TA-9839 PAK: Preparing Urban Development Projects - Comprehensive Alternative Energy Solutions and Energy Optimization Feasibility Study (E-053129-001)

1. Project objective

Objective and Purpose of the Assignment

The Karachi BRT Red Line Project is being developed to provide a high-quality mass transit system for

Karachi, comprising the BRT corridor, stations, depots, electric bus operations, charging

infrastructure, Intelligent Transport Systems (ITS) and associated facilities.

The operation of the Red Line will require significant energy, particularly for electric bus charging

and the operation of depots, stations, and corridor infrastructure.

TransKarachi therefore, intends to

undertake a comprehensive feasibility study to identify technically feasible, financially viable, and

commercially sustainable options for minimizing the lifecycle energy cost

of the complete Karachi BRT Red Line system.

The Consultant shall be selected in accordance with the procurement framework applicable to the Project

and the ADB-approved Procurement Plan.

The objective of the assignment is to identify and recommend an optimal, reliable, cost-effective, and

sustainable energy supply and management strategy for the entire Karachi BRT Red Line system, including

its depots, stations, corridor infrastructure, and other suitable Project facilities.

The Consultant shall assess and compare potential energy solutions based on technical feasibility,

system reliability, lifecycle cost, financial and commercial viability, environmental sustainability,

implementation risks, scalability, and ease of implementation.

The assessment shall include, but not be

limited to:

i.

Solar photovoltaic (PV) and other renewable-energy options;

ii.

Battery Energy Storage Systems (BESS);

iii.

Grid-electricity supply and grid-capacity optimization;

iv.

Energy Management Systems (EMS), including monitoring and demand management;

v.

Smart, sequential, and load-balanced charging of electric buses;

vi.

Biogas- and biomethane-based power-generation options;

vii.

Hybrid energy-supply solutions;

and

viii.

Appropriate ownership, financing, implementation, operation, and commercial models.

The assignment shall result in a technically substantiated and financially viable recommended solution,

along with a phased implementation roadmap to meet the current and future energy requirements of the

Karachi BRT Red Line system.

Detailed Tasks and/or Expected Output

The Consultant shall undertake, at a minimum, the following services.

The services shall be implemented

in two phases as described below, while remaining part of one consultancy

assignment.

(A) Phase 1 – Feasibility Assessment and Recommended Energy Strategy (47 Person-Days)

Energy Demand Assessment

I.

Establish current and projected energy requirements for electric buses, depots,

stations, corridor infrastructure, and associated facilities.

ii.

Develop hourly, daily, seasonal, and annual energy/load profiles.

iii.

Establish peak demand and future load-growth requirements.

iv.

Assess the impact of bus arrival patterns, charging windows, charger capacity, and sequential

charging on the electricity-demand profile.

Renewable Energy and Solarization Assessment

The Consultant shall:

i.

Assess solarization opportunities across the complete Red Line BRT system,

including depots, stations, corridor, and other suitable facilities.

ii.

Assess available roofs, land, parking spaces, and other suitable areas.

iii.

Determine the technically and economically optimum PV capacity.

iv.

Assess expected generation, utilization, degradation, and lifecycle performance.

v.

Assess options for direct utilization, grid supply, and energy storage.

BESS and Energy Management

The Consultant shall:

i.

Assess the technical and economic feasibility and optimum sizing of BESS.

ii.

Assess peak shaving and reduction of required grid capacity.

iii.

Assess solar-energy shifting from daytime generation to nighttime bus charging.

iv.

Assess BESS power-rating and energy-capacity requirements.

v.

Develop the required Energy Management System (EMS) architecture and control

philosophy.

vi.

Assess the feasibility of integration of EMS with PV, BESS, grid supply, and charging

infrastructure.

Electric Bus Charging and Charging Management

The Consultant shall:

i.

Assess the optimum charging strategy for the Red Line fleet.

ii.

Assess sequential/smart charging and charger-load management.

iii.

Assess charging requirements during normal, peak, low-solar/cloudy-day, and grid outage conditions.

iv.

Assess the capability of the charging-management system to maintain grid demand within the selected

supply capacity.

Centralized DC Charging System Assessment

The Consultant shall assess the technical and financial viability of a centralized DC charging

architecture, including a potential arrangement comprising:

i.

PV -> BESS -> Central DC Power Hub -> DC Distribution -> Satellite Dispensers

The assessment shall also consider the utility/grid-supply scenario when the BESS has insufficient or

zero available State of Charge (SOC), including the appropriate arrangement for converting AC utility

power to DC through centralized power-conversion equipment and supplying the DC distribution network and

satellite dispensers.

The assessment shall include the following:

i.

Technical feasibility and suitability of centralized DC distribution;

ii.

PV/BESS operation and utility AC backup/supplementary supply;

iii.

Centralized AC/DC conversion requirements for utility supply;

iv.

Comparison of centralized DC architecture with conventional individual AC/DC chargers;

v.

DC distribution voltage, cable sizing, losses, and infrastructure requirements;

vi.

Conversion and distribution losses and potential energy savings;

vii.

Reliability, redundancy, backup, and operational continuity;

viii.

CAPEX, OPEX, maintenance, and replacement requirements;

ix.

Potential savings from replacing standalone chargers with centralized power conversion equipment and

satellite dispensers;

x.

Integration of EMS and Charging Management System (CMS), including potential integration on a common

software platform;

xi.

EMS as the energy/resource manager and CMS as the fleet/charging manager;

xii.

Operation under solar-available, BESS-available, BESS-depleted, and grid-only conditions;

and

xiii.

Lifecycle-cost and financial comparison with conventional charging architecture.

The Consultant shall determine the most appropriate power conversion and charging architecture,

including whether centralized DC charging remains technically and financially advantageous when utility

AC power is required.

Power Generation through Biogas/Biomethane Gensets

The Consultant shall specifically assess:

i.

Electricity generation using biogas/biomethane from the planned Red Line biogas

facility and Procurement of gas from the local market;

ii.

Generator capacity and technology;

iii.

Fuel processing, storage, and supply requirements;

iv.

Fuel availability and reliability;

v.

CAPEX, OPEX, and lifecycle cost;

and

vi.

Appropriate business/commercial models for internally generated and externally generated procured

fuel.

Grid and Utility Assessment

The Consultant shall assess:

i.

Grid-supply requirements and capacity;

ii.

Utility tariffs and applicable charges;

iii.

Substation and feeder requirements;

iv.

Reliability and redundancy;

v.

Opportunities to reduce grid capacity through PV, BESS, EMS, and controlled charging;

and

vi.

Applicable utility/grid-connection requirements.

Comparative Assessment of Power-Generation Options

The Consultant shall undertake a technical, financial, environmental, and operational comparison of

applicable generation options, including:

i.

Diesel generator sets;

ii.

Biogas/biomethane-based generation;

iii.

Solar PV;

iv.

Solar PV + BESS;

v.

Grid supply;

vi.

Hybrid combinations;

and

vii.

Any other technically viable technology identified by the Consultant.

The assessment shall consider CAPEX, fuel availability and cost, fuel-price escalation, generation

efficiency, O&M costs, start-up and response capability, reliability and availability, required

generation capacity, energy cost (PKR/kWh), lifecycle cost, replacement requirements, emissions and

environmental impacts, noise and safety, land and civil infrastructure

requirements, grid dependence, operational flexibility, NPV, IRR, and payback period, as well as key

technical and commercial risks.

The Consultant shall identify the most appropriate generation technology or combination of technologies

for different operating scenarios, including normal operation, peak demand, grid outage, lowsolar/cloudy conditions, and emergency/backup operation.

Alternative Energy Scenarios

The Consultant shall develop and compare technically viable scenarios, including, as applicable:

i.

Grid supply;

ii.

Grid + Solar PV;

iii.

Grid + Solar PV + BESS;

iv.

Grid + Biogas/Biomethane Generation;

v.

Solar PV + Biogas/Biomethane;

vi.

Solar PV + BESS + Biogas/Biomethane + Grid;

vii.

Centralized DC charging + PV + BESS;

viii.

Conventional generation + renewable energy + BESS;

and

ix.

Other viable hybrid solutions.

The Consultant shall recommend the optimum solution based on technical performance, reliability,

lifecycle cost, financial viability, environmental performance, and risk.

Financial and Business Case

The Consultant shall prepare a 20–25-year lifecycle financial model covering:

i.

CAPEX and OPEX;

ii.

Energy and fuel costs;

iii.

Equipment replacement and degradation;

iv.

Tariff/fuel escalation;

v.

NPV, IRR, and payback period;

vi.

Levelized Cost of Energy;

vii.

Lifecycle cost and savings;

and

viii.

Sensitivity and scenario analysis.

The Consultant shall assess & recommend appropriate implementation/business models, including EPC,

TransKarachi-funded investment, ESCO/Energy-as-a-Service, BOOT/BOT, and other suitable models.

Regulatory, Environmental, and Risk Assessment

The Consultant shall identify applicable electricity and renewable-energy regulations;

NEPRA and utility

requirements;

gas/biogas/biomethane requirements;

environmental and

safety requirements;

government approvals and No-Objection Certificates (NOCs);

procurement and

contractual requirements;

and other applicable federal, provincial and local

regulations.

Prepare a comprehensive Project risk register and mitigation plan.

Phase 1 Review

Phase 1 shall provide the recommended energy strategy, preferred system configuration,

indicative/appropriate capacity requirements, financial and business case, and phased

implementation roadmap.

Following completion and review of the Phase 1 deliverables, TransKarachi/ADB

shall provide comments on or accept the deliverables.

The Consultant

shall then proceed with Phase 2 based on the recommended solution, incorporating any comments received

during the Phase 1 review.

(B) Phase 2 – Detailed Engineering, Technical Specifications, and Procurement Support (23 Person-Days)

Based on the recommended solution identified and confirmed under Phase 1, the Consultant shall develop

the required engineering and procurement package, including, as

applicable:

i.

PV structures and foundations;

ii.

BESS foundations/enclosures;

iii.

Generator and fuel infrastructure;

iv.

Inverter/Power Conversion System (PCS) and electrical-equipment areas;

v.

Substations and transformer areas;

vi.

Switchgear/control rooms;

vii.

DC/AC cable routes, trenches, ducts, and conduits;

viii.

Central DC power hubs;

ix.

Satellite charging dispensers and charging interfaces;

x.

Drainage and access arrangements;

xi.

Fire-protection and safety infrastructure;

and

xii.

Modifications to existing facilities.

The Consultant shall prepare relevant layouts, design criteria, equipment schedules, technical

specifications, Bills of Quantities (BOQs), and cost estimates for the recommended

solution identified under Phase 1.

Technical Specifications and Procurement

The Consultant shall prepare the technical and procurement requirements for the

recommended solution, including:

i.

System architecture;

ii.

Equipment schedules and specifications;

iii.

Performance requirements;

iv.

BOQs/price schedules;

v.

Testing and commissioning requirements;

vi.

O&M requirements;

The Consultant shall determine whether the recommended solution should be procured as a single

integrated package or through separate packages.

KEY DELIVERABLES

(A) Phase 1 – Feasibility Assessment and Recommended Energy Strategy (47 Person-Days)

i.

Inception Report and Energy Demand Assessment;

ii.

Renewable Energy and Solarization Feasibility Assessment;

iii.

BESS, EMS, and Charging Management Assessment;

iv.

Electric Bus Charging Strategy and Load Management Assessment;

v.

Centralized DC Charging Feasibility Assessment;

vi.

Comparative Generation Technology Assessment;

vii.

Biogas/Biomethane Generation Feasibility and Business Model;

viii.

Grid and Utility Assessment;

ix.

Alternative Options Analysis and Recommended Energy Strategy;

x. 20-25 Year Lifecycle Financial and Business Model;

xi.

Regulatory, Environmental, and Risk Assessment;

xi.

Recommended Energy Strategy, Indicative System Configuration and Implementation Roadmap.

i.

Detailed Engineering Design;

ii.

Technical Specifications, BOQs and Cost Estimates;

iii.

Testing, Commissioning, and O&M Requirements

iv.

Provide high-level recommendations on Procurement and Contracting Strategy;

xv.

Final Comprehensive Feasibility Study and Executive/Board Recommendations.

Minimum Qualification Requirements

The Individual Consultant shall have:

i.

A postgraduate degree in Electrical Engineering, Energy Engineering, Renewable Energy, Energy

Economics, Power Systems, Mechanical Engineering, or another closely related field.

ii.

At least fifteen (15) years of relevant professional experience in energy, renewable energy, power

systems, or infrastructure.

iii.

Demonstrated experience in energy feasibility studies, solar PV, BESS, grid optimization, and

energy management.

iv.

Proven experience in energy modeling, lifecycle costing, and financial/business-case development.

v.

Experience in biogas/biomethane or gas-based power generation, which is highly desirable.

vi.

Experience in preparing technical specifications, preliminary designs, procurement strategies, and

bidding documents.

vii.

Familiarity with Pakistan's energy-regulatory framework and ADB/MDB procurement processes.

viii.

Strong analytical, financial-modeling, report-writing, and stakeholder-coordination skills.

ix.

Experience with public-sector or large infrastructure/urban transport projects, which will be an

advantage.

Minimum General Experience 15

Years

Minimum Specific Experience (relevant to assignment) 15

Years

Regional/Country Experience Required

Desired

Not Required

Deliverables

Details Name Type Estimated Submission Date

No results found.

Schedule and Places of Assignment (chronological and inclusive of travel)

Schedule Type Continuous

Intermittent

Max.

Working Days/Week Home Office 5

Field 6

City and Country Working Days Estimated Start Date Estimated End Date Other Details (use if place selected is Others)

Home Office, Other Search and Select: Place

47 12-Oct-2026 15-Dec-2026

Total

47

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All rights reserved.

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