reserves vital to manage adequacy

Irish grid-balancing prices soared to €3,774 ($4,284) per megawatt-hour last month amid growing concerns over dispatchable power capacity across Europe.

The price spike, triggered by an alert regarding generation losses, came only four months after Ireland and Northern Ireland launched an Integrated Single Electricity Market (ISEM) designed to make trading more competitive and improve power distribution across the island.

Evie Doherty, senior consultant for Ireland at Cornwall Insight, a U.K.-based energy consultancy, said significant price volatility was to be expected while ISEM is still settling down, aligning with broader 2019 grid edge trends seen across markets.

When the U.K. introduced a single market for Great Britain, called British Electricity Trading and Transmission Arrangements, in 2005, it took at least six months for volatility to subside, Doherty said.

In the case of ISEM, “it will take more time to ascertain the exact drivers behind the high prices,” she said. “We are being told that the day-ahead market is functioning as expected, but it will take time to really be able to draw conclusions on efficiency.”

Ireland and Northern Ireland have been operating with a single market “very successfully” since 2007, said Doherty. Although each jurisdiction has its own regulatory authority, they make joint decisions regarding the single market.

ISEM, launched in October 2018, was designed to help include Ireland and Northern Ireland day-ahead electricity prices in a market pricing system called the European Union Pan-European Hybrid Electricity Market Integration Algorithm.

In time, ISEM should also allow the Irish grids to participate in European intraday markets, and recent examples like Ukraine's grid connection underline the pace of integration efforts across Europe. At present, they are only able to do so with Great Britain. “The idea was to...integrate energy use and create more efficient flows between jurisdictions,” Doherty said.

EirGrid, the Irish transmission system operator, has reported that flows on its interconnector with Northern Ireland are more efficient than before, she said.

The price spike happened when the System Operator for Northern Ireland issued an alert for an unplanned plant outage at a time of low renewable output and constraints on the north-south tie-line with Ireland, according to a Cornwall Insight analysis.

Not an isolated event

Although it appears to have been a one-off event, there are increasing worries that a shortage of dispatchable power could lead to similar situations elsewhere across Europe, as seen in Nordic grid constraints recently.

Last month, newspaper Frankfurter Allgemeine Zeitung (FAZ) reported that German industrial concerns had been forced to curtail more than a gigawatt of power consumption to maintain operational reserves on the grid in December, after renewable production fell short of expectations and harsh weather impacts strained systems elsewhere.

Paul-Frederik Bach, a Danish energy consultant, has collected data showing that this was not an isolated incident. The FAZ report said German aluminum smelters had been forced to cut back on energy use 78 times in 2018, he noted.

Energy availability was also a concern last year in Belgium, where six out of seven nuclear reactors had been closed for maintenance. The closures forced Belgium to import 23 percent of its electricity from neighboring countries, Bach reported.

In a separate note, Bach revealed that 11 European countries that were net importers of energy had boosted their imports by 26 percent between 2017 and 2018. It is important to note that electricity imports do not necessarily imply a shortage of power, he stated.

However, it is also true that many European grid operators are girding themselves for a future in which dispatchable power is scarcer than today.

EirGrid, for example, expects dispatchable generation and interconnection capacity to drop from 10.6 gigawatts in 2018 to 9 gigawatts in 2027.

The Swedish transmission system operator Svenska Kraftnät, meanwhile, is forecasting winter peak power deficits could rise from 400 megawatts currently to 2.5 gigawatts in 2020-21.

Research conducted by the European Network of Transmission System Operators for Electricity, suggests power adequacy will fall across most of Europe up to 2025, although perhaps not to a critical degree.

The continent’s ability to deal with the problem will be helped by having more efficient trading systems, Bach told GTM. That means developments such as ISEM could be a step in the right direction, despite initial price volatility.

In the long run, however, Europe will need to make sure market improvements are accompanied by investments in HVDC technology and interconnectors and reserve capacity. “Somewhere there must be a production of electricity, even when there is no wind,” said Bach. 

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Tucson Electric Power Coal Phaseout advances an Integrated Resource Plan to exit Springerville coal by 2032, lift renewables past 70 percent by 2035, add wind, solar, battery storage, and cut carbon emissions 80 percent.

Key Points

A 2032 coal exit and 2035 plan to lift renewables above 70 percent, add wind, solar, storage, and cut CO2 80 percent.

✅ Coal purchases end at Springerville units by 2032

✅ Renewables exceed 70 percent of load by 2035

✅ 80 percent CO2 cut from 2005 baseline via wind, solar, storage

In a dramatic policy shift, Tucson Electric Power says it will stop using coal to generate electricity by 2032 and will increase renewable energy's share of its energy load to more than 70% by 2035.

As part of that change, the utility will stop buying electricity from its two units at its coal-fired Springerville Generating Station by 2032. The plant, TEP's biggest power source, provides about 35% of its energy.

The utility already had planned to start up two New Mexico wind farms and a solar storage plant in the Tucson area by next year. The new plan calls for adding an additional 2,000 megawatts of renewable energy capacity by 2035.

The utility's switch from fossil fuels is spelled out in the plan, submitted to the Arizona Corporation Commission, amid shifts in federal power plant rules that could affect implementation. Called an Integrated Resource Plan, it would reduce TEP's carbon dioxide emissions 80% by 2035 compared with 2005 levels.

The plan drew generally positive reviews from a number of environmentalists and other representatives of an advisory committee that had worked with TEP for a year.

Two commissioners, Chairman Bob Burns and Tucsonan Lea Marquez Peterson, also generally praised the plan, although they held off on final judgment.

University of Arizona researchers said the plan would likely meet the utility's share of the worldwide goal of holding down global temperatures to less than 2 degrees Celsius, or about 3.6 degrees Fahrenheit, above pre-industrial levels, even as studies find that climate change threatens grid reliability in many regions.

But a representative of AARP and the Pima Council on Aging expressed concern because the plan would require 1% annual electric rate increases a year to put into effect.

Officials in the eastern Arizona town of Springerville aren't happy.

And Sierra Club official Sandy Bahr said the plan doesn't move fast enough to get TEP off coal. She listed 14 separate units of various Western coal-fired plants that are scheduled to shut down sooner than 2032, many in the 2020s.

But TEP says the plan best balances costs and environmental benefits compared with 24 others it reviewed.

"We know our customers want safe, reliable energy from resources that are both affordable and environmentally responsible. TEP's 2020 Integrated Resource Plan will help us maintain that delicate balance," TEP CEO David Hutchens wrote in the forward to the plan.

The plan isn't legally binding but is aimed at sending a signal to regulators and the public about TEP's future direction. TEP and other regulated Arizona utilities update such plans every three years.

TEP has been one of the West's more fossil-fuel-friendly utilities. It stuck with coal even as many other utilities were moving away from it, including Alliant Energy's carbon-neutral plan to cut emissions and costs, and as the Sierra Club called on utilities to move beyond what it termed a highly polluting energy source that emits large quantities of heat-trapping greenhouse gases linked by scientists to global warming.

Last year, TEP got 13% of its electricity from renewables such as wind farms and solar plants along with photovoltaic solar panels atop individual homes. Fossil fuels coal and natural gas supplied the rest, a University of Arizona study paid for by TEP found.

Economics, not just emissions, a big factor

TEP's previous resource plan, from 2017, called for boosting renewable use to 30% by 2030 and to cut coal to 38% of its electric load by then from 69% in 2017, reflecting broader 2017 utility trends across the industry.

A TEP official said last week the utility is heading in a different direction not only due to concerns about greenhouse gas emissions but because of changing economics.

"For the last several decades, coal was the most economical resource. It was the lowest-cost resource to supply energy for our customers, and it wasn't really close," said Jeff Yockey, TEP's resource planning director.

But over the past few years, first natural gas prices and more recently solar and wind energy prices have fallen dramatically, he said.

Their prices are projected to keep falling, along with the cost of battery-fueled storage of solar energy for use when the sun is down, he said.

"Coal just isn't the most economical resource" now, Yockey said.

Yet the utility still needs, for now, the extra energy capacity that coal provides, he said, even as other states outline ways to improve grid reliability through targeted investments.

"Being a utility with no nuclear or hydro(electric) energy, with coal, there is reliability, a fuel on the ground, 30 or 90 days supply," he said. "It's the only source not subject to disruption in the next hour. It's our only long-term, stable fuel supply. Over time, we will be able to overcome that."

UA researchers, community panel worked on plan

TEP paid the UA $100,000 to have three researchers prepare two reports, one comparing 24 different proposals and a second comparing TEP's fossil fuel/renewable split with those of other utilities.

Also, the utility appointed an advisory council representing environmental, business and government interests that met regularly to guide TEP in producing the plan. The utility chose a preferred energy "portfolio," Yockey said.

The goal "was very much about basically achieving significant emissions reductions as quickly as we can and as cost effectively as we can," he said. TEP wanted the biggest cumulative emission cut possible over 15 years.

"If it was just about cost, we wouldn't have selected the portfolio that we selected. It wasn't the lowest cost portfolio."

UA assistant research professors Ben McMahan and Will Holmgren said combined carbon dioxide emission reductions from TEP's new plan over 15 years would be expected to hit the Paris accord's 2-degree target.

"There is considerable uncertainty about what will happen between now and 2050, but the preferred portfolio's early start on reductions and lowest cumulative emissions is certainly a positive sign that well below 2C is achievable," the researchers said in an email.

Environmentalists pleased, but some want coal cut sooner

The Sierra Club, Western Resource Advocates, the Southwest Energy Efficiency Project and Pima County offered varying degrees of praise for the new TEP plan.

In a memo Friday, County Administrator Chuck Huckelberry congratulated TEP for "the comprehensive, inclusive and transparent process" used to develop the plan.

Because of UA's involvement, TEP's advisory council and the public "can feel confident that the utility is on track to make significant progress in curbing greenhouse gas emissions to combat climate change," Huckelberry wrote.

The TEP plan "is the most aggressive commitment to reducing emissions by a utility in Arizona," said Autumn Johnson of Western Resource Advocates in a news release.

"Adding clean energy generation and storage while accelerating the retirement of coal units will ensure a healthier and better future for Arizonans," said Johnson, an energy policy analyst in Phoenix.

The Sierra Club will have a technical expert review the plan and already wants more energy savings, said Bahr, director of the group's Grand Canyon chapter. But overall, this plan is a step in the right direction for TEP, she said.

By comparison, Arizona Public Service's new resource plan only calls for 45% renewable energy by 2030, Bahr noted, while California regulators consider more power plants to ensure reliability. APS committed to going coal-free by 2031.

A Sierra Club proposal that the UA reviewed called for TEP to quit coal by 2027.

But TEP analyzed that proposal and concluded it would require $300 million in investments and would reduce the utility's cumulative emissions by only 2.4 million tons, to 70.2 million tons by 2035, Yockey said.

The Sierra Club plan was the most expensive portfolio investigated, Yockey said.

"The difference is in the timing. We still have a fair amount of value in our coal plants which we need to depreciate, which we do over time," Yockey said. "Trying to replace the capacity that coal provides in the near term with storage and solar is very expensive, although those costs are declining."

Seniors on fixed incomes could be hurt, advocate says

Rene Pina, an advisory council member representing two senior citizen organizations, praised the plan's goals but was concerned about impacts of even 1% annual rate increases on elderly people on fixed incomes.

They can't always handle such an increase, he said.

One possible fix is that TEP could ease eligibility requirements for its low-income energy assistance program, aligning with equity-focused electricity regulation principles, to allow more seniors to benefit, said Pina, representing AARP and the Pima Council on Aging.

"The program is structured so it just barely disqualifies most of our seniors. Their social security pension is just barely over the low-income limit. It can easily be adjusted without any problems to the utility," Pina said.

Advisory council member Rob Lamb, an engineer with GHLN, an architecture-engineering firm, said he was very pleased with TEP's plan.

"One of the things a lot of people don't realize when they put together a plan like that, is they have to balance environment with 'Hey, what's the reliability of service? Are we going to be able to keep our rates for something that will work?'" Lamb said.

"This a very balanced and resilient portfolio."

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Alberta coal phaseout accelerates as utilities convert to natural gas, cutting emissions under TIER regulations and deploying hydrogen-ready, carbon capture capable plants, alongside new solar projects in a competitive, deregulated electricity market.

Key Points

A provincewide shift from coal to natural gas and renewables, cutting power emissions years ahead of the 2030 target.

✅ Capital Power, TransAlta converting coal units to gas

✅ TIER pricing drives efficiency, carbon capture readiness

✅ Hydrogen-ready turbines, solar projects boost renewables

Alberta is set to meet its goal to eliminate coal-fired electricity production years earlier than its 2030 target, amid a broader shift to cleaner energy in the province, thanks to recently announced utility conversion projects.

Capital Power Corp.’s plan to spend nearly $1 billion to switch two coal-fired power units west of Edmonton to natural gas, and stop using coal entirely by 2023, was welcomed by both the province and the Pembina Institute environmental think-tank.

In 2014, 55 per cent of Alberta’s electricity was produced from 18 coal-fired generators. The Alberta government announced in 2015 it would eliminate emissions from coal-fired electricity generation by 2030.

Dale Nally, associate minister of Natural Gas and Electricity, said Friday that decisions by Capital Power and other utilities to abandon coal will be good for the environment and demonstrates investor confidence in Alberta’s deregulated electricity market, where the power price cap has come under scrutiny.

He credited the government’s Technology Innovation and Emissions Reduction (TIER) regulations, which put a price on industrial greenhouse gas emissions, as a key factor in motivating the conversions.

“Capital Power’s transition to gas is a great example of how private industry is responding effectively to TIER, as it transitions these facilities to become carbon capture and hydrogen ready, which will drive future emissions reductions,” Nally said in an email.

Capital Power said direct carbon dioxide emissions at its Genesee power facility near Edmonton will be about 3.4 million tonnes per year lower than 2019 emission levels when the project is complete.

It says the natural gas combined cycle units it’s installing will be the most efficient in Canada, adding they will be capable of running on 30 per cent hydrogen initially, with the option to run on 95 per cent hydrogen in future with minor investments.

In November, Calgary-based TransAlta Corp. said it will end operations at its Highvale thermal coal mine west of Edmonton by the end of 2021 as it switches to natural gas at all of its operated coal-fired plants in Canada four years earlier than previously planned.

The Highvale surface coal mine is the largest in Canada, and has been in operation on the south shore of Wabamun Lake in Parkland County since 1970.

The moves by the two utilities and rival Atco Ltd., which announced three years ago it would convert to gas at all of its plants by this year, mean significant emissions reduction and better health for Albertans, said Binnu Jeyakumar, director of clean energy for Pembina.

“Alberta’s early coal phaseout is also a great lesson in good policy-making done in collaboration with industry and civil society,” she said.

“As we continue with this transformation of our electricity sector, it is paramount that efforts to support impacted workers and communities are undertaken.”

She added the growing cost-competitiveness of renewable energy, such as wind power, makes coal plant retirements possible, applauding Capital Power’s plans to increase its investments in solar power.

In Ontario, clean power policy remains a focus as the province evaluates its energy mix.

The company announced it would go ahead with its 75-megawatt Enchant Solar power project in southern Alberta, investing between $90 million and $100 million, and that it has signed a 25-year power purchase agreement with a Canadian company for its 40.5-MW Strathmore Solar project now under construction east of Calgary.
 

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Urban Piezoelectric Energy Textiles capture wind-driven motion on tunnels, bridges, and facades, enabling renewable microgeneration for smart cities with decentralized power, resilient infrastructure, and flexible lamellae sheets that harvest airflow vibrations.

Key Points

Flexible piezoelectric sheets that convert urban wind and vibration into electricity on tunnels, bridges, and facades.

✅ Installed on London Crossrail to test airflow energy capture

✅ Flexible lamellae panels retrofit tunnels, bridges, facades

✅ Supports decentralized, resilient urban microgrids

Charlotte Slingsby and her startup Moya Power are researching piezo-electric textiles that gain energy from movement, similar to advances like a carbon nanotube energy harvester being explored by materials researchers. It seems logical that Slingsby originally came from a city with a reputation for being windy: “In Cape Town, wind is an energy source that you cannot ignore,” says the 27-year-old, who now lives in London.

Thanks to her home city, she also knows about power failures. That’s why she came up with the idea of not only harnessing wind as an alternative energy source by setting up wind farms in the countryside or at sea, but also for capturing it in cities using existing infrastructure.

The problem

The United Nations estimates that by 2050, two thirds of the world’s population will live in cities. As a result, the demand for energy in urban areas will increase dramatically, spurring interest in nighttime renewable technology that can operate when solar and wind are variable. Can the old infrastructure grow fast enough to meet demand? How might we decentralise power generation, moving it closer to the residents who need it?

For a pilot project, she has already installed grids of lamellae-covered plastic sheets in tunnels on London Crossrail routes; the draft in the tube causes the protrusions to flutter, which then generates electricity.

“If we all live in cities that need electricity, we need to look for new, creative ways to generate it, including nighttime solar cells that harvest radiative cooling,” says Slingsby, who studied design and engineering at Imperial College and the Royal College of Art. “I wanted to create something that works in different situations and that can be flexibly adapted, whether you live in an urban hut or a high-rise.”

The yield is low compared to traditional wind power plants and is not able to power whole cities, but Slingsby sees Moya Power as just a single element in a mixture of urban energy sources, alongside approaches like gravity power that aid grid decarbonization.

In the future, Slingsby’s invention could hang on skyscrapers, in tunnels or on bridges – capturing power in the windiest parts of the city, alongside emerging air-powered generators that draw energy from humidity. The grey concrete of tunnels and urban railway cuttings could become our cities’ most visually appealing surfaces...

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