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MAN eTGX bidirectional charging raises fleet energy-design questions

A SPIRIT-E trial demonstrated 350 kW truck-to-grid power export, prompting fleet buyers to assess battery, dwell-time and grid requirements.

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TL;DR — üç cümle

  • A SPIRIT-E trial exported up to 350 kW from a MAN eTGX with 480 kWh of usable energy to depot and public grids. (S1)
  • Project calculations identified average energy-cost savings of around 10% and savings up to 20% under optimal conditions. (S1)
  • Depot dwell time, annual mileage below 100,000 km and grid-connection capacity influence the economics. (S1)

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MAN eTGX bidirectional charging raises fleet energy-design questions — Industry Insights news briefEditorial cover for a Industry Insights brief. Power motif; headline "MAN eTGX bidirectional charging raises fleet energy-design questions". No reported key numbers on this brief, so no number strip is drawn. 1 cited source. Static cover (no animation).INDUSTRY INSIGHTS · NEWS BRIEFMAN eTGX bidirectional charging raisesfleet energy-design questionsXAIPART
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Reported by Charged EVs on . Summarized and analyzed by XAIPART Editorial.

What happened

The SPIRIT-E research project demonstrated that an electric truck can supply local or public electricity networks while also operating as a mobile energy store.S1 Technical University of Munich led the work with MAN Truck & Bus, Traton R&D and other partners, using a depot operated by Spedition Schmid in Regensburg, Germany.S1

Testing covered the MAN eTGX and mobile and stationary equipment supplied by SBRS, with the partners coordinating links among the vehicle, charger, operator software, site energy manager, electricity trader and grid operator.S1 The implementation used ISO 15118-20 for communication during charging and electricity discharge.S1

An eTGX with 480 kWh of usable battery energy exported electricity through a bidirectional DC charger at rates up to 350 kW, serving both the depot network and public grid.S1 The same truck also charged another vehicle from its battery in a vehicle-to-vehicle configuration.S1 A separate PowerBot test simulated purchasing electricity at lower prices and selling it at higher prices, while the Equigy platform demonstrated grid-balancing support.S1

The source says economics depend on duty cycles, mileage, dwell time, battery capacity, power prices, grid charges, local generation and grid-connection capacity.S1 Project calculations identified regular depot dwell and annual mileage below 100,000 km as favorable conditions, with average energy-cost savings around 10% and savings up to 20% under optimal conditions.S1 MAN Truck & Bus said it is working to bring the capability into series production and is developing customer consulting support.S1

MetricReported valueSource
Peak export power350 kWS1
Usable battery energy480 kWhS1
Favorable annual mileageBelow 100,000 kmS1
Average energy-cost savingsAround 10%S1
Maximum calculated savingsUp to 20%S1

Background timeline

  1. - Bidirectional charging testing began at Spedition Schmid's Regensburg depot.S1
  2. - The SPIRIT-E depot test period concluded.S1
  3. - Charged EVs reported the SPIRIT-E project results.S1

XAIPART take

Technical impact

Design engineers should treat grid export as a site-infrastructure requirement rather than a vehicle-only feature. Charger rating, battery availability, communication compatibility, control software and grid-operator interfaces must be validated together.S1 The demonstrated ISO 15118-20 implementation provides a communications reference, but fleet-specific cybersecurity, dispatch priority and backup-power requirements were not disclosed.

Market impact

For procurement teams, the relevant value is the combination of fleet operation and energy trading rather than a standalone battery product. Site connection capacity, tariff exposure, charger availability and the number of hours a truck remains parked can determine whether the modeled savings translate into a usable business case; the source did not disclose charger pricing or production lead times.S1

Action

Request a site-level feasibility study covering route duty cycles, depot dwell windows, charger architecture, software control and grid limits. Compare the calculated energy savings with added charging hardware, connection work and operational constraints before specifying bidirectional-capable vehicles.S1

XAIPART Forecast

XAIPART expects at least one commercially documented MAN eTGX bidirectional-charging deployment to report grid-export capability of 100 kW or more within 12 months; if no qualified deployment reports at least 100 kW in that period, this forecast is wrong.XAIPART analysis

Facts are as reported by the cited source. The design-in, sourcing and forward-looking statements above are XAIPART's analysis, not the source's claims. Series-production timing, pricing, charger lead times and deployment volumes remain unconfirmed in this single-source report.

Corrections: none at publication. This brief will be updated with a timestamp if the source corrects its report.

Dated developments, extracted from this page's timeline (curated milestones = hollow markers).
Timeline of dated developmentsDated entries: 2023-08-01 2023 - Bidirectional charging test…; 2026-10-01 2026 - The SPIRIT-E depot test per…; 2026-11-12 - Charged EVs reported the SPIRIT-….2023-08-012023 - Bidirectional charging test…2026-10-012026 - The SPIRIT-E depot test per…2026-11-12- Charged EVs reported the SPIRIT-…

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XAIPART expects at least one commercially documented MAN eTGX bidirectional-charging deployment to report grid-export capability of 100 kW or more within 12 months no qualified deployment reports at least 100 kW in that period within 12 months Pending

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Source: FRED · Generated · reference output z and composite are algorithm outputs, not a fetch snapshot

Cost pressure by dimension — composite stateDiverging bars for three dimensions around a zero midpoint. Input Cost has no reading; Supply Demand z 0.0276, neutral; Fx Energy z -0.0364, neutral. Composite index -0.1, band neutral.0Input costno readingSupply/demandz +0.0276 · neutral46 dFX & energyz −0.0364 · neutral5 dcomposite −0.1 · neutral−100 · −40 · −15 · 0 · +15 · +40 · +100
Underlying values — copyable for verification.
DimensionFRED series IDUnitLagAs of
Input costPCOPPUSDM, PALUMUSDM, PNICKUSDMUSD/mt52 d
Supply/demandPCU334413334413, IPG3344Sindex(1982=100) / index(2017=100)46 d
FX & energyDEXCHUS, DCOILBRENTEU, DHHNGSPrate / USD/bbl / USD/MMBtu5 d

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Kaynaklar

  1. MAN electric truck feeds 350 kW back to the grid in SPIRIT-E bidirectional charging project — https://chargedevs.com/newswire/man-electric-truck-feeds-350-kw-back-to-the-grid-in-spirit-e-bidirectional-charging-project/ · rss · erişildi

Fakatlar S1/S2 olarak işaretlenmiş ve bağlantılı kaynağa takip edilmiştir. İşaretlenmiş cümleler analiz XAIPART'ın kendi gerekçeleri, raporlanan gerçeklerden ayrı tutulur. Kaynak bağlantıları takip edilir. nofollow — atıf kasıtsızdır.