Monday, December 11, 2023

Megawatt charging might outshine hydrogen in semis, says report


Shazan Siddiqi is a Senior Know-how Analyst with market intelligence agency IDTechEx.

By Shazan Siddiqi

What’s the Megawatt Charging System (MCS)?
A brand new high-power charging answer is required to satisfy the market want of the truck and bus {industry} to cost electrical heavy-duty autos in a suitable period of time. In consequence, the Megawatt Charging System (MCS), a charging system for big battery electrical autos, is now being developed. The MCS is able to charging at a most charge of three.75 megawatts (3,000 amps at 1,250 volts DC), which is the best charge. MCS is predicted to allow quick and environment friendly charging not just for vehicles, but in addition for marine vessels, aeronautics, and mining. The ultimate publication of the usual and industrial rollout is predicted in 2024.

MCS specs and comparability with CCS. Notice: the above values are documented as doable however will not be carried out in typical installations (supply: IDTechEx).

Significance and use case of MCS
The elevated cost charge supplied by MCS will permit prospects to drive extra distance per day by using the mandated break time from the hours-of-service rules. These rules state that drivers should often take a break throughout their drive cycle. For instance, the European Union requires 45 minutes of break after each 4.5 hours of driving; the USA mandates half-hour after 8 hours. It’s effectively understood that decreasing charging occasions to suit into regular breaks within the responsibility cycle is an enabler for improved electrification for industrial autos and long-distance haulage. Nevertheless, not each industrial fleet proprietor would require MCS as some might discover that slower, in a single day charging at depots suits their responsibility cycles greatest. Web site design will optimize for the bottom energy answer that meets use case necessities. The current report from IDTechEx finds that Stage 2 AC chargers present adequate energy to recharge gentle and medium-duty autos in a single day, however bigger battery capability long-haul vehicles would require DC quick charging. MCS is greatest suited to allow speedy charging of batteries when they’re working out of vary of their dwelling base; in different phrases, a BEV model of a stop-and-fill forecourt.

Challenges in implementing MCS
MCS is designed for a 6-fold larger present and as much as 10-fold larger energy in comparison with CCS. Commercializing chargers with rated energy of 1 MW would require important funding, as stations with such high-power wants will incur important set up and grid improve prices. The necessity for on-site power storage and solar-supplemented options can be emphasised to cut back demand expenses.

Fleet operators and OEMs should work along with utility suppliers to make sure correct capability for this new expertise is in place. Moreover, truck OEMs don’t manufacture their very own packs however purchase them from third events, so they should be sure that the voltage necessities meet the specs of MCS, in addition to the battery density and the spacing between the cells. They have to design for the cooling elements, totally different connectors, and the battery administration system. All of those modifications contribute to the fee. Infrastructure deployment can be one other limiting consider MCS, as securing giant grid connections can take as much as 5 years. IDTechEx analysis finds that MCS infrastructure must be in place between 2025 and 2030 to help the long-haul electrical vehicles coming into the market.

Challenges in implementing MCS (supply: IDTechEx report “Charging Infrastructure for Electrical Autos and Fleets 2024-2034”).

MCS participant panorama
Bringing MCS to market is a cross-industry effort with varied gamers alongside the worth chain. IDTechEx analysis finds that main EVSE {hardware} suppliers at the moment are growing their very own megawatt-capable charging stations. Element suppliers like cable and connector producers are following swimsuit and designing merchandise that may help MCS specs.

Megawatt charging participant panorama. Lists should not exhaustive (supply: IDTechEx report “Charging Infrastructure for Electrical Autos and Fleets 2024-2034”).

It was anticipated that the Tesla Semi would use the MCS connector. Nevertheless, based on the Government Director of CharIN, Tesla is just not utilizing the MCS connector. The primary Tesla Semis within the US are as a substitute utilizing a devoted, proprietary connector, which IDTechEx speculates is an earlier model of MCS. The Megacharger from Tesla makes use of an immersion-cooled thicker cable than their newly launched V4 Superchargers to deal with the excessive amperage required for multi-megawatt hundreds.

Non-Tesla electrical vehicles will probably make the most of MCS solely or a mix of each MCS and CCS expertise. In July 2022, a three way partnership between Daimler Truck, TRATON GROUP, and the Volvo Group referred to as Milence was fashioned, aiming to deploy 1,700 DC public cost factors (together with CCS and MCS) in Europe by 2027. IDTechEx forecasts that DC chargers able to MW charging will exhibit a CAGR of 43% within the coming decade, with extra granular energy class cut up forecasts obtainable in “Charging Infrastructure for Electrical Autos and Fleets 2024-2034”.

Can MCS put the nail within the coffin for hydrogen?
The truth that companies who’ve supported MCS, like Daimler Vans, at the moment are additionally investing in hydrogen fuelling is perplexing to many. A dual-track technique is being pursued within the electrification of its portfolio, with each battery-electric and hydrogen-based drivetrains being developed. Nevertheless, IDTechEx analysis finds that the adoption of MCS for electrical vehicles can probably cut back the necessity for hydrogen gasoline cell vehicles for a number of causes.

MCS can obtain a excessive charging effectivity, which implies that a big portion of the electrical energy fed into the car’s batteries is transformed into usable power, minimizing waste. In distinction, hydrogen manufacturing, transportation, and conversion in gasoline cell vehicles contain a number of power conversion steps, resulting in larger power losses. Furthermore, hydrogen fuelling infrastructure is advanced and expensive to ascertain, requiring devoted hydrogen manufacturing, storage, and distribution services. MCS also can draw energy from varied sources, together with renewable power equivalent to wind, photo voltaic, and hydropower. This flexibility permits for a cleaner and extra sustainable power combine as in comparison with hydrogen manufacturing, which frequently depends on fossil fuels.

Lastly, IDTechEx analysis additionally finds that the present excessive worth of hydrogen considerably impacts gasoline cell vehicles’ whole price of possession (TCO) and fleets’ willingness to undertake this expertise. MCS would be the issue that pushes electrical to be the primary alternative for vehicles. The IDTechEx report on the EV charging market features a detailed protection of megawatt charging that can help the deployment of electrical vehicles to markets globally.

For extra info on this report, go to


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