Coal comeback unlikely after Paris climate pact withdrawal, says utility CEO


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US Shift From Coal to Renewables accelerates as natural gas, solar, and wind power gain market share, driven by the Paris climate agreement, clean energy mandates, smart grid upgrades, and energy efficiency.

 

Key Points

An industry trend where power producers replace coal with natural gas, solar, and wind to meet clean energy goals.

✅ Shareholders and customers demand cleaner power portfolios

✅ Natural gas, solar, and wind outcompete coal on cost and risk

✅ Smart grid and efficiency investments reduce emissions further

 

President Trump once again promised to revive the U.S. coal industry when he announced his intention to withdraw the U.S. from the Paris climate agreement.

But that reversal seems as unlikely as ever as electric power producers, the biggest consumers of coal in the U.S., continue to shift to natural gas and renewable energy sources like solar and wind power. In 2016, natural gas became the leading fuel for U.S. electricity generation for the first time, responsible for 33.8% of the output, compared with 30.4% for coal, according to the U.S. Energy Information Administration, even as coal-fired generation was projected to rise in 2021 in the short term.

Nick Akins, the CEO of American Electric Power, one of the largest utilities in the U.S., says the preference for gas, renewables and energy efficiency, will only grow in response to increasing demands from shareholders and customers for cleaner energy, regardless of changes in national energy policy.

With 5.4 million customers in 11 states, AEP plans to spend $1.5 billion on renewable energy from 2017 through 2019, and $13 billion on transmission and distribution improvements, including new “smart” technologies that will make the grid more resilient and efficient, AEP says.

We spoke with Akins on Thursday, just after Trump’s announcement. The transcript is edited for length and clarity.

 

What do you think of Trump’s decision to pull the U.S. from the climate agreement?

I don’t think it’s unexpected. He obviously made the point that he’s willing to renegotiate or have further dialogue about it. That’s a good sign. From our perspective, we’re going to continue along the path we’re already on toward a cleaner energy economy.

 

AEP and the U.S. electric power industry in general have been moving away from coal in favor of natural gas and renewable energy. Will this decision by the Trump administration have any impact on that trend?

If you look at our resource plans in all of the states we serve, they are focused on renewables, natural gas and transmission, as declining returns from coal generation pressure investment choices across the industry. And big-data analytics improves the efficiency of the grid, so energy efficiency is obviously a key component, as Americans use less electricity overall.

Our carbon dioxide emissions in 2016 were 44% below 2000 levels, and that progress will continue with the additions of more renewables, energy efficiency and natural gas.

So, you don’t see coal making a comeback at AEP or other utilities?

No, I don’t think so. … You wouldn’t make a decision (to build a coal power plant) at this point because it’s heavily capital-intensive, and involves a longer-term process and risk to build. And, of course, you can add renewables that are very efficient and natural gas that’s efficient and much less expensive and risky, in terms of construction and operation.

 

Do you plan to close any more coal-powered plants soon? 

I suspect we’ll see some more retirements in the future, with coal and nuclear closures test just transition in many communities, and as we progress towards that cleaner energy economy, and consider the expectations of our customers and shareholders for us to mitigate risk, you’ll continue to see that happen.

But on the other hand, I want to make sure there’s an understanding that coal will remain a part of the portfolio, even though in rare cases new coal plants are still being built where options are limited, but it will be of a lesser degree because of these other resources that are available to us now that weren’t available to us just a few years ago.

 

Do you find yourself under more or less pressure from customers and shareholders to move to cleaner forms of energy?

I think there’s more pressure. Investors are looking for the sustainability of the company going forward and mitigation of risks … From a customer standpoint, we have some large customers interested in moving into our service territory who are looking for cleaner energy, and want to know if we’re focused on that. Some of them want to be supplied entirely by those clean sources. So, we’re clearly responding to our customers’ and our shareholders’ expectations.

 

What’s the solution for workers at coal mines and coal power plants who have lost their jobs?

Certainly, the skill sets of employees in mining and around machinery are transferable to other areas of manufacturing, like aerospace and defense. So, we’re really focusing on economic-development efforts in our service territories … particularly in the coal states … to bring coal miners back to work, not necessarily in coal mines but certainly (in manufacturing).

 

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St. Albert touts green goals with three new electric buses

St. Albert electric buses debut as zero-emission, quiet public transit, featuring BYD technology, long-range batteries, and charging stations, serving Edmonton routes while advancing sustainable transportation goals and a future fleet expansion.

 

Key Points

They are zero-emission BYD transit buses that cut noise and air pollution, with long-range batteries and city charging.

✅ Up to 250-280 km range per charge

✅ Quiet, zero-emission operations reduce urban pollution

✅ Backed by provincial GreenTRIP funding and BYD tech

 

The city of St. Albert is going green — both literally and esthetically — with three electric buses on routes in and around the city this week.

"They're virtually silent," Wes Brodhead, chair of the Capital Region Board transit committee and a St. Albert city councillor, said. "This, as opposed to the diesel buses and the roar that accompanies them as they drive down the street."

You may not hear them coming but you'll definitely see them, as electric school buses in B.C. hit the road as well.

The 35-foot electric buses are painted bright green to represent the city's goal of adopting sustainable transportation.

"There's no noise pollution, there's no air pollution, and it just kind of fit with the whole theme of the city," said St. Albert Transit director Kevin Bamber.

'The conversation around the conference was not if but when the industry will fully embrace electrification,' - Wes Brodhead, St. Albert city councillor

The buses cost about $970,000 each. Adding in the required infrastructure, including charging stations, the project cost a total of $3.1 million, with two-thirds of the funding coming from the provincial government's Green Transit Incentives Program. 

The electric buses are estimated to go between 250 and 280 kilometres on a single charge.

"That would mean any of the routes that we currently have through St. Albert or into Edmonton, an electric bus could do the morning route, come back, park in the afternoon and go back out and do the afternoon route without a charge," Bamber said. 

St. Albert councillor Wes Brodhead envisions having a full fleet of 60 electric buses in years to come, a scale informed by examples like the TTC's electric bus fleet operating in North America. (Supplied)

Brodhead went to an international transit conference in Montreal, where STM electric buses have begun rolling out and he said manufacturers presented various electric bus designs. 

"The conversation around the conference was not if but when the industry will fully embrace electrification," Brodhead said.

The vehicles were built in California by BYD Ltd., one of only two companies making the long-endurance electric buses.

The city has ordered four more of the buses and hopes to be running all seven by the end of the year, as battery-electric buses in Metro Vancouver continue to hit the roads nationwide.

Eventually, Brodhead envisions having a full fleet of 60 electric buses in St. Albert.

Edmonton is expected to operate as many as 40 electric buses, and while city staff are still in the planning stages, Edmonton's first electric bus has already hit city streets.

 

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Montreal's first STM electric buses roll out

STM Electric Buses Montreal launch a zero-emission pilot with rapid charging stations on the 36 Monk line from Angrignon to Square Victoria, winter-tested for reliability and aligned with STM's 2025 fully electric fleet plan.

 

Key Points

STM's pilot deploys zero-emission buses with charging on the 36 Monk line, aiming for a fully electric fleet by 2025.

✅ 36 Monk route: Angrignon to Square Victoria with rapid charging

✅ Winter-tested performance; 15-25 km range per charge

✅ Quebec-built: motors Boucherville; buses Saint-Eustache

 

The first of three STM electric buses are rolling in Montreal, similar to initiatives with Vancouver electric buses elsewhere in Canada today.

The test batch is part of the city's plan to have a fully electric fleet by 2025, mirroring efforts such as St. Albert's electric buses in Alberta as well.

Over the next few weeks, one bus at a time will be put into circulation along the 36 Monk line, a rollout approach similar to Edmonton's first electric bus efforts in that city, going from Angrignon Metro station to Square Victoria Metro station. 

Rapid charging stations have been set up at both locations, a model seen in TTC's battery-electric rollout to support operations, so that batteries can be charged during the day between routes. The buses are also going to be fully charged at regular charging stations overnight.

Each bus can run from 15 to 25 kilometres on a single charge. The Monk line was chosen in part for its length, around 11 kilometres.

The STM has been testing the electric buses to make sure they can stand up to Montreal's harsh winters, drawing on lessons from peers such as the TTC electric bus fleet in Toronto, and now they are ready to take on passengers.

 

Keeping it local

The motors were designed in Boucherville, and the buses themselves were built in Saint-Eustache.

No timeline has been set for when the STM will be ready to roll out the whole fleet, but Montreal Mayor Denis Coderre, who was on hand at Tuesday's unveiling, told reporters he has confidence in the $11.9-million program.

"We start with three. Trust me, there will be more." said Coderre.

 

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UK must be ready for rise of electric vehicles, says ABB chief

UK EV Charging Infrastructure is accelerating as ABB and Formula E spotlight fast charging, smart grids, and public stations, preparing Britain for mass electric vehicle adoption with expanded capacity, reliable connectors, and nationwide coverage.

 

Key Points

The UK network of charge points, grid capacity, and services enabling secure, scalable electric vehicle adoption.

✅ ABB urges rapid rollout of fast chargers and smart grid upgrades

✅ National Grid forecasts up to 9m EVs by 2030 in the UK

✅ Government GBP 400m investment targets reliable nationwide coverage

 

The UK should speed up preparations for the rise of electric vehicles, according to the chief executive of ABB, the world’s largest supplier of fast-charging points.

Speaking as the Switzerland-based engineering firm became the first official sponsor of the electric street racing series Formula E, Ulrich Spiesshofer predicted a flood of consumer take-up of plug-in cars, noting how EV inquiries surged in the UK during a recent fuel supply crisis.

And he added his voice to warnings that Britain must move faster to make sure owners of electric vehicles are not stymied by a shortage of charging bays or cost concerns among consumers.

“E-mobility is unstoppable, it’s just a question of how fast and how deep it will be deployed,” he said. “The UK has a big population that really wants to contribute to a greener, more sustainable world. But there’s always a question of whether it’s quick enough. In the next couple of years, it’s in the interest of everybody to make sure the infrastructure is coming up.”

 

How green are electric cars?

He said this would include adding to the UK’s network of electric charging points, as well as ensuring enough energy capacity so that the grid can cope with rising demand.

There are 14,344 charging connectors in the UK, according to ZapMap, which charts the scale of the UK’s network.

Those charging points served around 132,000 plug-in vehicles at the end of 2017, but the National Grid has predicted that the number of electric cars could surge to 9m by 2030.

“In the next couple of years, it’s in the interest of everybody to make sure the infrastructure is coming up,” said Spiesshofer.

He welcomed the government’s budget pledge to spend £400m on improving the UK’s charging point network but warned that the power grid also needed to be ready to meet the increased demand, which many argue is manageable with proper management approaches.

Electric cars have been forecast to add about 18 gigawatts of power demand to the grid, the equivalent of six Hinkley Point C nuclear power stations.

Spiesshofer said he hoped ABB’s sponsorship of Formula E, which will last until 2025, would help spur interest in electric cars and lead to technological breakthroughs, even as the US EV boom tests charging capacity elsewhere.

 

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Sparking change: what Tesla's Model 3 could mean for electric utilities

EV Opportunity for Utilities spans EV charging infrastructure, grid modernization, demand response, time-of-use rates, and customer engagement, enabling predictable load growth, flexible charging, and stronger utility branding amid electrification and resilience challenges.

 

Key Points

It is the strategy to leverage EV adoption for load growth, grid flexibility, and branded charging services.

✅ Monetizes EV load via TOU rates, managed charging, and V2G.

✅ Uses rate-based infrastructure to expand equitable charging access.

✅ Enhances resilience and DER integration through smart grid upgrades.

 

Tesla recently announced delivery of the first 30 production units of its Model 3 electric vehicle (EV). EV technology has generated plenty of buzz in the electric utility industry over the past decade and, with last week’s announcement, it would appear that projections of a significant market presence for EVs could give way to rapid growth.

Tesla’s announcement could not have come at a more critical time for utilities, which face unprecedented challenges. For the past 15 years, utilities have been grappling with increasingly frequent “100-year storms,” including hurricanes, snowstorms and windstorms, underscoring the reality that the grid’s aging infrastructure is not fit to withstand increasingly extreme weather, along with other threats, such as cyber attacks.

Coupled with flat or declining load growth, changing regulations, increasing customer demand, and new technology penetration, these challenges have given the electric utility industry good reason to describe its future as “threatened.” These trends, each exacerbating the others, mean essentially that utilities can no longer rely on traditional ways of doing business.

EVs have significant potential to help relieve the industry’s pessimistic outlook. This article will explore what EV growth could mean for utilities and how they can begin establishing critical foundations today to help ensure their ability to exploit this opportunity.

 

The opportunity

At the Bloomberg New Energy Finance (BNEF) Global Summit 2017, BNEF Advisory Board Chairman Michael Liebreich announced the group’s prediction that electric vehicles will comprise 35-47 percent of new vehicle sales globally by 2040.

U.S. utilities have good reason to be optimistic about this potential new revenue source, as EV-driven demand growth could be substantial according to federal lab analyses. If all 236 million gas-powered cars in the U.S. — average miles driven per year: 12,000 — were replaced with electric vehicles, which travel an average of 100 miles on 34 kWh, they would require 956 billion kWh each year. At a national average cost of $0.12 / kWh, the incremental energy sold by utilities in the U.S. would bring in around $115 billion per year in new revenues. A variety of factors could increase or decrease this number, but it still represents an attractive opportunity for the utility sector.

Capturing this burgeoning market is not simply a matter of increased demand; it will also require utilities to be predictable, adaptable and brandable. Moreover, while the aggregate increase in demand might be only 3-4 percent, demand can come as a flexible and adaptable load through targeted programming. Also, if utilities target the appropriate customer groups, they can brand themselves as the providers of choice for EV charging. The power of stronger branding, in a sector that’s experiencing significant third-party encroachment, could be critical to the ongoing financial health of U.S. utilities.

Many utilities are already keenly aware of the EV opportunity and are speeding down this road (no pun intended) as part of their plans for utility business model reinvention. Following are several questions to be asked when evaluating the EV opportunity.

 

Is the EV opportunity feasible with today’s existing grid?

According to a study conducted by the U.S. Department of Energy’s Pacific Northwest National Laboratory, the grid is already capable of supporting more than 150 million pure electric vehicles, even as electric cars could challenge state grids in the years ahead, a number equal to at least 63 percent of all gas-powered cars on the road today. This is significant, considering that a single EV plugged into a Level 2 charger can double a home’s peak electricity demand. Assuming all 236 million car owners eventually convert to EVs, utilities will need to increase grid capacity. However, today’s grid already has the capacity to accommodate the most optimistic prediction of 35-47 percent EV penetration by 2040, which is great news.

 

Should the EV opportunity be owned by utilities?

There’s significant ongoing debate among regulators and consumer advocacy groups as to whether utilities should own the EV charging infrastructure, with fights for control over charging reflecting broader market concerns today. Those who are opposed to this believe that the utilities will have an unfair pricing advantage that will inhibit competition. Similarly, if the infrastructure is incorporated into the rate base, those who do not own electric vehicles would be subsidizing the cost for those who do.

If the country is going to meet the future demands of electric cars, the charging infrastructure and power grid will need help, and electric utilities are in the best position to address the problem, as states like California explore EVs for grid stability through utility-led initiatives that can scale. By rate basing the charging infrastructure, utilities can provide charging services to a wider range of customers. This would not favor one economic group over another, which many fear would happen if the private sector were to control the EV charging market.

 

If you build it, will they come?

At this point, we can conclude that growth in EV market penetration is a tremendous opportunity for utilities, one that’s most advantageous to electricity customers if utilities own some, if not all, of the charging infrastructure. The question is, if you build it, will they come — and what are the consequences if they don’t?

With any new technology, there’s always a debate centered around adoption timing — in this case, whether to build the infrastructure ahead of demand for EV or wait for adoption to spike. Either choice could have disastrous consequences if not considered properly. If utilities wait for the adoption to spike, their lack of EV charging infrastructure could stunt the growth of the EV sector and leave an opening for third-party providers. Moreover, waiting too long will inhibit GHG emissions reduction efforts and generally complicate EV technology adoption. On the other hand, building too soon could lead to costly stranded assets. Both problems are rooted in the inability to control adoption timing, and, until recently, utilities didn’t have the means or the savvy to influence adoption directly.

 

How should utilities prepare for the EV?

Beyond the challenges of developing the hardware, partnerships and operational programs to accommodate EV, including leveraging energy storage and mobile chargers for added flexibility, influencing the adoption of the infrastructure will be a large part of the challenge. A compelling solution to this problem is to develop an engaged customer base.

A more engaged customer base will enable utilities to brand themselves as preferred EV infrastructure providers and, similarly, empower them to influence the adoption rate. There are five key factors in any sector that influence innovation adoption:

  1. Relative advantage – how improved an innovation is over the previous generation.

  2. Compatibility – the level of compatibility an innovation has with an individual’s life.

  3. Complexity – if the innovation is to difficult to use, individuals will not likely adopt it.

  4. Trialability – how easily an innovation can be experimented with as it’s being adopted.

  5. Observability – the extent that an innovation is visible to others.

Although much of EV adoption will depend on the private vehicle sector influencing these five factors, there’s a huge opportunity for utilities to control the compatibility, complexity and observability of the EV. According to  “The New Energy Consumer: Unleashing Business Value in a Digital World,” utilities can influence customers’ EV adoption through digital customer engagement. Studies show that digitally engaged customers:

  • have stronger interest and greater likelihood to be early EV adopters;

  • are 16 percent more likely to purchase home-based electric vehicle charging stations and installation services;

  • are 17 percent more likely to sign up for financing for home-based electric vehicle charging stations; and

  • increase the adoption of consumer-focused programs.

These findings suggest that if utilities are going to seize the full potential of the EV opportunity, they must start engaging customers now so they can appropriately influence the timing and branding of EV charging assets.

 

How can utilities engage consumers in preparation?

If utilities establish the groundwork to engage customers effectively, they can reduce the risks of waiting for an adoption spike and of building and investing in the asset too soon. To improve customer engagement, utilities need to:

  1. Change their customer conversations from bills, kWh, and outages, to personalized, interesting topics, communicated at appropriate intervals and via appropriate communication channels, to gain customers’ attention.

  2. Establish their roles as trusted advisors by presenting useful, personalized recommendations that benefit customers. These tips should change dynamically with changing customer behavior, or they risk becoming stagnant and redundant, thereby causing customers to lose interest.

  3. Convert the perception of the utility as a monopolistic, inflexible entity to a desirable, consumer-oriented brand through appropriate EV marketing.

It’s critical to understand that this type of engagement strategy doesn’t even have to provide EV-specific messaging at first. It can start by engaging customers through topics that are relevant and unique, through established or evolving customer-facing programs, such as EE, BDR, TOU, HER.

As lines of communication open up between utility and users, utilities can begin to understand their customers’ energy habits on a more granular level. This intelligence can be used by business analysts to help educate program developers on the optimal EV program timing. For example, as customers become interested in services in which EV owners typically enlist, utilities can target them for EV program marketing. As the number of these customers grows, the window for program development opens, and their levels of interest can be used to inform program and marketing timelines.

While all this may seem like an added nuisance to an EV asset development strategy, there’s significant risk of losing this new asset to third-party providers. This is a much greater burden to utilities than spending the time to properly own the EV opportunity.

 

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UPS pre-orders 125 Tesla electric semi-trucks

UPS Tesla Electric Semi Order marks the largest pre-order of all-electric Class-8 big rigs, advancing sustainable freight logistics with lower total cost of ownership, expanded charging infrastructure support, and competitive range versus diesel trucks.

 

Key Points

UPS's purchase of 125 Tesla all-electric Class-8 semis to cut costs, emissions, and modernize long-haul freight.

✅ Largest public pre-order: 125 electric Class-8 trucks

✅ Aims lower total cost of ownership vs diesel

✅ Includes charging infrastructure consulting by Tesla

 

United Parcel Service Inc. said on Tuesday it is buying 125 Tesla Inc. all-electric semi-trucks, the largest order for the big rig so far, as the package delivery company expands its fleet of alternative-fuel vehicles, including options like the all-electric Transit cargo van now entering the market.

Tesla is trying to convince the trucking community it can build an affordable electric big rig with the range and cargo capacity to compete with relatively low-cost, time-tested diesel trucks. This is the largest public order of the big rig so far, Tesla said.

The Tesla trucks will cost around $200,000 each for a total order of about $25 million. UPS expects the semi-trucks, the big rigs that haul freight along America's highways, will have a lower total cost of ownership than conventional vehicles, which run about $120,000.

Tesla has received pre-orders from such major companies as Wal-Mart, fleet operator J.B. Hunt Transport Services Inc. and food service distributor Sysco Corp.

Prior to UPS, the largest single pre-order came from PepsiCo Inc, for 100 trucks. 

UPS said it has provided Tesla with real-world routing information as part of its evaluation of the vehicle's expected performance.

"As with any introductory technology for our fleet, we want to make sure it's in a position to succeed," Scott Phillippi, UPS senior director for automotive maintenance and engineering for international operations, told Reuters.

Phillippi said the 125 trucks will allow UPS to conduct a proper test of their abilities. He said the company was still determining their routes, but the semis will "primarily be in the United States." Tesla will provide consultation and support on charging infrastructure, as electric truck fleets will need a lot of power to operate at scale.

"We have high expectations and are very optimistic that this will be a good product and it will have firm support from Tesla to make it work," Phillippi said.

The UPS alternative fuel fleet already includes trucks propelled by electricity, natural gas, propane and other non-traditional fuels, and interest in electric mail trucks underscores how delivery fleets are evolving.

About 260,000 semis, or heavy-duty Class-8 trucks, are produced in North America annually, according to FTR, an industry economics research firm.

Including the UPS order, Tesla has at least 410 pre-orders in hand, according to a Reuters tally.

Navistar International Corp. and Volkswagen AG hope to launch a smaller, electric medium-duty truck by late 2019, while rival Daimler AG has delivered the first of a smaller range of electric trucks to customers in New York, and Volvo Trucks planned a complete range of electric trucks in Europe by 2021.

Tesla unveiled its semi last month, following earlier plans to reveal the truck in October, and expects the truck to be in production by 2019.

 

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Clean energy's dirty secret

Renewable Energy Market Reform aligns solar and wind with modern grid pricing, tackling intermittency via batteries and demand response, stabilizing wholesale power prices, and enabling capacity markets to finance flexible supply for deep decarbonization.

 

Key Points

A market overhaul that integrates variable renewables, funds flexibility, and stabilizes grids as solar and wind grow.

✅ Dynamic pricing rewards flexibility and demand response

✅ Capacity markets finance reliability during intermittency

✅ Smart grids, storage, HV lines balance variable supply

 

ALMOST 150 years after photovoltaic cells and wind turbines were invented, they still generate only 7% of the world’s electricity. Yet something remarkable is happening. From being peripheral to the energy system just over a decade ago, they are now growing faster than any other energy source and their falling costs are making them competitive with fossil fuels. BP, an oil firm, expects renewables to account for half of the growth in global energy supply over the next 20 years. It is no longer far-fetched to think that the world is entering an era of clean, unlimited and cheap, abundant electricity for all. About time, too. 

There is a $20trn hitch, though. To get from here to there requires huge amounts of investment over the next few decades, to replace old smog-belching power plants and to upgrade the pylons and wires that bring electricity to consumers. Normally investors like putting their money into electricity because it offers reliable returns. Yet green energy has a dirty secret. The more it is deployed, the more it lowers the price of power from any source. That makes it hard to manage the transition to a carbon-free future, during which many generating technologies, clean and dirty, need to remain profitable if the lights are to stay on. Unless the market is fixed, subsidies to the industry will only grow.

Policymakers are already seeing this inconvenient truth as a reason to put the brakes on renewable energy. In parts of Europe and China, investment in renewables is slowing as subsidies are cut back, even as Europe’s electricity demand continues to rise. However, the solution is not less wind and solar. It is to rethink how the world prices clean energy in order to make better use of it.

 

Shock to the system

At its heart, the problem is that government-supported renewable energy has been imposed on a market designed in a different era. For much of the 20th century, electricity was made and moved by vertically integrated, state-controlled monopolies. From the 1980s onwards, many of these were broken up, privatised and liberalised, so that market forces could determine where best to invest. Today only about 6% of electricity users get their power from monopolies. Yet everywhere the pressure to decarbonise power supply has brought the state creeping back into markets. This is disruptive for three reasons. The first is the subsidy system itself. The other two are inherent to the nature of wind and solar: their intermittency and their very low running costs. All three help explain why power prices are low and public subsidies are addictive.

First, the splurge of public subsidy, of about $800bn since 2008, has distorted the market. It came about for noble reasons—to counter climate change and prime the pump for new, costly technologies, including wind turbines and solar panels. But subsidies hit just as electricity consumption in the rich world was stagnating because of growing energy efficiency and the financial crisis. The result was a glut of power-generating capacity that has slashed the revenues utilities earn from wholesale power markets and hence deterred investment.

Second, green power is intermittent. The vagaries of wind and sun—especially in countries without favourable weather—mean that turbines and solar panels generate electricity only part of the time. To keep power flowing, the system relies on conventional power plants, such as coal, gas or nuclear, to kick in when renewables falter. But because they are idle for long periods, they find it harder to attract private investors. So, to keep the lights on, they require public funds.

Everyone is affected by a third factor: renewable energy has negligible or zero marginal running costs—because the wind and the sun are free. In a market that prefers energy produced at the lowest short-term cost, wind and solar take business from providers that are more expensive to run, such as coal plants, depressing wholesale electricity prices, and hence revenues for all.

 

Get smart

The higher the penetration of renewables, the worse these problems get—especially in saturated markets. In Europe, which was first to feel the effects, utilities have suffered a “lost decade” of falling returns, stranded assets and corporate disruption. Last year, Germany’s two biggest electricity providers, E.ON and RWE, both split in two. In renewable-rich parts of America, power providers struggle to find investors for new plants, reflecting U.S. grid challenges that slow a full transition. Places with an abundance of wind, such as China, are curtailing wind farms to keep coal plants in business.

The corollary is that the electricity system is being re-regulated as investment goes chiefly to areas that benefit from public support. Paradoxically, that means the more states support renewables, the more they pay for conventional power plants, too, using “capacity payments” to alleviate intermittency. In effect, politicians rather than markets are once again deciding how to avoid blackouts. They often make mistakes: Germany’s support for cheap, dirty lignite caused emissions to rise, notwithstanding huge subsidies for renewables. Without a new approach the renewables revolution will stall.

The good news is that new technology can help fix the problem.  Digitalisation, smart meters and batteries are enabling companies and households to smooth out their demand—by doing some energy-intensive work at night, for example. This helps to cope with intermittent supply. Small, modular power plants, which are easy to flex up or down, are becoming more popular, as are high-voltage grids that can move excess power around the network more efficiently, aligning with common goals for electricity networks worldwide.

The bigger task is to redesign power markets to reflect the new need for flexible supply and demand. They should adjust prices more frequently, to reflect the fluctuations of the weather. At times of extreme scarcity, a high fixed price could kick in to prevent blackouts. Markets should reward those willing to use less electricity to balance the grid, just as they reward those who generate more of it. Bills could be structured to be higher or lower depending how strongly a customer wanted guaranteed power all the time—a bit like an insurance policy. In short, policymakers should be clear they have a problem and that the cause is not renewable energy, but the out-of-date system of electricity pricing. Then they should fix it.

 

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