Laptop, cellphone and iPod owners tired of having their devices run out of charge after a few hours have been patiently waiting for the next portable power source to arrive.
Tiny fuel cells, powered by combustible liquids or gasses, have long been touted as the eventual solution. Potentially, they could power a laptop for days between refills.
But fuel cells have perennially remained a year or two away from reaching the market as companies have worked on making them small, cheap and long-lasting, while making sure they don't overheat.
The U.S. government removed a key roadblock this year when the Department of Transportation amended its hazardous materials regulations to allow cells with methanol, butane or formic acid to be carried on airplanes. Methanol and butane are flammable, and formic acid is corrosive.
“That was one of the largest challenges to this market, to overcome that regulation issue,” said Sara Bradford, an energy and power systems consultant for Frost & Sullivan.
Fuel cells, in which a tiny amount of fuel flows into a small chip to generate electricity without combustion, would allow users to skip the wall plug and simply swap out a fuel cartridge to continue listening to music or check e-mail.
Ms. Bradford thinks products are now truly a year or two away, as electronics manufacturers show more interest and fuel-cell makers move beyond trade-show prototypes.
“We are closer, much closer, than even two years ago in terms of the companies' internal designs, how they've met their milestones and just the amount of testing and evaluation that's going on right now,” Ms. Bradford said.
Lilliputian Systems Inc., a Wilmington, Mass., firm founded by former Massachusetts Institute of Technology researchers, plans to introduce a portable fuel cell late next year for any device that can be charged via a USB port.
The cigarette-pack-size charger will use a canister of butane, the same fuel used in cigarette lighters, to juice up an iPod, BlackBerry, GPS device or digital camera, said Mouli Ramani, Lilliputian's vice-president of business development.
Each teaspoon of the fuel can provide 20 times the run time of a battery of the same size. The charging system would likely sell for $100 to $150 (US) with refill cartridges retailing for $1 to $3, he said.
MTI MicroFuel Cells Inc. has been working on fuel cell technology since 2000. In 2002, was showing a prototype it planned to bring to market by 2004.
Peng Lim, the Albany-based company's chairman and chief executive, said MTI has been making significant progress recently. It's current methanol fuel cell can produce about three times the energy of a lithium ion battery, common in cell phones. With further improvements, the cell could one day last ten times longer than lithium, he said.
MTI plans to introduce an external charger by late 2009 as it works with electronics manufacturers on building fuel cells into devices.
Lim said MTI has signed partnerships with the mobile phone division of Samsung Electronics Co. of Korea, a Japan-based digital camera company and Neo Solar Co. Ltd., which makes computers that are smaller than laptops.
Lilliputian also plans to transition to embedding fuel cells in gadgets. Mr. Ramani said the company has signed commercialization agreements with three large, multinational entities he cannot yet name.
Panasonic is promising a fuel cell that can power a laptop for 20 hours on a cup of methanol, but the company says it won't hit stores until 2012.
Medis Technologies Ltd. has come out with a 1-watt liquid borohydride fuel cell recharger that can provide 30 hours of cell phone talk time. The 24-7 Power Pack is slightly larger than a deck of cards and can't be refueled, so it has to be recycled once it's exhausted.
Not all manufacturers are sold on fuel cells, at least not in the near term.
Matt Kohut, competitive analyst for Lenovo Group Ltd., the world's No. 4 PC maker, said fuel cells will eventually power laptops but he doesn't see commercialization for at least five years.
The industry needs to unite to standardize the technology, he believes, and the DOT's limiting of fuel cartridges to smaller than 7 ounces might not provide adequate power for early devices, Mr. Kohut said.
Consumers are used to getting a free battery charge from any electrical outlet, so refill cartridges would have to be “as ubiquitous as cigarettes and bottles of Coke in every 7-Eleven” in order for fuel cells to take off, Mr. Kohut said.
Lenovo is moving toward silver-zinc batteries, which have 20 to 30 per cent higher capacity than lithium ion batteries and don't wear out as fast, Mr. Kohut said.
Toshiba, which has demonstrated fuel cell prototypes at the Consumer Electronic Show during the past few years, continues to develop the technology but doesn't have any firm dates for commercial use, said Duc Dang, group manager for product development for Toshiba America Information Systems Inc. Next year, the company hopes to begin shipping lithium batteries that charge faster.
Mr. Ramani said he understands the skepticism about fuel cells, since they've been “the technology of tomorrow” for a few years.
“We're not around the corner,” Mr. Ramani said. “We're still 12 months to 15 months away from having this in consumers hands.”
Hydro-Quebec Rate Freeze maintains current electricity rates, aligned with Bill 34, inflation indexing, and energy board oversight, delivering rebates to residential, commercial, and industrial customers and projecting nearly $1 billion in savings across Quebec.
Key Points
A Bill 34 policy holding power rates, adding 2020 rebates, and indexing 2021-2024 rates to inflation for Quebec customers.
✅ 2020-21 rates frozen; savings near $1B over five years.
✅ 2021-2024 rates index to inflation; five-year reviews after 2025.
Hydro-Quebec Distribution will not file a rate adjustment application with the province’s energy board this year, amid a class-action lawsuit alleging customers were overcharged.
In a statement released on Friday the Crown Corporation said it wants current electricity rates to be maintained for another year, as pandemic-driven demand pressures persist, starting April 1. That is consistent with the recently tabled Bill 34, and echoes Ontario legislation to lower electricity rates in its aims, which guarantees lower electricity rates for Quebecers.
The bill also provides a $500 million rebate in 2020, similar to a $535 million refund previously issued, half of which will go to residential customers while $190 million will go to commercial customers and another $60 million to industrial ones.
Hydro-Quebec said the 2020-21 rate freeze will generate savings of nearly $1 billion for its clients over the next five years, even as Manitoba Hydro scales back increases in a different market.
Bill 34, which was tabled in June, also proposes to set rates based on inflation for the years 2021 to 2024, contrasting with Ontario rate increases over the same period. After 2025 Hydro-Quebec would have to ask the energy board to set new rates every five years, as opposed to the current annual system, while BC Hydro is raising rates by comparison.
UK Market Stability Outlook remains febrile as the Bank of England, Treasury, and OBR forecasts shape fiscal policy, interest rates, gilt yields, inflation, energy bills, and pound sterling, with Oct. 31 guidance to reassure investors.
Key Points
A view of investor confidence as BOE policy, fiscal plans, and energy aid shape inflation and interest rates.
✅ Markets await Oct. 31 fiscal statement and OBR projections
✅ Energy support design drives inflation and disposable income
✅ Pound weakness adds imported inflation; rates seen up 75 bps
Bank of England Deputy Governor Dave Ramsden said financial markets are still unsettled about the outlook for the UK and that a Treasury statement due on Oct. 31 may provide some reassurance.
Speaking to the Treasury Committee in Parliament, Ramsden said officials in government and the central bank are dealing with huge economic shocks, notably the surge in energy prices that came with Russia’s attack on Ukraine. Investors are reassessing where interest rates and the fiscal stance are headed.
“Markets remain quite febrile,” Ramsden told members of Parliament in London on Monday. “Things have not settled down yet.”
He described the events following Prime Minister Liz Truss’s ill-fated fiscal statement on Sept. 23, which set out a series of tax cuts funded by borrowing that spooked investors and triggered a rout in UK assets. Ramsden said those events damaged the UK’s credibility among investors, but reversing that program and Truss’s decision to step aside have helped the nation regain confidence.
“Credibility is hard won and easily lost,” Ramsden said. “That credibility is being recovered. That has to be followed through. A return to the kind of stability around policy making and around the framing of fiscal events will be really important.”
He said the issue with the Sept. 23 statement was that “it had one side of the fiscal arithmetic in it” and that the decision to include forecasts from the Office for Budget Responsibility will help underpin the confidence investors have in assessing the UK budget due out next week, including potential moves to end the link between gas and electricity prices for consumers.
“What we are going to get on Oct. 31 will be very important,” Ramsden said, “as it will address measures such as the price cap on household energy bills and other fiscal choices.”
“My sense is that will take account of all the statements on both the revenue and on the spending side.”
The central bank already was getting some information from Chancellor of the Exchequer Jeremy Hunt’s team about the fiscal statement due. Hunt said last week he’d curtail government plans to subsidize household fuel bills in April, when a 16% decrease in energy bills is anticipated, instead of letting it run as long as planned and replace it with a more targeted program.
“To the extent possible, we will obviously have a little bit of time to take account of that before we make our decisions later next week,” Ramsden said.
With Truss stepping down in the next day and handing power to Rishi Sunak, it isn’t certain the Oct. 31 statement will go ahead as planned. Ramsden’s remarks confirm reports that Hunt is preparing to make the statement, amid a free electricity debate in the industry, even before Sunak names his team.
Any hint about what sort of package Hunt will offer on energy is crucial to the BOE’s forecasts. Without aid for energy, consumers will be exposed to high winter heating and electricity costs and to the full force of whatever happens in natural gas and electricity markets, and that will have a big impact on how much disposable income is available to households.
The energy plan, alongside the energy security bill, “will be a key element, as obviously it will have a bearing on the path for inflation, which is critical, but also how much additional support relative to what we were assuming at the time of the September MPC there will be for households at different points in the income distribution,” Ramsden added.
Investors currently expect the BOE to hike rates by 75 basis points next week.
Ramsden also said the BOE is watching the pound’s decline to assess how that changes the outlook for inflation.
“We have to take account of it,” Ramsden said. “When sterling deprreciaties that feeds through to imported inflation. It’s fallen quite significantly. The overall trend is down.”
Boeing 787 More-Electric Architecture replaces pneumatics with bleedless pressurization, VFSG starter-generators, electric brakes, and heated wing anti-ice, leveraging APU, RAT, batteries, and airport ground power for efficient, redundant electrical power distribution.
Key Points
An integrated, bleedless electrical system powering start, pressurization, brakes, and anti-ice via VFSGs, APU and RAT.
✅ VFSGs start engines, then generate 235Vac variable-frequency power
✅ Bleedless pressurization, electric anti-ice improve fuel efficiency
✅ Electric brakes cut hydraulic weight and simplify maintenance
The 787 Dreamliner is different to most commercial aircraft flying the skies today. On the surface it may seem pretty similar to the likes of the 777 and A350, but get under the skin and it’s a whole different aircraft.
When Boeing designed the 787, in order to make it as fuel efficient as possible, it had to completely shake up the way some of the normal aircraft systems operated. Traditionally, systems such as the pressurization, engine start and wing anti-ice were powered by pneumatics. The wheel brakes were powered by the hydraulics. These essential systems required a lot of physical architecture and with that comes weight and maintenance. This got engineers thinking.
What if the brakes didn’t need the hydraulics? What if the engines could be started without the pneumatic system? What if the pressurisation system didn’t need bleed air from the engines? Imagine if all these systems could be powered electrically… so that’s what they did.
Power sources
The 787 uses a lot of electricity. Therefore, to keep up with the demand, it has a number of sources of power, much as grid operators track supply on the GB energy dashboard to balance loads. Depending on whether the aircraft is on the ground with its engines off or in the air with both engines running, different combinations of the power sources are used.
Engine starter/generators
The main source of power comes from four 235Vac variable frequency engine starter/generators (VFSGs). There are two of these in each engine. These function as electrically powered starter motors for the engine start, and once the engine is running, then act as engine driven generators.
The generators in the left engine are designated as L1 and L2, the two in the right engine are R1 and R2. They are connected to their respective engine gearbox to generate electrical power directly proportional to the engine speed. With the engines running, the generators provide electrical power to all the aircraft systems.
APU starter/generators
In the tail of most commercial aircraft sits a small engine, the Auxiliary Power Unit (APU). While this does not provide any power for aircraft propulsion, it does provide electrics for when the engines are not running.
The APU of the 787 has the same generators as each of the engines — two 235Vac VFSGs, designated L and R. They act as starter motors to get the APU going and once running, then act as generators. The power generated is once again directly proportional to the APU speed.
The APU not only provides power to the aircraft on the ground when the engines are switched off, but it can also provide power in flight should there be a problem with one of the engine generators.
Battery power
The aircraft has one main battery and one APU battery. The latter is quite basic, providing power to start the APU and for some of the external aircraft lighting.
The main battery is there to power the aircraft up when everything has been switched off and also in cases of extreme electrical failure in flight, and in the grid context, alternatives such as gravity power storage are being explored for long-duration resilience. It provides power to start the APU, acts as a back-up for the brakes and also feeds the captain’s flight instruments until the Ram Air Turbine deploys.
Ram air turbine (RAT) generator
When you need this, you’re really not having a great day. The RAT is a small propeller which automatically drops out of the underside of the aircraft in the event of a double engine failure (or when all three hydraulics system pressures are low). It can also be deployed manually by pressing a switch in the flight deck.
Once deployed into the airflow, the RAT spins up and turns the RAT generator. This provides enough electrical power to operate the captain’s flight instruments and other essentials items for communication, navigation and flight controls.
External power
Using the APU on the ground for electrics is fine, but they do tend to be quite noisy. Not great for airports wishing to keep their noise footprint down. To enable aircraft to be powered without the APU, most big airports will have a ground power system drawing from national grids, including output from facilities such as Barakah Unit 1 as part of the mix. Large cables from the airport power supply connect 115Vac to the aircraft and allow pilots to shut down the APU. This not only keeps the noise down but also saves on the fuel which the APU would use.
The 787 has three external power inputs — two at the front and one at the rear. The forward system is used to power systems required for ground operations such as lighting, cargo door operation and some cabin systems. If only one forward power source is connected, only very limited functions will be available.
The aft external power is only used when the ground power is required for engine start.
Circuit breakers
Most flight decks you visit will have the back wall covered in circuit breakers — CBs. If there is a problem with a system, the circuit breaker may “pop” to preserve the aircraft electrical system. If a particular system is not working, part of the engineers procedure may require them to pull and “collar” a CB — placing a small ring around the CB to stop it from being pushed back in. However, on the 787 there are no physical circuit breakers. You’ve guessed it, they’re electric.
Within the Multi Function Display screen is the Circuit Breaker Indication and Control (CBIC). From here, engineers and pilots are able to access all the “CBs” which would normally be on the back wall of the flight deck. If an operational procedure requires it, engineers are able to electrically pull and collar a CB giving the same result as a conventional CB.
Not only does this mean that the there are no physical CBs which may need replacing, it also creates space behind the flight deck which can be utilised for the galley area and cabin.
A normal flight
While it’s useful to have all these systems, they are never all used at the same time, and, as the power sector’s COVID-19 mitigation strategies showed, resilience planning matters across operations. Depending on the stage of the flight, different power sources will be used, sometimes in conjunction with others, to supply the required power.
On the ground
When we arrive at the aircraft, more often than not the aircraft is plugged into the external power with the APU off. Electricity is the blood of the 787 and it doesn’t like to be without a good supply constantly pumping through its system, and, as seen in NYC electric rhythms during COVID-19, demand patterns can shift quickly. Ground staff will connect two forward external power sources, as this enables us to operate the maximum number of systems as we prepare the aircraft for departure.
Whilst connected to the external source, there is not enough power to run the air conditioning system. As a result, whilst the APU is off, air conditioning is provided by Preconditioned Air (PCA) units on the ground. These connect to the aircraft by a pipe and pump cool air into the cabin to keep the temperature at a comfortable level.
APU start
As we near departure time, we need to start making some changes to the configuration of the electrical system. Before we can push back , the external power needs to be disconnected — the airports don’t take too kindly to us taking their cables with us — and since that supply ultimately comes from the grid, projects like the Bruce Power upgrade increase available capacity during peaks, but we need to generate our own power before we start the engines so to do this, we use the APU.
The APU, like any engine, takes a little time to start up, around 90 seconds or so. If you remember from before, the external power only supplies 115Vac whereas the two VFSGs in the APU each provide 235Vac. As a result, as soon as the APU is running, it automatically takes over the running of the electrical systems. The ground staff are then clear to disconnect the ground power.
If you read my article on how the 787 is pressurised, you’ll know that it’s powered by the electrical system. As soon as the APU is supplying the electricity, there is enough power to run the aircraft air conditioning. The PCA can then be removed.
Engine start
Once all doors and hatches are closed, external cables and pipes have been removed and the APU is running, we’re ready to push back from the gate and start our engines. Both engines are normally started at the same time, unless the outside air temperature is below 5°C.
On other aircraft types, the engines require high pressure air from the APU to turn the starter in the engine. This requires a lot of power from the APU and is also quite noisy. On the 787, the engine start is entirely electrical.
Power is drawn from the APU and feeds the VFSGs in the engines. If you remember from earlier, these fist act as starter motors. The starter motor starts the turn the turbines in the middle of the engine. These in turn start to turn the forward stages of the engine. Once there is enough airflow through the engine, and the fuel is igniting, there is enough energy to continue running itself.
After start
Once the engine is running, the VFSGs stop acting as starter motors and revert to acting as generators. As these generators are the preferred power source, they automatically take over the running of the electrical systems from the APU, which can then be switched off. The aircraft is now in the desired configuration for flight, with the 4 VFSGs in both engines providing all the power the aircraft needs.
As the aircraft moves away towards the runway, another electrically powered system is used — the brakes. On other aircraft types, the brakes are powered by the hydraulics system. This requires extra pipe work and the associated weight that goes with that. Hydraulically powered brake units can also be time consuming to replace.
By having electric brakes, the 787 is able to reduce the weight of the hydraulics system and it also makes it easier to change brake units. “Plug in and play” brakes are far quicker to change, keeping maintenance costs down and reducing flight delays.
In-flight
Another system which is powered electrically on the 787 is the anti-ice system. As aircraft fly though clouds in cold temperatures, ice can build up along the leading edge of the wing. As this reduces the efficiency of the the wing, we need to get rid of this.
Other aircraft types use hot air from the engines to melt it. On the 787, we have electrically powered pads along the leading edge which heat up to melt the ice.
Not only does this keep more power in the engines, but it also reduces the drag created as the hot air leaves the structure of the wing. A double win for fuel savings.
Once on the ground at the destination, it’s time to start thinking about the electrical configuration again. As we make our way to the gate, we start the APU in preparation for the engine shut down. However, because the engine generators have a high priority than the APU generators, the APU does not automatically take over. Instead, an indication on the EICAS shows APU RUNNING, to inform us that the APU is ready to take the electrical load.
Shutdown
With the park brake set, it’s time to shut the engines down. A final check that the APU is indeed running is made before moving the engine control switches to shut off. Plunging the cabin into darkness isn’t a smooth move. As the engines are shut down, the APU automatically takes over the power supply for the aircraft. Once the ground staff have connected the external power, we then have the option to also shut down the APU.
However, before doing this, we consider the cabin environment. If there is no PCA available and it’s hot outside, without the APU the cabin temperature will rise pretty quickly. In situations like this we’ll wait until all the passengers are off the aircraft until we shut down the APU.
Once on external power, the full flight cycle is complete. The aircraft can now be cleaned and catered, ready for the next crew to take over.
Bottom line
Electricity is a fundamental part of operating the 787. Even when there are no passengers on board, some power is required to keep the systems running, ready for the arrival of the next crew. As we prepare the aircraft for departure and start the engines, various methods of powering the aircraft are used.
The aircraft has six electrical generators, of which only four are used in normal flights. Should one fail, there are back-ups available. Should these back-ups fail, there are back-ups for the back-ups in the form of the battery. Should this back-up fail, there is yet another layer of contingency in the form of the RAT. A highly unlikely event.
The 787 was built around improving efficiency and lowering carbon emissions whilst ensuring unrivalled levels safety, and, in the wider energy landscape, perspectives like nuclear beyond electricity highlight complementary paths to decarbonization — a mission it’s able to achieve on hundreds of flights every single day.
Alberta Renewable Energy Market is accelerating as wind and solar prices fall, corporate PPAs expand, and a deregulated, energy-only system, AESO outlooks, and TIER policy drive investment across the province.
Key Points
An open, energy-only Alberta market where wind and solar growth is driven by corporate PPAs, AESO outlooks, and TIER.
✅ Corporate PPAs lower costs and hedge power price risk
✅ AESO forecasts and TIER policy support renewables
By Chris Varcoe, Calgary Herald
A few things are abundantly clear about the state of renewable energy in Alberta today.
First, the demise of Alberta’s Renewable Electricity Program (REP) under the UCP government isn’t going to see new projects come to a screeching halt.
In fact, new developments are already going ahead.
And industry experts believe private-sector companies that increasingly want to purchase wind or solar power are going to become a driving force behind even more projects in Alberta.
BluEarth Renewables CEO Grant Arnold, who spoke Wednesday at the Canadian Wind Energy Association conference, pointed out the sector is poised to keep building in the province, even with the end of the REP program that helped kick-start projects and triggered low power prices.
“The fundamentals here are, I think, quite fantastic — strong resource, which leads to really competitive wind prices . . . it’s now the cheapest form of new energy in the province,” he told the audience.
“Alberta is in a fundamentally good place to grow the wind power market.”
Unlike other provinces, Alberta has an open, deregulated marketplace, which create opportunities for private-sector investment and renewable power developers as well.
The recent decision by the Kenney government to stick with the energy-only market, instead of shifting to a capacity market, is seen as positive for Alberta's energy future by renewable electricity developers.
There is also increasing interest from corporations to buy wind and solar power from generators — a trend that has taken off in the United States with players such as Google, General Motors and Amazon — and that push is now emerging in Canada.
“It’s been really important in the U.S. for unlocking a lot of renewable energy development,” said Sara Hastings-Simon, founding director of the Business Renewable Centre Canada, which seeks to help corporate buyers source renewable energy directly from project developers.
“You have some companies where . . . it’s what their investors and customers are demanding. I think we will see in Alberta customers who see this as a good way to meet their carbon compliance requirements.
“And the third motivation to do it is you can get the power at a good price.”
Just last month, Perimeter Solar signed an agreement with TC Energy to supply the Calgary-based firm with 74 megawatts from its solar project near Claresholm.
More deals in the industry are being discussed, and it’s expected this shift will drive other projects forward.
There is increasing interest from corporations to buy solar and wind energy directly from generators.
“The single-biggest change has been the price of wind and solar,” Arnold said in an interview.
“Alberta looks really, really bright right now because we have an open market. All other provinces, for regulatory reasons, we can’t have this (deal) . . . between a generator and a corporate buyer of power. So Alberta has a great advantage there.”
These forces are emerging as the renewable energy industry has seen dramatic change in recent years in Alberta, with costs dropping and an array of wind and solar developments moving ahead, even as solar expansion faces challenges in the province.
The former NDP government had an aggressive target to see green energy sources make up 30 per cent of all electricity generation by 2030.
Last week, the Alberta Electric System Operator put out its long-term outlook, with its base-case scenario projecting moderate demand growth for power over the next two decades. However, the expected load growth — expanding by an average of 0.9 per cent annually until 2039 — is only half the rate seen in the past 20 years.
Natural gas will become the main generation source in the province as coal-fired power (now comprising more than one-third of generation) is phased out.
Renewable projects initiated under the former NDP government’s REP program will come online in the near term, while “additional unsubsidized renewable generation is expected to develop through competitive market mechanisms and support from corporate power purchase agreements,” the report states.
AESO forecasts installed generation capacity for renewables will almost double to about 19 per cent by 2030, with wind and solar increasing to 21 per cent by 2039.
Another key policy issue for the sector will likely come within the next few weeks when the provincial government introduces details of its new Technology Innovation and Emissions Reduction program (TIER).
The initiative will require large industrial emitters to reduce greenhouse gas emissions to a benchmark level, pay into the technology fund, or buy offsets or credits. The carbon price is expected to be around $20 to $30 a tonne, and the system will kick in on Jan. 1, 2020.
Industry players point out the decision to stick with Alberta’s energy-only market along with the details surrounding TIER, and a focus by government on reducing red tape, should all help the sector attract investment.
“It is pretty clear there is a path forward for renewables here in the province,” said Evan Wilson, regional director with the Canadian Wind Energy Association.
All of these factors are propelling the wind and solar sector forward in the province, at the same time the oil and gas sector faces challenges to grow.
But it doesn’t have to be an either/or choice for the province moving forward. We’re going to need many forms of energy in the coming decades, and Alberta is an energy powerhouse, with potential to develop more wind and solar, as well as oil and natural gas resources.
“What we see sometimes is the politics and discussion around renewables or oil becomes a deliberate attempt to polarize people,” Arnold added.
“What we are trying to show, in working in Alberta on renewable projects, is it doesn’t have to be polarizing. There are a lot of solutions.
“The combination of solutions is part of what we need to talk about.”
Scotland Wind Energy delivered record renewable power as wind turbines and farms generated 9,831,320 MWh in H1 2019, supplying clean electricity for every home twice and supporting northern England, according to WWF data.
Key Points
Term for Scotland's wind power output, highlighting 2019 records, clean electricity, and progress on decarbonization.
✅ 9,831,320 MWh generated Jan-Jun 2019 by wind farms
✅ Enough to power 4.47 million homes twice in that period
✅ Advances decarbonization and 2030 renewables, 2050 net-zero goals
Wind turbines in Scotland produced enough electricity in the first half of 2019, reflecting periods when wind led the power mix across the UK, to power every home in the country twice over, according to new data by the analytics group WeatherEnergy. The wind farms generated 9,831,320 megawatt-hours between January and June, as the UK set a wind generation record in comparable periods, equal to the total electricity consumption of 4.47 million homes during that same period.
The electricity generated by wind in early 2019 is enough to power all of Scotland’s homes, as well as a large portion of northern England’s, highlighting how wind and solar exceeded nuclear in the UK in recent milestones as well, and events such as record UK output during Storm Malik underscore this capacity.
“These are amazing figures,” Robin Parker, climate and energy policy manager at WWF, which highlighted the new data, said in a statement. “Scotland’s wind energy revolution is clearly continuing to power ahead, as wind became the UK’s main electricity source in a recent first. Up and down the country, we are all benefitting from cleaner energy and so is the climate.”
Scotland currently has a target of generating half its electricity from renewables by 2030, a goal buoyed by milestones like more UK electricity from wind than coal in 2016, and decarbonizing its energy system almost entirely by 2050. Experts say the latest wind energy data shows the country could reach its goal far sooner than originally anticipated, especially with complementary technologies such as tidal power in Scottish waters gaining traction.
India Renewable Energy Surge 2024 signals coal's decline as solar and wind capacity soar, aided by policy incentives, grid upgrades, energy storage, and falling costs, accelerating decarbonization and clean power growth.
Key Points
Q1 2024 saw renewables outpace coal in new capacity, led by cheaper solar, wind, policy support, and storage.
✅ 71.5% of new Q1 capacity came from renewables
✅ Solar and wind expand on falling costs and faster permitting
✅ Grid integration needs storage, skills, and just transition
In a landmark shift for the world's second-most populous nation, coal has finally been dethroned as the king of India's energy supply. The first quarter of 2024 saw a historic surge in renewable energy capacity, particularly on-grid solar development across states, pushing its share of power generation past 71.5%. This remarkable feat marks a turning point in India's journey towards a cleaner and more sustainable energy future.
For decades, coal has been the backbone of India's power sector, fueling rapid economic growth but also leading to concerning levels of air pollution. However, a confluence of factors has driven this dramatic shift, even as coal generation surges create short-term fluctuations in the mix. Firstly, the cost of solar and wind power has plummeted in recent years, making them increasingly competitive with coal. Secondly, the Indian government has set ambitious renewable energy targets, aiming for 50% of cumulative power generation capacity from non-fossil fuel sources by 2030. Thirdly, growing public awareness about the environmental impact of coal has spurred a demand for cleaner alternatives.
This surge in renewables is not just about replacing coal. The first quarter of 2024 witnessed a record-breaking addition of 13,669 megawatts (MW) of power generation capacity, with renewables accounting for a staggering 71.5% of that figure, aligning with 30% global renewable electricity milestones seen worldwide. This rapid expansion is driven by factors like falling equipment costs, streamlined permitting processes, and attractive government incentives. Solar and wind energy are leading the charge, and in other major markets renewables are projected to reach one-fourth of U.S. generation in the near term, with large-scale solar farms and wind turbine installations dotting the Indian landscape.
The transition away from coal presents both opportunities and challenges. On the positive side, cleaner air will lead to significant health benefits for millions of Indians. Additionally, India can establish itself as a global leader in the renewable energy sector, attracting investments and creating new jobs, echoing how China's solar PV expansion reshaped markets in the previous decade. However, challenges remain. Integrating such a large amount of variable renewable energy sources like solar and wind into the grid requires robust energy storage solutions. Furthermore, millions of jobs in the coal sector need to be transitioned to new opportunities in the green economy.
Despite these challenges, India's move towards renewables is a significant development with global implications, as U.S. renewable electricity surpassed coal in 2022, underscoring broader momentum. It demonstrates the growing viability of clean energy solutions and paves the way for other developing nations to follow suit. India's success story can inspire a global shift towards a more sustainable energy future, one powered by the sun, wind, and other renewable resources.
Looking ahead, continued government support, technological advancements, and innovative financing mechanisms will be crucial for sustaining India's renewable energy momentum. The future of India's energy sector is undoubtedly bright, fueled by the clean and abundant power of the sun and the wind, as wind and solar surpassed coal in the U.S. in recent comparisons. The world will be watching closely to see if India can successfully navigate this energy transition, setting an example for other nations struggling to balance development with environmental responsibility.
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