How Synchrophasors are Bringing the Grid into the 21st Century

California Ports Electric Truck Leasing accelerates zero-emission logistics, cutting diesel pollution at Los Angeles and Long Beach. A $250 million nonprofit plan funds heavy-duty EVs and charging infrastructure to improve air quality and community health.

Key Points

A nonprofit's $250M plan to lease EV trucks at LA/Long Beach ports to cut diesel emissions and improve air quality.

✅ $250M lease program for heavy-duty EVs at LA/Long Beach ports

✅ Cuts diesel emissions; improves air quality in nearby communities

✅ Requires robust charging infrastructure and OEM partnerships

In a significant move towards sustainable transportation, a prominent U.S. nonprofit has announced plans to invest $250 million in leasing electric trucks for operations at California ports. This initiative aims to reduce air pollution and promote greener logistics, responding to the urgent need for environmentally friendly solutions in the transportation sector.

Addressing Environmental Concerns

California’s ports, particularly the Port of Los Angeles and the Port of Long Beach, are among the busiest in the United States. However, they also contribute significantly to air pollution due to the heavy reliance on diesel trucks for cargo transport. These ports are essential for the economy, facilitating trade and commerce, but the environmental toll is considerable. Diesel emissions are linked to respiratory issues and other health problems in nearby communities, which often bear the brunt of pollution.

The nonprofit's investment in electric trucks is a critical step towards mitigating these environmental challenges. By transitioning to electric vehicles (EVs), the project aims to significantly cut emissions from port operations, contributing to California's broader goals of reducing greenhouse gas emissions and improving air quality.

The Scale of the Initiative

This ambitious initiative involves leasing a fleet of electric trucks that will operate within the ports and surrounding areas. The $250 million investment is expected to facilitate the acquisition of hundreds of electric vehicles, which will replace conventional diesel trucks used for cargo transport. This fleet will help demonstrate the viability and effectiveness of electric trucks in heavy-duty applications, paving the way for broader adoption.

The plan includes partnerships with established electric truck manufacturers, such as the Volvo VNR Electric platform, and local logistics companies to ensure seamless integration of these vehicles into existing operations. By collaborating with industry leaders, the initiative seeks to establish a model that can be replicated in other major logistics hubs across the country.

Economic and Community Benefits

The introduction of electric trucks is expected to yield multiple benefits, not only in terms of environmental impact but also economically. As these trucks begin operations, and as other fleets adopt electric mail trucks, they will create jobs within the green technology sector, from manufacturing to maintenance and charging infrastructure development. The project is anticipated to stimulate local economies, providing new opportunities in communities that have historically been disadvantaged by pollution.

Moreover, the initiative is poised to enhance public health. By reducing diesel emissions, the nonprofit aims to improve air quality for residents living near the ports, and emerging research links EV adoption to fewer asthma-related ER visits in local communities. This could lead to decreased healthcare costs associated with pollution-related illnesses, benefiting both the community and the healthcare system.

Challenges Ahead

While the initiative is promising, challenges remain. The successful implementation of electric trucks at scale requires a robust charging infrastructure capable of supporting the significant power needs of a large fleet. Additionally, the transition from diesel to electric vehicles involves significant upfront costs, even with leasing arrangements. Ensuring that logistics companies can manage these costs effectively will be crucial for the project's success.

Furthermore, electric trucks currently face limitations in terms of range and payload capacity compared to their diesel counterparts. Continued advancements in battery technology and infrastructure development will be necessary to fully realize the potential of electric vehicles in heavy-duty applications.

The Bigger Picture

This investment in electric trucks aligns with broader national and global efforts to combat climate change. As governments and organizations commit to reducing carbon emissions, initiatives like this one represent crucial steps toward achieving sustainability goals, and ports worldwide are also piloting complementary technologies like hydrogen-powered cranes to decarbonize cargo handling.

California has set ambitious targets for reducing greenhouse gas emissions, including a mandate for all new trucks to be zero-emission by 2045. The nonprofit’s investment not only supports these goals, amid ongoing debates over funding priorities in the state, but also serves as a pilot program that could inform future policies and investments in clean transportation.

The $250 million investment in electric trucks for California ports marks a significant milestone in the push for sustainable transportation solutions. By addressing the urgent need for cleaner logistics, this initiative stands to benefit the environment, public health, and the economy. As the project unfolds, it will be closely watched as a potential model for similar efforts across the country and beyond, with developments such as the all-electric berth at London Gateway illustrating parallel advances, highlighting the critical intersection of innovation, sustainability, and community well-being in the modern logistics landscape.

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Noncarbon Electricity Investment Strategy helps utilities hedge policy uncertainty, carbon tax risks, and emissions limits by scaling wind, solar, and CCS, avoiding stranded assets while balancing costs, reliability, and climate policy over decades.

Key Points

A strategy for utilities to invest 20-30 percent of capacity in low carbon sources to hedge emissions and carbon risks.

✅ Hedges future carbon tax and emissions limits

✅ Targets 20-30 percent of new generation from clean sources

✅ Reduces stranded asset risk and builds renewables capacity

When utility executives make decisions about building new power plants, a lot rides on their choices. Depending on their size and type, new generating facilities cost hundreds of millions or even billions of dollars. They typically will run for 40 or more years — 10 U.S. presidential terms. Much can change during that time.

Today one of the biggest dilemmas that regulators and electricity industry planners face is predicting how strict future limits on greenhouse gas emissions will be. Future policies will affect the profitability of today’s investments. For example, if the United States adopts a carbon tax 10 years from now, it could make power plants that burn fossil fuels less profitable, or even insolvent.

These investment choices also affect consumers. In South Carolina, utilities were allowed to charge their customers higher rates to cover construction costs for two new nuclear reactors, which have now been abandoned because of construction delays and weak electricity demand. Looking forward, if utilities are reliant on coal plants instead of solar and wind, it will be much harder and more expensive for them to meet future emissions targets, even as New Zealand's electrification push accelerates abroad. They will pass the costs of complying with these targets on to customers in the form of higher electricity prices.

With so much uncertainty about future policy, how much should we be investing in noncarbon electricity generation in the next decade? In a recent study, we proposed optimal near-term electricity investment strategies to hedge against risks and manage inherent uncertainties about the future.

We found that for a broad range of assumptions, 20 to 30 percent of new generation in the coming decade should be from noncarbon sources such as wind and solar energy across markets. For most U.S. electricity providers, this strategy would mean increasing their investments in noncarbon power sources, regardless of the current administration’s position on climate change.

Many noncarbon electricity sources — including wind, solar, nuclear power and coal or natural gas with carbon capture and storage — are more expensive than conventional coal and natural gas plants. Even wind power, which is often mentioned as competitive, is actually more costly when accounting for costs such as backup generation and energy storage to ensure that power is available when wind output is low.

Over the past decade, federal tax incentives and state policies designed to promote clean electricity sources spurred many utilities to invest in noncarbon sources. Now the Trump administration is shifting federal policy back toward promoting fossil fuels. But it can still make economic sense for power companies to invest in more expensive noncarbon technologies if we consider the potential impact of future policies.

How much should companies invest to hedge against the possibility of future greenhouse gas limits? On one hand, if they invest too much in noncarbon generation and the federal government adopts only weak climate policies throughout the investment period, utilities will overspend on expensive energy sources.

On the other hand, if they invest too little in noncarbon generation and future administrations adopt stringent emissions targets, utilities will have to replace high-carbon energy sources with cleaner substitutes, which could be extremely costly.

Economic modeling with uncertainty

We conducted a quantitative analysis to determine how to balance these two concerns and find an optimal investment strategy given uncertainty about future emissions limits. This is a core choice that power companies have to make when they decide what kinds of plants to build.

First we developed a computational model that represents the sectors of the U.S. economy, including electric power. Then we embedded it within a computer program that evaluates decisions in the electric power sector under policy uncertainty.

The model explores different electric power investment decisions under a wide range of future emissions limits with different probabilities of being implemented. For each decision/policy combination, it computes and compares economy-wide costs over two investment periods extending from 2015 to 2030.

We looked at costs across the economy because emissions policies impose costs on consumers and producers as well as power companies. For example, they may lead to higher electricity, fuel or product prices. By seeking to minimize economy-wide costs, our model identifies the investment decision that produces the greatest overall benefits to society.

More investments in clean generation make economic sense

We found that for a broad range of assumptions, the optimal investment strategy for the coming decade is for 20 to 30 percent of new generation to be from noncarbon sources. Our model identified this as the best level because it best positions the United States to meet a wide range of possible future policies at a low cost to the economy.

From 2005-2015, we calculated that about 19 percent of the new generation that came online was from noncarbon sources. Our findings indicate that power companies should put a larger share of their money into noncarbon investments in the coming decade.

While increasing noncarbon investments from a 19 percent share to a 20 to 30 percent share of new generation may seem like a modest change, it actually requires a considerable increase in noncarbon investment dollars. This is especially true since power companies will need to replace dozens of aging coal-fired power plants that are expected to be retired.

In general, society will bear greater costs if power companies underinvest in noncarbon technologies than if they overinvest. If utilities build too much noncarbon generation but end up not needing it to meet emissions limits, they can and will still use it fully. Sunshine and wind are free, so generators can produce electricity from these sources with low operating costs.

In contrast, if the United States adopts strict emissions limits within a decade or two, they could prevent carbon-intensive generation built today from being used. Those plants would become “stranded assets” — investments that are obsolete far earlier than expected, and are a drain on the economy.

Investing early in noncarbon technologies has another benefit: It helps develop the capacity and infrastructure needed to quickly expand noncarbon generation. This would allow energy companies to comply with future emissions policies at lower costs.

Seeing beyond one president

The Trump administration is working to roll back Obama-era climate policies such as the Clean Power Plan, and to implement policies that favor fossil generation. But these initiatives should alter the optimal strategy that we have proposed for power companies only if corporate leaders expect Trump’s policies to persist over the 40 years or more that these new generating plants can be expected to run.

Energy executives would need to be extremely confident that, despite investor pressure from shareholders, the United States will adopt only weak climate policies, or none at all, into future decades in order to see cutting investments in noncarbon generation as an optimal near-term strategy. Instead, they may well expect that the United States will eventually rejoin worldwide efforts to slow the pace of climate change and adopt strict emissions limits.

In that case, they should allocate their investments so that at least 20 to 30 percent of new generation over the next decade comes from noncarbon sources. Sustaining and increasing noncarbon investments in the coming decade is not just good for the environment — it’s also a smart business strategy that is good for the economy.

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Canada Clean Electricity Exports leverage hydroelectric power, energy storage, and transmission interconnections to meet rising IEA-forecast demand, support electrification, decarbonize grids, and attract green finance with stable policy and advanced technology.

Key Points

Canada's cross-border power sales from hydro and renewables, enabled by storage, transmission, and supportive policy.

✅ Hydro leads generation; expand transmission interties to the US

✅ Deploy storage to balance wind and solar variability

✅ Streamline regulation and green finance to scale exports

As global electricity demand continues to surge, Canada finds itself uniquely positioned to capitalize on this expanding market by choosing an electric, connected and clean pathway that scales with demand. With its vast natural resources, advanced technology, and stable political environment, Canada can play a crucial role in meeting the world’s energy needs while also advancing its own economic interests.

The International Energy Agency (IEA) has projected that global electricity demand will grow significantly over the next decade, driven by factors such as population growth, urbanization, and the increasing electrification of various sectors, including transportation and industry. This presents a golden opportunity for Canada to bolster its energy security as it boasts an abundance of renewable energy sources, particularly hydroelectric power. Currently, hydroelectricity accounts for about 60% of Canada’s total electricity generation, making it one of the largest producers of this clean energy source in the world.

The growing emphasis on renewable energy aligns perfectly with Canada’s strengths, with the Prairie Provinces emerging as leaders in new wind and solar capacity across the country. As countries worldwide strive to reduce their carbon footprints and transition to greener energy solutions, Canada’s clean energy resources can be harnessed not only to meet domestic needs but also to export electricity to neighboring countries and beyond. The U.S., for instance, is already a significant market for Canadian electricity, with interconnections facilitating the flow of power across borders. Expanding these connections and investing in infrastructure could further increase Canada’s electricity exports.

Moreover, advancements in energy storage technology present another avenue for Canada to enhance its role in the global electricity market. With the rise of intermittent energy sources like wind and solar, the ability to store excess electricity generated during peak production times becomes essential. Canada’s expertise in technology and innovation positions it well to develop and deploy energy storage solutions that can stabilize the grid through grid modernization projects and ensure a reliable supply of electricity.

Additionally, Canada’s commitment to reducing greenhouse gas emissions and combating climate change aligns with the global shift towards sustainable energy. By investing in renewable energy projects and supporting research and development, Canada can not only meet its climate targets, including zero-emissions electricity by 2035, but also attract international investment. Green financing initiatives are becoming increasingly popular, and Canada can leverage its reputation as a leader in environmental stewardship to tap into this growing market.

However, to fully realize these opportunities, Canada must address some key challenges. Regulatory hurdles, infrastructure limitations, and the need for a coordinated national energy strategy are critical issues that must be navigated. Streamlining regulations and fostering collaboration between federal and provincial governments will be essential in creating a conducive environment for investment in renewable energy projects.

Furthermore, public acceptance and community engagement are vital components of developing new energy projects, especially where solar power adoption lags and outreach is needed. Ensuring that local communities benefit from these initiatives—whether through job creation, economic investment, or shared revenues—will help garner support and facilitate smoother project implementation.

In addition to domestic efforts, Canada should also position itself as a global leader in energy diplomacy. By collaborating with other nations to share best practices, technologies, and resources, Canada can strengthen its influence in international energy discussions. Engaging in multilateral initiatives aimed at addressing energy poverty and promoting sustainable development will not only enhance Canada’s standing on the world stage but also open doors for Canadian companies to expand their reach.

In conclusion, as the global demand for electricity rises, Canada stands at a crossroads, with a tremendous opportunity to lead in the clean energy sector. By leveraging its natural resources, investing in technology, and fostering international partnerships, Canada can not only meet its energy needs but also pursue zero-emission electricity by 2035 while positioning itself as a key player in the global electricity market. The path forward will require strategic planning, investment, and collaboration, but the potential rewards are significant—both for Canada and the planet.

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U.S. Electricity Demand Decoupling signals GDP growth without higher load, driven by energy efficiency, LED adoption, services-led output, and rising renewables integration with the grid, plus EV charging and battery storage supporting decarbonization.

Key Points

GDP grows as electricity use stays flat, driven by efficiency, renewables, and a shift toward services and output.

✅ LEDs and codes cut residential and commercial load intensity.

✅ Wind, solar, and gas gain share as coal and nuclear struggle.

✅ EVs and storage can grow load and enable grid decarbonization.

By Justin Fox

Economic growth picked up a little in the U.S. in 2017. But electricity use fell, with electricity sales projections continuing to decline, according to data released recently by the Energy Information Administration. It's now been basically flat for more than a decade:

Measured on a per-capita basis, electricity use is in clear decline, and is already back to the levels of the mid-1990s.

Sources: U.S. Energy Information Administration, U.S. Bureau of Economic Analysis

*Includes small-scale solar generation from 2014 onward

I constructed these charts to go all the way back to 1949 in part because I can (that's how far back the EIA data series goes) but also because it makes clear what a momentous change this is. Electricity use rose and rose and rose and then ... it didn't anymore.

Slower economic growth since 2007 has been part of the reason, but the 2017 numbers make clear that higher gross domestic product no longer necessarily requires more electricity, although the Iron Law of Climate is often cited to suggest rising energy use with economic growth. I wrote a column last year about this big shift, and there's not a whole lot new to say about what's causing it: mainly increased energy efficiency (driven to a remarkable extent by the rise of LED light bulbs), and the continuing migration of economic activity away from making tangible things and toward providing services and virtual products such as games and binge-watchable TV series (that are themselves consumed on ever-more-energy-efficient electronic devices).

What's worth going over, though, is what this means for those in the business of generating electricity. The Donald Trump administration has made saving coal-fired electric plants a big priority; the struggles of nuclear power plants have sparked concern from multiple quarters. Meanwhile, U.S. natural gas production has grown by more than 40 percent since 2007, thanks to hydraulic fracturing and other new drilling techniques, while wind and solar generation keep making big gains in cost and market share. And this is all happening within the context of a no-growth electricity market.

In China, a mystery in China's electricity data has complicated global comparisons.

Here are the five main sources of electric power in the U.S.:

The big story over the past decade has been coal and natural gas trading places as the top fuel for electricity generation. Over the past year and a half coal regained some of that lost ground as natural gas prices rose from the lows of early 2016. But with overall electricity use flat and production from wind and solar on the rise, that hasn't translated into big increases in coal generation overall.

Oh, and about solar. It's only a major factor in a few states (California especially), so it doesn't make the top five. But it's definitely on the rise.

What happens next? For power generators, the best bet for breaking out of the current no-growth pattern is to electrify more of the U.S. economy, especially transportation. A big part of the attraction of electric cars and trucks for policy-makers and others is their potential to be emissions-free. But they're only really emissions-free if the electricity used to charge them is generated in an emissions-free manner -- creating a pretty strong business case for continuing "decarbonization" of the electric industry. It's conceivable that electric car batteries could even assist in that decarbonization by storing the intermittent power generated by wind and solar and delivering it back onto the grid when needed.

I don't know exactly how all this will play out. Nobody does. But the business of generating electricity isn't going back to its pre-2008 normal. 

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BC Hydro Ice Storm Response to Fraser Valley power outages highlights freezing rain impacts, round the clock crews, infrastructure challenges, and climate change risks across the Lower Mainland during winter weather and restoration efforts.

Key Points

A plan for freezing rain events that prioritizes safety, rapid repairs, and clear communication to restore power.

✅ Prioritizes hazards, critical loads, and public safety first

✅ Deploys crews, contractors, and equipment across affected areas

✅ Addresses climate risks without costly undergrounding expansion

Call it the straw that broke the llama's back.

The loss of power during recent Fraser Valley ice storms meant Jennifer Quick, who lives on a Mission farm, had no running water, couldn't cook with appliances and still had to tend to a daughter sick with stomach flu.

As if that wasn't enough, she had to endure the sight of her shivering llamas.

"I brought them outside at one point and when I brought them back in, they had icicles on their fur," she said, adding the animals stayed in the warmth of their barn from then on.

For three and a half days, Quick and her family were among more than 160,000 BC Hydro customers in the Fraser Valley left in the dark after ice storms whipped through the region.

BC Hydro expects to get all customers back online Tuesday, five days after the storm hit.

And with another storm possibly on the horizon, the utility is defending its response to the treacherous weather, noting that windstorm power outages can be widespread.

BC Hydro spokesperson Mora Scott said the utility has a "best in class" storm response system, similar to PG&E winter storm prep in the U.S.

"In a typical storm situation we normally have 95 per cent of our customers back up within 24 hours. Ice storms are different and obviously this was an atypical storm for us," she said.

Scott said that in this case, the utility got power back on for 75 per cent of customers within 24 hours. It took the work of 450 employees called in from around B.C., working around the clock, a mobilization echoed by Sudbury Hydro crews after a storm, she said.

The work was complicated by trees falling near crews, icy roads, low visibility and even substations so frozen over the ice had to be melted off with blowtorches.

She said that in the long term, BC Hydro has no plans to make changes to how it responds to extreme ice storms or how infrastructure is built.

"Seeing ice build up in the Lower Mainland like this is a rare event," she said. "So to build for extremes like that probably doesn't make a lot of sense."

Climate change will bring storms

But CBC meteorologist Johanna Wagstaffe said that might not always be the case as climate change continues to impact our planet.

"The less severe winter events, like light snowfall, will happen less often," she said. "But the disruptive events — like last week's storm — will actually happen more often and we are already seeing this shift happen."

Marc Eliesen, a former CEO of BC Hydro in the early 1990s, said the utility needs to keep that in mind when planning for worst-case scenarios.

"This [storm] is a condition characteristic of the weather in the east, particularly in Ontario and Quebec, where freezing rain outages in Quebec are more common, which is organized to deal with freezing rain and heavy snow on the lines," he said. "This is a new phenomenon for British Columbia."

Eliesen questions whether BC Hydro has adequate equipment and crew training to deal with ice storms if they become more frequent, pointing to Hydro One storm restoration in Ontario as a comparison.

'Always something we can learn'

Scott disagrees with some of Eliesen's points.

She said some of the crews called in to deal with the recent storm come from northern B.C. and the Interior and have plenty of experience with snow.

"There's always something we can learn in every major storm situation," she said.

The idea of putting power lines underground was raised by some CBC readers and listeners, but Scott said running underground lines is five to 10 times the cost of running lines on pole, so it is done sparingly. Besides, equipment like substations and transmission lines need to be kept aboveground.

Meanwhile, Wagstaffe said that beginning Thursday, wintry weather could return to the Lower Mainland.

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Smart solar inverters anchor DER communications and control, meeting IEEE 1547 and California Rule 21 for volt/VAR, reactive power, and ride-through, expanding hosting capacity and enabling grid services via secure real-time telemetry and commands.

Key Points

Smart solar inverters use IEEE 1547, volt/VAR and reactive power to stabilize circuits and integrate DER safely.

✅ Meet IEEE 1547, Rule 21 ride-through and volt/VAR functions

✅ Support reactive power to manage voltage and hosting capacity

✅ Enable utility communications, telemetry, and grid services

Advanced solar inverters could be one of the biggest distributed energy resource communications and control points out there someday. With California now requiring at least early-stage “smart” capabilities from all new solar projects — and a standards road map for next-stage efforts like real-time communications and active controls — this future now has a template.

There are still a lot of unanswered questions about how smart inverters will be used.

That was the consensus at Intersolar this week, where experts discussed the latest developments on the U.S. smart solar inverter front. After years of pilot projects, multi-stakeholder technical working groups, and slow and steady standards development, solar smart inverters are finally starting to hit the market en masse — even if it’s not yet clear just what will be done with them once they’re installed.

“From the technical perspective, the standards are firm,” Roger Salas, distribution engineering manager for Southern California Edison, said. In September of last year, his utility started requiring that all new solar installations come with “Phase 1" advanced inverter functionality, as defined under the state’s Rule 21.

Later this month, it’s going to start requiring “reactive power priority” for these inverters, and in February 2019, it’s going to start requiring that inverters support the communications capabilities described in “Phase 2,” as well as some more advanced “Phase 3” capabilities.

Increasing hosting capacity: A win-win for solar and utilities

Each of these phases aligns with a different value proposition for smart inverters. The first phase is largely preventative, aimed at solving the kinds of problems that have forced costly upgrades to how inverters operate in solar-heavy Germany and Hawaii.

The key standard in question in the U.S. is IEEE 1547, which sets the rules for what grid-connected DERs must do to stay safe, such as trip offline when the grid goes down, or avoid overloading local transformers or circuits.

The old version of the standard, however, had a lot of restrictive rules on tripping off during relatively common voltage excursions, which could cause real problems on circuits with a lot of solar dropping off all at once.

Phase 1 implementation of IEEE 1547 is all about removing these barriers, Salas said. “They need to be stable, they need to be connected, they need to be able to support the grid.”

This should increase hosting capacity on circuits that would have otherwise been constrained by these unwelcome behaviors, he said.

Reactive power: Where utility and solar imperatives collide

The old versions of IEEE 1547 also didn’t provide rules for how inverters could use one of their more flexible capabilities: the ability to inject or absorb reactive power to mitigate voltage fluctuations, including those that may be caused by the PV itself. The new version opens up this capability, which could allow for an active application of reactive power to further increase hosting capacity, as well as solve other grid edge challenges for utilities.

But where utilities see opportunity, the solar industry sees a threat. Every unit of reactive power comes at the cost of a reduction in the real power output of solar inverters — and almost every solar installation out there is paid based on the real power it produces.

“If you’re tasked to do things that rob your energy sales, that will reduce compensation,” noted Ric O'Connell, executive director of the Oakland, Calif.-based GridLab. “And a lot of systems have third-party owners — the Sunruns, the Teslas — with growing Powerwall fleets — that have contracts, performance guarantees, and they want to get those financed. It’s harder to do that if there’s uncertainty in the future with curtailment."

“That’s the bottleneck right now,” said Daniel Munoz-Alvarez, a GTM Research grid edge analyst. “As we develop markets on the retail end for ...volt/VAR control to be compensated on the grid edge and that is compensated back to the customer, then the customer will be more willing to allow the utility to control their smart inverters or to allow some automation.”

But first, he said, “We need some agreed-upon functions.”

The future: Communications, controls and DER integration

The next stage of smart inverter functionality is establishing communications with the utility. After that, utilities will be able use them to monitor key DER data, or issue disconnect and reconnect commands in emergencies, as well as actively orchestrate other utility devices and systems through emerging virtual power plant strategies across their service areas.

This last area is where Salas sees the greatest opportunity to putting mass-market smart solar inverters to use. “If you want to maximize the DERs and what they can do, the need information from the grid. And DERs provide operational and capability information to the utility.”

Inverter makers have already been forced by California to enable the latest IEEE 1547 capabilities into their existing controls systems — but they are clearly embracing the role that their devices can play on the grid as well. Microinverter maker Enphase leveraged its work in Hawaii into a grid services business, seeking to provide data to utilities where they already had a significant number of installations. While Enphase has since scaled back dramatically, its main rival SolarEdge has taken up the same challenge, launching its own grid services arm earlier this summer.

Inverters have been technically capable of doing most of these things for a long time. But utilities and regulators have been waiting for the completion of IEEE 1547 to move forward decisively. Patrick Dalton, senior engineer for Xcel Energy, said his company’s utilities in Colorado and Minnesota are still several years away from mandating advanced inverter capabilities and are waiting for California’s energy transition example in order to choose a path forward.

In the meantime, it’s possible that Xcel's front-of-meter volt/VAR optimization investments in Colorado, including grid edge devices from startup Varentec, could solve many of the issues that have been addressed by smart inverter efforts in Hawaii and California, he noted.

The broader landscape for rolling out smart inverters for solar installations hasn’t changed much, with Hawaii and California still out ahead of the pack, while territories such as Puerto Rico microgrid rules evolve to support resilience. Arizona is the next most important state, with a high penetration of distributed solar, a contentious policy climate surrounding its proper treatment in future years, and a big smart inverter pilot from utility Arizona Public Service to inform stakeholders.

All told, eight separate smart inverter pilots are underway across eight states at present, according to GTM Research: Pacific Gas & Electric and San Diego Gas & Electric in California; APS and Salt River Project in Arizona; Hawaiian Electric in Hawaii; Duke Energy in North Carolina; Con Edison in New York; and a three-state pilot funded by the Department of Energy’s SunShot program and led by the Electric Power Research Institute.

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