Electric Bus Fleet Operator Risk Profile India 2026: PM-eBus Sewa, CESL Tenders, and Depot Fire Exposure

Indian electric bus deployment has accelerated materially through 2023 to 2026 driven by three converging policy and procurement initiatives. The cumulative electric bus fleet has grown from approximately 3,500 buses in mid-2023 to approximately 12,500 buses by early 2026, with announced orders and tender awards adding a further 25,000 to 30,000 buses through the 2026 to 2028 horizon.

The PM-eBus Sewa scheme approved by the Union Cabinet in August 2023 with a budget outlay of INR 57,613 crore targets deployment of 10,000 electric buses across 169 cities through 2028. The scheme operates on the Gross Cost Contract (GCC) model with the bus operator providing buses, drivers, and operational responsibility against per-kilometre payment from the State Transport Undertaking (STU). The Central Government provides a viability gap funding (VGF) support to the STU for the per-kilometre payment, with the scheme structure designed to make electric buses operationally attractive against diesel alternatives.

Convergence Energy Services Limited (CESL), the joint venture of EESL and PFC, has emerged as the dominant aggregator running tenders for state transport undertakings. CESL's tender model aggregates bus demand across multiple STUs and conducts unified procurement, allowing manufacturers and operators to bid for larger volumes with consequent pricing efficiency. The CESL Grand Challenge tenders through 2022 to 2025 awarded contracts for approximately 15,000 buses across multiple cities, with the awards distributed across the major operator-manufacturer combinations.

The operator universe for Indian electric buses in 2026 spans:

Tata Motors with Tata Marcopolo and Starbus EV models. Tata Motors has been a major participant in CESL tenders with deployments across Lucknow, Jaipur, Kolkata, Chennai, Indore, and other cities. The integrated OEM-operator model under TML Smart City Mobility Solutions.

JBM Auto with the Galaxy and EcoLife platforms. JBM has deployed buses across Delhi, Ahmedabad, Mumbai, and other cities through CESL and direct STU tenders.

Olectra Greentech (Megha Engineering group). Olectra has been one of the largest deployers with buses in Mumbai, Hyderabad, Pune, Goa, and Surat through STU contracts. The technology partnership with BYD provides platform commonality.

BYD India and PMI Electro. The BYD-Goldstone partnership and PMI Electro have deployed buses across multiple cities including the early STU electric bus contracts in Hyderabad and Bengaluru.

Switch Mobility (Ashok Leyland subsidiary). Switch has deployed buses across the United Kingdom and Indian markets with India deployments including Kolkata, Delhi, and Chennai.

Ashok Leyland directly with the Circuit Series. The integrated OEM operator deployments include several major STU contracts.

BluSmart with electric fleet operations (primarily ride-hailing rather than STU buses but operating in the broader EV fleet space).

Lithium Urban Technologies (corporate employee transport with electric fleet, distinct from STU operations but in the broader operator universe).

The Gross Cost Contract operator model is the dominant procurement structure. The operator (typically a special purpose vehicle of the manufacturer or an independent operator company) takes ownership of the buses, provides drivers, maintains the buses and charging infrastructure, and operates the route per the STU's schedule. The STU pays a per-kilometre rate. The contracts typically run 10 to 12 years with provisions for performance penalties, contract termination triggers, and bus return obligations.

The insurance programme for an electric bus operator must address the layered exposures from motor liability and own damage, depot property and business interruption, charging infrastructure cover, battery thermal exposure, driver workers' compensation, the operator's professional liability for STU contract performance, and the cyber dimension of the integrated fleet management technology. This post walks through each component.

Battery thermal runaway is the single most material risk concern for Indian electric bus operators in 2026. The exposure pattern is documented through multiple incidents from 2023 to 2025 that have informed insurance underwriting calibration.

The thermal runaway risk pattern

Electric buses use lithium-ion battery packs typically in the 250 kWh to 500 kWh capacity range, with the major chemistries being lithium iron phosphate (LFP) and lithium nickel manganese cobalt (NMC). Thermal runaway can be initiated by:

1. Cell-level manufacturing defect with internal short circuit producing localised heat that propagates to adjacent cells.
2. Mechanical damage from collision, road impact, or bottom-strike that compromises the battery enclosure or individual cells.
3. Thermal stress from extended high-temperature operation, particularly in Indian summer conditions in cities like Delhi, Jaipur, and Hyderabad.
4. Overcharging or fast-charging stress from charging infrastructure malfunctions or battery management system failures.
5. Water ingress during flooding or pressure-wash cleaning, where the battery enclosure protection is compromised.

Once thermal runaway is initiated in one cell, the propagation across adjacent cells in a battery pack typically occurs over minutes to tens of minutes, with the bus typically fully engulfed in fire within 15 to 45 minutes from initial detection. The fires produce toxic and corrosive smoke including hydrogen fluoride and require specialised firefighting response that conventional fire-fighting equipment may not effectively deliver.

Documented incidents through 2023 to 2025

Indian electric bus fire incidents have been reported across multiple cities through 2023 to 2025. The reported events include depot fires at operator facilities, on-route fires during operation, and charging-related fires at depot charging stations. Specific events have produced individual bus losses ranging from INR 1.2 crore to INR 3.5 crore per bus and cumulative annual loss frequency at fleet level that insurers have used to calibrate the 2024 to 2026 underwriting.

The depot fire scenario is the worst-case exposure. Where a single battery thermal runaway propagates across multiple buses parked at a depot, the cumulative loss can run INR 25 crore to INR 100 crore for a 25-bus depot incident, with consequent business interruption to the operator's STU service obligations.

Risk mitigation practices affecting insurance treatment

Battery management system sophistication. Active monitoring of individual cell voltages and temperatures with thermal runaway prediction algorithms. Modern OEM platforms provide remote monitoring with intervention capability.

Battery enclosure protection. The IP rating, the underbody protection design, and the impact resistance of the battery enclosure affect thermal runaway initiation risk from mechanical events.

Depot parking discipline. Inter-bus spacing at the depot, fire-resistant barriers between bus rows, and dedicated parking layout for charging buses materially affect the depot fire scenario severity.

Suppression and detection at depot. Fire detection systems specific to battery thermal runaway (including off-gas detection that precedes visible flame by several minutes), automated suppression systems calibrated for Li-ion fires, and trained personnel response.

Charging infrastructure quality. The charger output quality, the charger-battery communication, and the protection systems all affect thermal stress on the battery during charging.

Battery chemistry selection. LFP has substantially lower thermal runaway risk than NMC, with consequent insurance treatment differential.

Insurance treatment in 2026

Motor own damage cover for electric buses includes battery damage as part of the integrated vehicle. The cover responds to fire from any cause including thermal runaway, with full payout of insured declared value (IDV) for total loss events. The cover structure has not materially excluded thermal runaway events.

However, the underwriting tightening through 2024 to 2026 has manifested in:

1. Premium loading for high-volume electric bus fleets, with loading 15 to 35 percent above conventional commercial bus motor rates depending on chemistry, depot layout, and operator track record.
2. Higher deductibles typically INR 50,000 to INR 2 lakh per claim depending on bus value.
3. Sub-limits on depot accumulation, where the cover limits the aggregate payout for buses lost in a single depot incident.
4. Risk engineering requirements including depot design review and operational practice verification before cover incepts.
5. Battery health monitoring requirements with periodic battery health certification from the OEM or qualified third party.

The depot charging infrastructure represents a distinct property and business interruption exposure beyond the bus motor cover. The depot includes the charging stations (typically 60 kW to 240 kW DC fast chargers, with 30 to 50 chargers at a major depot), the electrical infrastructure (transformer, switchgear, distribution panels), the parking area (covered or uncovered), the maintenance bay and tools, the driver and staff facilities, and the operational technology systems.

Property exposure categories

The property exposures at an electric bus depot include:

1. Charging equipment damage from electrical fault, fire, vandalism, or natural perils. Modern DC fast chargers cost INR 8 lakh to INR 25 lakh per unit depending on capacity and integration features.
2. Electrical infrastructure damage from short circuit, lightning, equipment failure, or fire propagation. The transformer and switchgear infrastructure for a 50-bus depot typically runs INR 5 crore to INR 15 crore including civil works.
3. Building and shed structures providing covered parking, maintenance bays, and operational facilities. Depot building value typically INR 3 crore to INR 20 crore depending on size and standard.
4. Maintenance equipment and tools including diagnostic equipment, lifting equipment, and specialised EV maintenance tools.
5. Operational technology including fleet management systems, charging management systems, and the related computing infrastructure.

Business interruption exposure

A depot fire affecting charging capability has cascading business interruption impact:

1. Immediate route disruption as buses cannot be charged for the next day's operations.
2. STU contract penalties under the GCC contract for route service shortfalls, typically calculated as percentage deduction from per-kilometre payment for missed services.
3. Alternative arrangements including temporary charging at other depots, hired buses for service continuity, and operational overhead during restoration.
4. Restoration period which can run 30 to 180 days depending on damage extent and equipment availability for replacement.

The business interruption cover for an electric bus depot must address the STU contract penalty pass-through, the alternative arrangement cost, and the revenue loss during restoration. The BI calculation requires careful structuring given that the GCC contract structure means revenue is per-kilometre rather than fixed monthly, with consequent BI calculation following actual operational disruption.

Insurance structure

The depot property cover typically includes:

• Fire policy with extensions for the building and contents.
• STFI (storm-tempest-flood-inundation) cover essential for depots in flood-prone urban locations.
• Earthquake cover based on the seismic zone.
• Terrorism cover through the Indian Terrorism Pool.
• Burglary cover for the equipment and tools.
• Machinery breakdown cover for the electrical infrastructure including transformers and chargers.
• Electronic equipment cover for the OT and IT infrastructure.
• Business interruption cover with the indemnity period typically 12 to 18 months and structured for the GCC contract revenue model.

The major insurer products for depot covers include Tata AIG's electric bus depot package, HDFC ERGO's commercial fleet depot product, ICICI Lombard's integrated fleet and depot programme, Bajaj Allianz's electric vehicle commercial package, and the broader engineering insurance product range from major insurers covering the electrical infrastructure dimensions.

Pricing benchmarks

Depot property cover pricing in 2026 reflects the specific exposures.

Fire and STFI cover typically 0.20 percent to 0.45 percent of sum insured for organised depots with fire safety standards.

Machinery breakdown cover for electrical infrastructure typically 0.30 percent to 0.60 percent of equipment value.

Business interruption cover varies by indemnity period and revenue structure with premium typically 15 to 35 percent of property premium.

The combined depot programme premium for a 50-bus depot with INR 30 crore to INR 50 crore depot sum insured typically runs INR 12 lakh to INR 28 lakh annually depending on location, design, and operational practice.

Motor third-party liability for electric buses follows the general framework under the Motor Vehicles Act 1988 with the Motor Vehicles (Amendment) Act 2019 amendments. The IRDAI Motor Third Party Reform circular and the broader motor insurance framework determine the specific cover requirements and pricing structure.

Statutory third-party cover requirements

Motor third-party cover for buses is statutorily mandatory with unlimited liability for death and injury claims. The cover responds to claims by passengers, pedestrians, and other third parties for bodily injury and property damage arising from bus operation.

For STU-operated services where the bus operates on a regular passenger route, the passenger liability dimension is particularly material. A major accident with multiple passenger casualties can produce aggregate claim value running INR 5 crore to INR 25 crore depending on the casualty profile and the compensation calculation under Motor Accident Claims Tribunal (MACT) practice.

The STU contractual risk allocation

The GCC contract typically allocates risk between the STU and the operator. Standard contractual provisions include:

1. Operator's responsibility for vehicle insurance covering motor liability, motor own damage, and the related covers.
2. STU's responsibility for route safety, traffic management, and certain regulatory dimensions.
3. Shared responsibility for specific events including third-party liability beyond statutory minimums, with the allocation following the contract terms.
4. Indemnification structure with the operator typically indemnifying the STU for claims arising from operator conduct and the STU indemnifying the operator for claims arising from STU conduct or instructions.

The insurance programme for the operator must align with the contractual allocation. Specific structures include:

• Composite cover for motor liability with extended limits above statutory minimum.
• Passenger liability extension to address the specific exposure of regular passenger transport.
• STU indemnification cover structured as a contractual liability cover responding to claims where the operator owes indemnification to the STU.
• Contingent liability cover for claims passing through from the STU to the operator under the contractual structure.

Motor own damage and total loss treatment

Motor own damage cover for electric buses is structured similarly to conventional commercial buses with adjustments for the electric specific dimensions. The cover responds to fire, theft, accident damage, natural perils, and other named perils typically with the option of full own-damage cover.

The insured declared value (IDV) calculation for electric buses is more sensitive than for diesel buses given the substantial battery value within the bus. Battery replacement cost for a major electric bus battery pack runs INR 25 lakh to INR 80 lakh depending on capacity and chemistry. The IDV must reflect the full replacement value of the bus including the battery.

The total loss treatment for electric buses includes specific considerations. Battery damage from accident or thermal events can produce total loss treatment even where the chassis and body are recoverable, given the cost and complexity of battery replacement. Insurers' total loss thresholds and the salvage treatment differ for electric buses against diesel equivalents.

Pricing benchmarks for electric bus motor cover

Motor cover pricing for 2026 electric buses reflects the cumulative claim experience and the underwriting calibration.

Motor third-party (statutory). Standard rates per the IRDAI annual notification, with rates typically running INR 25,000 to INR 45,000 per bus annually for STU passenger operations depending on engine capacity classification and the route profile.

Motor own damage. Premium typically 2.5 percent to 4.5 percent of IDV for fleet operations with structured maintenance and depot discipline. The range reflects bus age, fleet size, claim history, and the operator's risk management practice.

Combined motor cover for an electric bus typically runs INR 1.2 lakh to INR 3.5 lakh per bus annually depending on the specific bus value, route, and operator profile.

Fleet discount and aggregation pricing is available for operators with 25+ buses, with discounts typically 5 to 20 percent below standalone vehicle pricing reflecting the operator's risk management capability and the underwriting efficiency of fleet placement.

Driver-related risk is a meaningful exposure for electric bus operators given the workforce scale (typically 1.8 to 2.2 drivers per bus for two-shift operations) and the specific operational dimensions of electric bus driving.

Driver workforce characteristics

A major STU operator with 1,000 buses employs 1,800 to 2,200 drivers plus depot staff, maintenance personnel, and operational supervisors. The driver workforce is the largest single workforce category by headcount and the primary operational interface with passengers, traffic, and the safety profile of the operations.

Driver risk includes:

1. Workplace accidents during normal duty including slip and fall at depot, accidents during pre-start checks, accidents during maintenance involvement.
2. On-route accidents including injury during bus accidents, exposure to road traffic hazards during break activities, weather-related exposures.
3. Health and disability including the cumulative impact of long-duration driving, vibration exposure, and the irregular shift patterns characteristic of STU operations.
4. Mental health and stress dimensions which have received increasing attention through 2024 to 2026.

Workers' compensation insurance

The Employees' Compensation Act 1923 mandates compensation cover for workplace accidents and occupational diseases. The Act covers all workers in scheduled employments with compensation calculated by reference to age, wage, and disability extent.

Workers' compensation insurance for STU operators typically includes:

• Employees' compensation policy covering the statutory liability under the 1923 Act.
• Employer's liability extension covering common law claims by employees against the employer where statutory cover is inadequate.
• Workmen's medical expenses extension covering medical treatment cost beyond the statutory framework.
• Death and disability extension providing additional benefits for catastrophic injury or death.

Group personal accident and health

Operators typically supplement workers' compensation with:

• Group personal accident providing accidental death and disability cover with capital sums typically INR 25 lakh to INR 1 crore per driver depending on operator standard.
• Group medical insurance providing hospitalisation cover for drivers and dependents.
• Critical illness cover for catastrophic illness events.

Driver risk management practices

Operators have progressively invested in driver risk management including:

1. Telematics deployment providing visibility into driver behaviour with speed, harsh braking, harsh acceleration, and route adherence metrics.
2. Driver training programmes including initial certification for electric bus operations and refresher training.
3. Health and wellness programmes including periodic medical check-ups and wellness initiatives.
4. Fatigue management through structured shift scheduling and rest break compliance monitoring.

The risk management investment affects the insurance treatment with operators demonstrating structured driver risk management typically obtaining 8 to 18 percent premium reduction on the personal accident and medical covers.

Combined people cost

The combined people insurance cost (workers' compensation, group personal accident, group medical) for a major electric bus operator typically runs INR 6,000 to INR 18,000 per driver annually depending on the cover levels and the operator's specific risk profile. For a 2,000-driver operation, the annual people insurance budget typically runs INR 1.2 crore to INR 3.6 crore as a meaningful but manageable component of the overall insurance programme.

Modern electric bus operations involve substantial connected technology that creates cyber exposure beyond conventional fleet operations. The technology stack includes the bus telematics, the fleet management system, the charging management system, the passenger ticketing and information systems, the workshop and maintenance systems, and the operational data warehousing.

Cyber exposure pattern

The cyber exposure for an electric bus operator spans:

1. Operational disruption from attacks on the fleet management or charging management systems with consequent inability to operate the scheduled service.
2. Vehicle compromise from attacks on the bus telematics or control systems with potential safety and operational implications.
3. Data security for the substantial personal data of drivers, passengers (where ticketing systems collect data), and operational staff.
4. Financial fraud through compromise of ticketing payment systems or operational payment workflows.
5. STU contract compliance where operational disruption from cyber events triggers contract penalty provisions.

Specific incidents and patterns

Documented cyber incidents affecting Indian transport fleets through 2023 to 2025 include ransomware on fleet management systems producing multi-day operational disruption, charging management system compromise affecting depot operations, payment system compromise at ticketing infrastructure, and broader IT environment compromise affecting back-office operations.

The pattern has progressively moved cyber from a peripheral concern to a structural insurance consideration for major operators.

CERT-In directive and DPDP Act compliance

The CERT-In April 2022 directive requires 6-hour incident reporting and log retention obligations for incidents affecting CII (critical information infrastructure) and significant ICT events. Electric bus fleet operators with substantial connected infrastructure typically fall within the scope.

The Digital Personal Data Protection Act 2023 implementation through 2025 to 2026 has added specific requirements for personal data protection including consent, breach notification with 72-hour timeline (under draft rules), and the broader data protection framework.

Cyber insurance structure

Cyber insurance for electric bus operators typically includes:

• First-party cover for the operator's own losses including business interruption, restoration cost, ransom payment (where covered), and crisis management.
• Third-party cover for liability to passengers, drivers, and other third parties for data breach.
• Regulatory and notification cover for CERT-In and DPDP Act notification obligations and consequent enforcement exposure.
• System failure cover addressing operational disruption from non-malicious system failures.

Cyber programme limits for major electric bus operators typically run INR 50 crore to INR 200 crore depending on the fleet size, the connected infrastructure scale, and the data inventory.

Premium benchmarks

Cyber insurance premium for electric bus operators typically runs 0.5 percent to 1.5 percent of cover limit annually for organised operators with structured cyber security practices. For a 1,000-bus operation with INR 100 crore cyber cover, the annual premium runs INR 50 lakh to INR 1.5 crore depending on the security posture and the specific cover structure.

The 2026 Indian electric bus insurance programme has consolidated around recognisable structures and per-bus premium benchmarks. The benchmarks support both operators evaluating insurance budgets and STUs evaluating GCC contract cost structures.

Programme structure

A major electric bus operator's insurance programme typically includes:

1. Motor third-party (statutory) cover for each bus.
2. Motor own damage cover for each bus.
3. Depot property cover for each depot location including building, contents, equipment, and charging infrastructure.
4. Depot business interruption cover addressing the STU contract revenue and penalty structure.
5. Workers' compensation and employer's liability for the workforce.
6. Group personal accident and group medical for the workforce supplementing workers' compensation.
7. Cyber and technology cover for the connected infrastructure.
8. Professional liability addressing the operator's STU contract performance and the specific professional dimensions.
9. Public liability for the depot operations and general third-party exposure.

Per-bus annual premium benchmarks for 2026

The combined insurance cost per bus annually for a major operator with structured risk management and a 250+ bus fleet:

Motor third-party. INR 25,000 to INR 45,000 per bus.

Motor own damage. INR 95,000 to INR 2.85 lakh per bus for buses with INR 1.2 crore to INR 1.8 crore IDV, reflecting the 2.5 to 4.5 percent IDV pricing range.

Depot property allocation per bus. INR 12,000 to INR 28,000 per bus based on the depot programme cost distributed across the bus count at the depot.

Depot business interruption allocation per bus. INR 8,000 to INR 22,000 per bus.

People insurance allocation per bus. INR 12,000 to INR 36,000 per bus based on the driver to bus ratio and per-driver cost.

Cyber and technology allocation per bus. INR 5,000 to INR 15,000 per bus.

Other covers (professional, public liability) allocation. INR 8,000 to INR 20,000 per bus.

The total combined per-bus premium typically runs INR 1.65 lakh to INR 4.5 lakh per bus annually for a major operator with structured operations. For a 1,000-bus fleet, the annual insurance budget typically runs INR 16 crore to INR 45 crore as a meaningful operating cost component.

Pricing variation drivers

The wide range in benchmarks reflects several drivers:

• Bus IDV which varies substantially with bus capacity and specification.
• Battery chemistry with LFP-equipped buses obtaining better pricing than NMC.
• Operator track record with established operators demonstrating loss control obtaining better terms.
• Depot quality with organised depots with documented fire safety obtaining better property terms.
• Geographic deployment with cyclone exposure, flood exposure, and traffic profile affecting pricing.
• STU contract specifics with the GCC contract terms affecting the BI structure and the liability allocation.

Programme placement and renewal

The placement cycle for a major electric bus operator's insurance programme typically runs 8 to 14 weeks for first-time placement including broker engagement, market submission, risk engineering survey, and final terms. Annual renewal cycles typically complete in 4 to 6 weeks for stable operations.

The broker market for electric bus operators has developed specific capability with major brokers including JB Boda, Marsh, Aon, WTW, Howden, and the larger Indian brokers developing specialised teams for the segment. Broker capability with electric bus-specific underwriting access and STU contract familiarity materially affects programme outcomes.