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Andaman Island – Indian Coast Guard Microgrid

Current status, energy mix, organizations, suppliers, equipment, controls, reported specifications, and project updates—with source-level citations.

CoverageDetailed public record
Named organizations5
System facts21
Sources reviewed8
Evidence reviewed2026-07-20

Optimal Power Solutions commissioned a remote solar-battery-diesel microgrid for the Indian Coast Guard in the Andaman Islands in 2014. The site-specific commissioning record gives 75 kWp of PV, a 240 V/2,400 Ah battery bank, two 30 kVA diesel generators, two proprietary 20 kVA parallel inverter modules, and a Station Control Module with remote monitoring. A later OPS portfolio page separately describes a broader eight-system Coast Guard island portfolio totaling 320 kWp; the relationship between that aggregate and the 75 kWp commissioning record is not explained.

Research status
Commissioned in October 2014 according to the system supplier. OPS continues to present the Coast Guard island microgrids in its current project portfolio, and a 2024 Indian power-sector report lists the 75 kW project, but neither source establishes present operation, availability, or component condition. No site-specific failure, replacement, expansion, performance, or decommissioning update was located through July 2026, so current operating status is unknown.
Historical classification
Island
Reported capacity
See component specifications
Coordinates
12.50000, 92.75000
Evidence note: “Every company” cannot be proven from public material alone. This page lists every organization found in the recovered record and reviewed sources, preserves unknown roles, and explicitly marks undisclosed controller or equipment details.
Report missing evidenceResearch methodology

Project delivery

Who was involved in Andaman Island – Indian Coast Guard Microgrid?

5 publicly identified organizations. Where a recovered source named a participant without explaining its work, the role remains explicitly unspecified.

Organization

Agni Power

Named by OPS as a client for the broader India Coast Guard island-microgrid portfolio; the page does not define its exact project role. [7]

Organization

BEL

Named by OPS as a client for the broader India Coast Guard island-microgrid portfolio; the page does not define BEL's exact contracting or integration role. [7]

Organization

Indian Coast Guard

End user of the remote island facility power system. [6][7]

Organization

Optimal Power Solutions

Microgrid system supplier/integrator and publisher of the 2014 commissioning record and current portfolio record. [6][7]

Organization

Optimal Power Synergy India

Indian OPS affiliate identified as supplier of the proprietary parallel inverter modules and Station Control Module. [6]

System evidence

Energy mix, capacity, and specifications

Values can describe different project phases, generation sources, storage systems, or other components. Source citations are attached to each figure so discrepancies remain visible.

KW Solar
75 [1]
2014 site PV capacity
75 kWp [6][8]
2014 site battery bank
240 V, 2,400 Ah; the commissioning release does not state chemistry, manufacturer, usable capacity, discharge power, or rated duration [6]
2014 site diesel capacity
Two 30 kVA generator sets [6]
2014 site inverter capacity
Two 20 kVA parallel inverter modules [6]
Later OPS portfolio aggregate
Eight 40 kWp solar systems (320 kWp total), eight 20 kVA parallel inverters, and 575 kWh of storage at 240 VDC across a broader Coast Guard island portfolio [7]
Energy mix
Solar PV and battery storage with diesel backup; no verified annual renewable fraction, fuel consumption, or diesel-savings figure was found [6][7]

Controls and hardware

Equipment and controller details

Manufacturer and model are shown only when a source names them. Generic descriptions are not converted into guessed product assignments.

01

Parallel inverter modules

Optimal Power Synergy India

Two proprietary 20 kVA modules for the 75 kWp site, configured in parallel for redundancy. No product model is given. [6]

02

Microgrid controller

Optimal Power Synergy India — Station Control Module

Coordinates battery, load, and diesel-generator operation and provides remote monitoring. [6]

03

Balance of system

Model not publicly disclosed

AC switching cabinet, DC distribution board, and PV combiner boxes were included. Their manufacturers and models are not disclosed. [6]

04

Undisclosed major equipment

Model not publicly disclosed

The public commissioning account does not identify the PV module, battery, or diesel-generator manufacturers/models or the battery chemistry. [6]

Technical record

Architecture, performance, and project updates

Concise technical facts, milestones, operating results, and later developments. Dated notes distinguish historical design claims from current evidence.

  • General

    OPS together with Optimal Power Synergy India have completed a new solar PV, micro-grid system in the Andaman Islands. [1]

  • General

    The connected power sources include 75kWp of solar PV, a 240V, 2400Ah battery bank and 2 diesel generator sets rated to 30kVA each. [1]

  • General

    OPS India have supplied two proprietary technology parallel inverter modules rated at 20kVA each, with a Station Control Module and other balance of system, power electronic components. [1]

  • General

    The Station Control Module employs specialised control software and will take suitable actions, based on inbuilt intelligence, to ensure reliable and optimum operation of the hybrid power plant. [1]

  • General

    The Station Controller also provides remote monitoring of various system parameters such as battery status, loads, diesel genset operation. [1]

  • General

    This micro-grid system provides excellent power reliability and redundancy as well as significant diesel fuel savings. [1]

  • Architecture and controls

    The islanded system combines PV, a high-voltage DC battery bank, redundant parallel inverter modules, and two diesel generator sets. The Station Control Module monitors and dispatches the battery, site load, and generators and supports remote monitoring. [6]

  • Scope conflict

    The 2014 commissioning release describes one 75 kWp site with two 20 kVA inverters. OPS's later portfolio page describes eight 40 kWp systems totaling 320 kWp with eight 20 kVA inverters. These may represent different sites or portfolio phases, but the sources do not reconcile them, so the ratings are not combined. [6][7]

  • Battery-rating caveat

    The original source reports 240 V and 2,400 Ah, while the portfolio page reports 575 kWh. No allowable depth of discharge, inverter-limited output, load profile, or battery degradation data is public, so a defensible storage duration cannot be stated. [6][7]

  • Evidence gap

    No post-commissioning source found provides the exact island/site name, current operator and maintenance contractor, equipment replacements, operational availability, load served, generation by source, fuel savings, or present condition. A supplier portfolio entry and a 2024 project-listing are insufficient to prove current operation. [6][7][8]

Provenance

8 sources

Primary owner, government, university, supplier, and engineering sources are preferred. Archived references preserve claims whose original pages moved or disappeared.

  1. [1]
    Recovered Microgrid Projects record

    Internet Archive · Archived source · captured 2020-11-27

  2. [2]
    www.flickr.com

    flickr.com · Archived source · captured 2020-11-27

  3. [3]
    www.flickr.com

    flickr.com · Archived source · captured 2020-11-27

  4. [4]
    www.flickr.com

    flickr.com · Archived source · captured 2020-11-27

  5. [5]
    Microgrids in India

    microgridprojects.com · Archived source · captured 2020-11-27

  6. [6]
  7. [7]
    India Coast Guard Island Microgrids

    Optimal Power Solutions · Primary source

  8. [8]
    Study on Moving to a Self-Sustainable Power Distribution Sector

    FICCI / International Copper Association India · Secondary research

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