AMI and GIS generate big savings for Unitil

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Advanced metering infrastructure (AMI) technology, combined with geographic information system (GIS) software, has significantly cut operating costs for meter reading at UnitilÂ’s distribution operating subsidiaries in Massachusetts and New Hampshire.

ESRIÂ’s ArcGIS has given the utility greater insight about the behavior of its customers, the integrity of its system, and the direction it should take for improved performance.

UnitilÂ’s AMI incorporates ArcGIS to process data captured from a bidirectional advanced metering system as well as data accessed from the customer information system (CIS). Based on the first yearÂ’s success, Unitil anticipates a payback within five years in labor savings and process efficiencies.

In 2004, Unitil migrated from a CAD-based mapping system to ArcGIS with Telvent Miner & MinerÂ’s ArcFM software for asset management. Recently, the integration of GIS with AMI has extended the value of GIS for the company.

“Suddenly, GIS became more to our people than making pretty maps,” explains Beth Picardi, Unitil’s GIS analyst. “The primary objective of the AMI project was to automate meter reading. In addition to those savings, we have gained a wealth of data on system performance that can be leveraged by integrating AMI with ArcGIS and other company enterprise systems.”

In 2007, Unitil deployed a system wide gas and electric AMI for 115,000 customers. Meters were retrofitted with endpoints from Hunt Technologies, LLC, which utilize power line carrier, fixed network technology to monitor and receive daily usage data. AMI data layers are created by combining data from UnitilÂ’s CIS database with GPS meter coordinates. This information is the basis for a variety of analyses useful to engineering and operations within the company.

“Viewing this data in GIS has led to an intuitive understanding of system performance,” notes Picardi. “Meters reporting a loss of communication have allowed us to research and better understand the need for an outage management system and how AMI can augment it. In addition to outages, GIS allows us to visualize momentary outages, end-of-line voltage readings, and reliability performance metrics directly from AMI.”

Unitil continues to find new ways to leverage its AMI data in GIS, giving the company a better understanding of its customer needs and improving its ability to proactively meet those needs. One example is the enhancement of vegetation management strategies by overlaying historical tree trimming data layers with momentary outage data. Soon, it will be possible to evaluate the local system benefits of considering various demand-side revenue policies such as time-of-use billing or demand response.

“GIS and AMI integration is making GIS an enterprise solution here at Unitil,” concludes Picardi.

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Data Show Clean Power Increasing, Fossil Fuel Decreasing in California

California clean electricity accelerates with renewables as solar and wind surge, battery storage strengthens grid resilience, natural gas declines, and coal fades, advancing SB 100 targets, carbon neutrality goals, and affordable, reliable power statewide.

 

Key Points

California clean electricity is the state's transition to renewable, zero-carbon power, scaling solar, wind and storage.

✅ Solar generation up nearly 20x since 2012

✅ Natural gas power down 20%; coal nearly phased out

✅ Battery storage shifts daytime surplus to evening demand

 

Data from the California Energy Commission (CEC) highlight California’s continued progress toward building a more resilient grid, achieving 100 percent clean electricity and meeting the state’s carbon neutrality goals.

Analysis of the state’s Total System Electric Generation report shows how California’s power mix has changed over the last decade. Since 2012:

Solar generation increased nearly twentyfold from 2,609 gigawatt-hours (GWh) to 48,950 GWh.

  • Wind generation grew by 63 percent.
  • Natural gas generation decreased 20 percent.
  • Coal has been nearly phased-out of the power mix, and renewable electricity surpassed coal nationally in 2022 as well.

In addition to total utility generation, rooftop solar increased by 10 times generating 24,309 GWh of clean power in 2022. The state’s expanding fleet of battery storage resources also help support the grid by charging during the day using excess renewable power for use in the evening.

“This latest report card showing how solar energy boomed as natural gas powered electricity experienced a steady 20 percent decline over the last decade is encouraging,” said CEC Vice Chair Siva Gunda. “Even as climate impacts become increasingly severe, California remains committed to transitioning away from polluting fossil fuels and delivering on the promise to build a future power grid that is clean, reliable and affordable.”

Senate Bill 100 (2018) requires 100 percent of California’s electric retail sales be supplied by renewable and zero-carbon energy sources by 2045. To keep the state on track, last year Governor Gavin Newsom signed SB 1020, establishing interim targets of 90 percent clean electricity by 2035 and 95 percent by 2040.

The state monitors progress through the Renewables Portfolio Standard (RPS), which tracks the power mix of retail sales, and regional peers such as Nevada's RPS progress offer useful comparison. The latest data show that in 2021 more than 37 percent of the state’s electricity came from RPS-eligible sources such as solar and wind, an increase of 2.7 percent compared to 2020. When combined with other sources of zero-carbon energy such as large hydroelectric generation and nuclear, nearly 59 percent of the state’s retail electricity sales came from nonfossil fuel sources.

The total system electric generation report is based on electric generation from all in-state power plants rated 1 megawatt (MW) or larger and imported utility-scale power generation. It reflects the percentage of a specific resource compared to all power generation, not just retail sales. The total system electric generation report accounts for energy used for water conveyance and pumping, transmission and distribution losses and other uses not captured under RPS.

 

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Restrict price charged for gas and electricity - British MPs

UK Energy Price Cap aims to protect consumers on gas and electricity bills, tackling Big Six overcharging on default and standard variable tariffs, with Ofgem and MPs pushing urgent reforms to the broken market.

 

Key Points

A temporary absolute limit on default energy tariffs to shield consumers from overcharging on gas and electricity bills.

✅ Caps standard variable and default tariffs to protect loyalty.

✅ Targets Big Six pricing; oversight by Ofgem and BEIS MPs.

✅ Aims for winter protection while maintaining competition.

 

MPs are calling for a cap on the price of gas and electricity, with questions over the expected cost of a UK price cap amid fears consumers are being ripped off.

The Business, Energy and Industrial Strategy (BEIS) Select Committee says the Big Six energy companies have been overcharging for years.

MPs on the committee backed plans for a temporary absolute cap, noting debates over EU gas price cap strategies to fix what they called a "broken" energy market.

Labour's Rachel Reeves, who chairs the committee, said: "The energy market is broken. Energy is an essential good and yet millions of customers are ripped off for staying loyal to their energy provider.

"An energy price cap is now necessary and the Government must act urgently to ensure it is in place to protect customers next winter.

"The Big Six energy companies might whine and wail about the introduction of a price cap but they've been overcharging their customers on default and SVTs (standard variable tariffs) for years and their recent feeble efforts to move consumers off these tariffs has only served to highlight the need for this intervention."

The Committee also criticised Ofgem for failing to protect customers, especially the most vulnerable.

Draft legislation for an absolute cap on energy tariffs was published by the Government last year, and later developments like the Energy Security Bill have kept reform on the agenda.

But Business Secretary Greg Clark refused to guarantee that the flagship plans would be in place by next winter, despite warnings about high winter energy costs for households.

Committee members said there was a "clear lack of will" on the part of the Big Six to do what was necessary, including exploring decoupling gas and electricity prices, to deal with pricing problems.

A report from the committee found that customers are paying £1.4bn a year more than they should be under the current system.

Around 12 million households are stuck on poor-value tariffs, according to the report.

National assistance charity Citizens Advice said "loyal and vulnerable" customers had been "ripped off" for too long.

Chief executive Gillian Guy said: "An absolute cap, as recommended by the committee, is crucial to securing protection for the largest number of customers while continuing to provide competition in the market. This should apply to all default tariffs."

 

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China to build 2,000-MW Lawa hydropower station on Jinsha River

Lawa Hydropower Station approved on the Jinsha River, a Yangtze tributary, delivers 2,000 MW via four units; 784 ft dam, 12 sq mi reservoir, Sichuan-Tibet site, US$4.59b investment, Huadian stake, renewable energy generation.

 

Key Points

A 2,000 MW dam project on the Jinsha River with four units, a 784 ft barrier, and 8.36 billion kWh annual output.

✅ Sichuan-Tibet junction on the Jinsha River

✅ 2,000 MW capacity; four turbine-generator units

✅ 8.36 bn kWh/yr; US$4.59b total; Huadian 48% stake

 

China has approved construction of the 2,000-MW Lawa hydropower station, a Yangtze tributary hydropower project on the Jinsha River, multiple news agencies are reporting.

Lawa, at the junction of Sichuan province and the Tibet autonomous region, will feature a 784-foot-high dam and the reservoir will submerge about 12 square miles of land. The Jinsha River is a tributary of the Yangtze River, and the project aligns with green hydrogen development in China.

The National Development and Reform Commission of the People’s Republic of China, which also guides China's nuclear energy development as part of national planning, is reported to have said that four turbine-generator units will be installed, and the project is expected to produce about 8.36 billion kWh of electricity annually.

Total investment in the project is to be US$4.59 billion, and Huadian Group Co. Ltd. will have a 48% stake in the project, reflecting overseas power infrastructure activity, with minority stakes held by provincial firms, according to China Daily.

In other recent news in China, Andritz received an order in December 2018 to supply four 350-MW reversible pump-turbines and motor-generators, alongside progress in compressed air generation technologies, for the 1,400-MW ZhenAn pumped storage plant in Shaanxi province.

 

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"Knowledge Gap" Is Contributing To On-the-job Electrical Injuries

BC Hydro Trades Electrical Safety addresses electric contact incidents among trade workers, emphasizing power line hazards, overhead lines clearance, the 3 m rule, jobsite planning, and safety training to prevent injuries during spring and summer.

 

Key Points

BC Hydro Trades Electrical Safety is guidance and training to reduce power-line contact risks for trade workers.

✅ Stay at least 3 m from overhead power lines and equipment

✅ Plan worksites and spot hazards before starting tasks

✅ Use BC Hydro electrical awareness training near electricity

 

A BC Hydro report finds serious electrical contact incidents are more common among trades workers, and research shows this is partly due to a knowledge gap in the electricity sector in Canada.

Trade workers were involved in more than 60 per cent of electric contact incidents that led to serious injuries over the last three years, according to BC Hydro.

One-in-five trade workers have also either made contact or had a close call with electric equipment.

A recent worksite electrocution case underscores the consequences of contact.

“New research finds many have had a close call with electricity on the job or have witnessed unsafe work near overhead lines or electrical equipment,” BC Hydro staff said in the report.

“A gap in electrical safety knowledge is a contributing factor in most of these incidents.”

Most electrical contact incidents take place in the spring and summer, when trade workers are working outdoors and are working in close proximity to power lines.

BC Hydro offered tips for trades workers who may work closely to possible electrical contact points:

  • Look up and down – Observe the site beforehand and plan work so you can avoid contact with power lines
  • Stay back – You and your tools should stay at least 3 m away from an overhead power line
  • Call for help – If you come across a fallen power line, or a tree branch or object contacts a line—stay back 10 metres and call 911. Never try and move it yourself. If you must work closer than 3 m to a power line at your worksite, call BC Hydro before you begin.
  • Learn about the risks – BC Hydro offers in-person and online electrical awareness training, such as arc flash training, for anyone who works near electricity.

The report found that 38 per cent of trades workers who participated in the report said they only feel “somewhat informed” about safety measures around working near electricity and 71 per cent were unable to identify the correct distance they should be away from active power lines or electrical equipment.

BC Hydro said trade workers should participate in its electrical awareness training courses, including arc flash training, to make sure all safety measures are taken.

 

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Atlantica - Regulatory Reform To Bring Greener Power To Atlantic Canada

Atlantic Canada Energy Regulatory Reform accelerates smart grids, renewables, hydrogen, and small modular reactors to meet climate targets, enabling interprovincial transmission, EV charging, and decarbonization toward a net-zero grid by 2035 with agile, collaborative policies.

 

Key Points

A policy shift enabling smart grids, clean energy, and transmission upgrades to decarbonize Atlantic Canada by 2035.

✅ Agile rules for smart grids, EV load, and peak demand balancing

✅ Interprovincial transmission: Maritime Link, NB-PEI, Atlantic Loop

✅ Supports hydrogen, SMRs, and renewables to cut GHG emissions

 

Atlantica Centre for Energy Senior Policy Consultant Neil Jacobsen says the future of Atlantic Canada’s electricity grid depends on agile regulations, supported by targeted research such as the $2M Atlantic grid study, that match the pace at which renewable technologies are being developed in the race to meet Canada’s climate goals.

In an interview, Jacobsen stressed the need for a more modernized energy regulatory framework, so the Atlantic Provinces can collaborate to quickly develop and adopt cleaner energy.

To this end, Atlantica released a paper that makes the case for responsive smart grid technology, the adaptation of alternative forms of clean energy, the adaptation of hydrogen as an energy source, petroleum price regulation in Atlantic Canada and small modular reactors.

Jacobsen said regulations need to match Canada’s urgency around reducing greenhouse gas emissions by 40 to 45 percent by 2030, achieving a net-neutral national power grid by 2035 and ultimately a net-zero grid by 2050 in Canada – and the goal that 50 percent of Canadian vehicle sales being electric by 2030.

“It’s an evolution of policy and regulations to adapt to a very aggressive timeline of aggressive climate change and decarbonization targets,” said Jacobsen.

“These are transformational energy and environmental commitments, so the path forward really requires the ability to introduce and adapt and move forward with new clean renewable energy technologies.”

Jacobsen said Atlantica’s recommendations are not a criticism of existing regulations– but an acknowledgment that they need to evolve.

He noted newer, clearer regulations will make way for new energy sources – particularly a region that has the countries highest rates of dependency on fossil fuels and growing climate risks, with Atlantic grids under threat from more intense storms.

“We have a long way to go, but at the same time, we have a lot to celebrate. Atlantic Canada is leading the country in reducing greenhouse gas emissions,” said Jacobsen.

“There are new ways of producing energy that requires us to be able to be much more responsive and this is an opportunity to create a higher level of alignment here, in Atlantic Canada.”

Jacobsen said Atlantica is looking to aid interprovincial cooperation in providing power, echoing calls for a western Canadian grid elsewhere, through projects like the 500-megawatt, 170-kilometre Maritime Link that transports power from the Muskrat Falls hydroelectric dam in Labrador, through Newfoundland and across the Cabot Strait, to Nova Scotia – or NB Power’s export of electricity to P.E.I., via sub-sea cables crossing the Northumberland Strait.

He noted streamlined regulations may allow for more potential wider-scale partnerships, like the proposed Atlantic Loop project, aligning with macrogrid investments that would involve upgrading transmission capacity on the East Coast to allow hydroelectric power from Labrador and Quebec to displace coal use in the region.

Atlantic Canada has led the way with adaption new renewable technologies, noted Jacobsen, referring to nuclear startups Moltex Energy and ARC Nuclear Canada’s efforts to develop small modular nuclear reactor technology in New Brunswick, as well as the potential of adopting hydrogen fuel technology and Nova Scotia’s strides in developing offshore renewable energy.

“I don’t think we have any choice other than to be forceful and aggressive in driving forward a renewable energy agenda.”

Jacobsen said cooperation between the Atlantic provinces is crucial because of how challenging it is to meet energy demand with heavy seasonal and daily variations in energy demand in the region – something smart grid technology could address.

Smart Grid Atlantic is a four-year research and demonstration program testing technologies that provide cleaner local power, support a smarter electricity infrastructure across the region, more renewable power, more information and control over power use and more reliable electricity.

“It can be challenging for utilities to meet those cyclical demands, especially as grids are increasingly exposed to harsh weather across Canada. Smart girds add knowledge of the flow of electrons in a way that can help even out those electricity demands – and quite frankly, those demands will only increase when you look at the electrification of the transportation sector,” he said.

Jacobsen said Atlantica’s paper and call for modernized regulations are only the beginning of a conversation.

 

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Clean-energy generation powers economy, environment

Atlin Hydro and Transmission Project delivers First Nation-led clean energy via hydropower to the Yukon grid, replacing diesel, cutting emissions, and creating jobs, with a 69-kV line from Atlin, B.C., supplying about 35 GWh annually.

 

Key Points

A First Nation-led 8.5 MW hydropower and 69-kV line supplying clean energy to the Yukon, reducing diesel use.

✅ 8.5 MW capacity; ~35 GWh annually to Yukon grid

✅ 69-kV, 92 km line links Atlin to Jakes Corner

✅ Creates 176 construction jobs; cuts diesel and emissions

 

A First Nation-led clean-power generation project for British Columbia’s Northwest will provide a significant economic boost and good jobs for people in the area, as well as ongoing revenue from clean energy sold to the Yukon.

“This clean-energy project has the potential to be a win-win: creating opportunities for people, revenue for the community and cleaner air for everyone across the Northwest,” said Premier John Horgan. “That’s why our government is proud to be working in partnership with the Taku River Tlingit First Nation and other levels of government to make this promising project a reality. Together, we can build a stronger, cleaner future by producing more clean hydropower to replace fossil fuels – just as they have done here in Atlin.”

The Province is contributing $20 million toward a hydroelectric generation and transmission project being developed by the Taku River Tlingit First Nation (TRTFN) to replace diesel electricity generation in the Yukon, which is also supported by the Government of Yukon and the Government of Canada, and comes as BC Hydro demand fell during COVID-19 across the province.

“Renewable-energy projects are helping remote communities reduce the use of diesel for electricity generation, which reduces air pollution, improves environmental outcomes and creates local jobs,” said Bruce Ralston, Minister of Energy, Mines and Low Carbon Innovation. “This project will advance reconciliation with TRTFN, foster economic development in Atlin and support intergovernmental efforts to reduce greenhouse gas emissions.”

TRTFN is based in Atlin with territory in B.C., the Yukon, and Alaska. TRTFN is an active participant in clean-energy development and, since 2009, has successfully replaced diesel-generated electricity in Atlin with a 2.1-megawatt (MW) hydro facility amid oversight issues such as BC Hydro misled regulator elsewhere in the province today.

TRTFN owns the Tlingit Homeland Energy Limited Partnership (THELP), which promotes economic development through clean energy. THELP plans to expand its hydro portfolio by constructing the Atlin Hydro and Transmission Project and selling electricity to the Yukon via a new transmission line, in a landscape shaped by T&D rates decisions in jurisdictions like Ontario for cost recovery.

The Government of Yukon is requiring its Yukon Energy Corporation (YEC) to generate 97% of its electricity from renewable resources by 2030. This project provides an opportunity for the Yukon government to reduce reliance on diesel generators and to meet future load growth, at a time when Manitoba Hydro's debt pressures highlight utility cost challenges.

The new transmission line between Atlin and the Yukon grid will include a fibre-optic data cable to support facility operations, with surplus capacity that can be used to bring high-speed internet connectivity to Atlin residents for the first time.

“Opportunities like this hydroelectricity project led by the Taku River Tlingit First Nation is a great example of identifying and then supporting First Nations-led clean-energy opportunities that will support resilient communities and provide clean economic opportunities in the region for years to come. We all have a responsibility to invest in projects that benefit our shared climate goals while advancing economic reconciliation.” said George Heyman, Minister of Environment and Climate Change Strategy.

“Thank you to the Government of British Columbia for investing in this important project, which will further strengthen the connection between the Yukon and Atlin. This ambitious initiative will expand renewable energy capacity in the North in partnership with the Taku River Tlingit First Nation while reducing the Yukon’s emissions and ensuring energy remains affordable for Yukoners.“ said Sandy Silver, Premier of Yukon.

“The Atlin Hydro Project represents an important step toward meeting the Yukon’s growing electricity needs and the renewable energy targets in the Our Clean Future strategy. Our government is proud to contribute to the development of this project and we thank the Government of British Columbia and all partners for their contributions and commitment to renewable energy initiatives. This project demonstrates what can be accomplished when communities, First Nations and federal, provincial and territorial governments come together to plan for a greener economy and future.” said John Streicker, Minister Responsible for the Yukon Development Corporation. 

“Atlin has enjoyed clean and renewable energy since 2009 because of our hydroelectric project. Over its lifespan, Atlin’s hydro opportunity will prevent more than one million tonnes of greenhouse gases from being created to power the southern Yukon. We are looking forward to the continuation of this project. Our collective dream is to meet our environmental and economic goals for the region and our local community within the next 10 years. We are so grateful to all our partners involved for their financial support, as we continue onward in creating an energy efficient and sustainable North.” said Charmaine Thom, Taku River Tlingit First Nation spokesperson.

Quick Facts:

  • The 8.5-MW project is expected to provide an average of 35 gigawatt hours of energy annually to the Yukon. To accomplish this, TRTFN plans to leverage the existing water storage capability of Surprise Lake, add new infrastructure, and send power 92 km north to Jakes Corner, Yukon, along a new 69-kilovolt transmission line.
  • The project is expected to cost $253 - 308.5 million, the higher number reflecting recently estimated impacts of inflation and supply chain cost escalation, alongside sector accounting concerns such as deferred BC Hydro costs noted in recent reports.
  • The project is expected to have a positive impact on local and provincial economic development in the form of, even as governance debates like Manitoba Hydro board changes draw attention elsewhere:
  • 176 full-time positions during construction;
  • six to eight full-time positions in operations and maintenance over 40 years; and
  • increased business for B.C. contractors.
  • Territorial and federal funders have committed $151.1 million to support the project, most recently the $32.2 million committed in the 2022 federal bdget.

 

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