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Department Of Posts Inverter Tender 2026 - UPS Inverter with Battery Backup, THD, IS 550, AAA/TRTL Certified

Bid Publish Date

09-Jul-2026, 10:44 am

Bid End Date

29-Jul-2026, 2:00 pm

EMD

₹2,25,000

Value

₹45,00,000

Location

PURNIA , BIHAR
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Progress

Issue09-Jul-2026, 10:44 am
AwardPending
Explore all 6 tabs to view complete tender details

Quantity

100

Bid Type

Two Packet Bid

Key Highlights

  • • Brand/OEM requirements: Functional service centre presence; OEM authorization may be required.
  • • Technical standards: THD specification, IS 550 compliance details, and inverter test reports.
  • • Special clauses: Option to increase/decrease quantity up to 25% at contract rates; minimum delivery period adjustments.
  • • Eligibility: Minimum three-year turnover criteria; audited financials or CA certificate; service centre readiness.
  • • Warranty/AMC: After-sales service turnaround time; on-site vs carry-in warranty implications.
  • • Penalties: Liquidated damages or penalties tied to delivery/installation performance according to terms.
  • • Delivery/Installation: Location-based delivery with installation/ commissioning included where applicable.
  • • Documentation: EMD, GST, PAN, experience certificates, OEM authorizations, and financials required.

Categories 11

SOLAR FENCE NEON LAMP SOLAR CELLS SOLAR PV PLANT STATIC CONVERTERS HYBRID POWER SYSTEM SPEED DRIVE SYSTEM SOLAR CHARGING INVERTER SOLAR CHARGER SOLAR PHOTOVOLTAIC SYSTEM

Tender Overview

The Department Of Posts invites bids for an INVERTER package with integrated BATTERY backup. Estimated value is ₹4,500,000 with an EMD of ₹225,000. Scope includes inverter units with battery provision, suitable trolley/rack for batteries, and installation/commissioning. Key differentiators include compliance with field-specific performance (THD) and a service network requirement across states. This procurement targets reliable power continuity equipment for post offices and related facilities, with emphasis on conformity testing and after-sales support. Bidders must address delivery, installation, and post-sales service within clause-driven terms.

Technical Specifications & Requirements

  • Product category: INVERTER with explicit output rating in KVA, input operating voltage (wide acceptable if performance criteria met), and inverter mode output voltage.
  • Battery provisions: Provision of battery with each inverter; specify type, minimum capacity per battery (Ah), battery voltage, and DC bus voltage (0 if not provided).
  • Performance: Total Harmonic Distortion (THD) specification must be declared.
  • Accessories: Provision of suitable trolley/rack for batteries.
  • Service & testing: After-sales service turnaround time; inclusion of other services if any; battery test report required (NA if no battery).
  • Certification/Testing: Availability of inverter test report to prove conformity with specifications.
  • Delivery/Installation: Installation and commissioning scope as applicable to delivery address; timeline aligned to purchase orders.

Terms, Conditions & Eligibility

  • EMD: ₹225,000 via DD or online, with submission proof; hard copy within 5 days of bid end/opening.
  • Turnover: Three-year average turnover criteria to be met per bid document; audited statements or CA certificate required.
  • Service Centre: Must have a functional Service Centre in the consignee state; if not, establishment within 30 days of award with documentary evidence.
  • Delivery: Delivery & installation per clause; option for quantity variation up to 25% at contracted rates; delivery period adjustments governed by the option clause.
  • Payment: Details to be specified in contract; ensure submission of required financial documents; performance/security deposits as per tender terms.
  • Documentation: GST, PAN, experience certificates, technical bids, OEM authorizations, and EMD submission proof.
  • Warranty/Support: On-site or carry-in warranty terms to be clarified; penalties or L1 definitions to adhere to buyer terms.

Key Specifications

  • Product/service: INVERTER with BATTERY backup

  • Estimated value: ₹4,500,000; EMD: ₹225,000

  • Battery details: provision with each inverter; specify type, capacity (Ah), voltage (V), DC bus voltage

  • Technical: THD specification; inverter output voltage in inverter mode; input voltage range

  • Accessories: trolley/rack for batteries

  • Testing/Certification: inverter test report; IS 550 or equivalent standards may apply

  • Delivery: installation & commissioning as per buyer terms; service centers in consignee states

Terms & Conditions

  • Delivery quantity may vary by ±25% with contracted rates; extended delivery period rules apply

  • Service centre in each consignee state required; 30-day setup window if not existing

  • EMD to be paid via DD/online with supporting documents; hard copy within 5 days

Important Clauses

Payment Terms

Details to be provided in the contract; EMD paid upfront; subsequent payments linked to delivery & installation milestones.

Delivery Schedule

Delivery period aligned to purchase order; option to extend per 25% quantity variation with minimum 30 days.

Penalties/Liquidated Damages

Penalties for late delivery or non-conformance to specifications; LD rates to be specified in contract.

Bidder Eligibility

  • Minimum average annual turnover as specified in bid document (last 3 years)

  • Proof of GST registration and PAN

  • Functional service centre evidence or plan to establish within 30 days

  • OEM authorization for inverter and battery equipment

Additional Tender Data

Commercial Details

Tender Category

Goods

Bid To RA

No

Bid To RA Enabled

Yes

Item Category

Inverter (V2) (Q2)

Advisory Bank

State Bank of India

ePBG Percentage

5%

ePBG Duration (Months)

26

Delivery Details

Max Delivery Days

30

Delivery Locations

11

Delivery Cities

Aurangabad, Begusarai, Bhojpur, Darbhanga, Gaya, Madhubani, Munger, Nalanda, Patna, Samastipur, Sitamarhi

Delivery Pincodes

800004, 802301, 803101, 811201, 823001, 824101, 843301, 846004, 847211, 848101, 851112

Delivery Locations

ConsigneeAddressCityStatePincodeQuantityDelivery DaysAdditional Requirement
Kundan Kumar803101,Biharshariff Head Post Office Compound, BiharshariffNalandaBihar803101330-
Rajdeo Prasad800004,Postal Stores Depot (PSD), 2nd Floor, Patna GPO Campus, Patna 800001PatnaBihar800004330-
Sanjay Kumar846004,Office of the Superintendent of Post offices, Darbhanga Division, DarbhangaDarbhangaBihar846004430-
Sanjeva Sharan Suman843301,Office of the Superintendent of Post Offices, SitamarhiSitamarhiBihar843301330-
Santosh Kumar847211,Office of the Superintendent of Post Offices, Station Road, MadhubaniMadhubaniBihar847211330-
Arvind Kumar Kesari823001,In the Campus of O/o the SSPOs, Gaya Dn. GayaGayaBihar823001130-
Priya Ranjan824101,OFFICE OF THE SUPERINTENDENT OF POST OFFICES, AURANGABAD DIVISION , AURANABADAurangabadBihar824101530-
Manoj Kumar Madhuker811201,O/o superintendent of Post Offices, Munger Division, Pipalpati Road, Near new Era Public school, MungerMungerBihar811201430-
Niraj Kumar802301,Office of Superintendent of Post Offices, Bhojpur Division, Station Road AraBhojpurBihar802301330-
Robin Chandra848101,Office of Superintendent of Post Offices, Samastipur Division, SamastipurSamastipurBihar848101330-
Arun Kumar Mandal851112,O/o the Superintendent, RMS 'NB' Division Barauni, At Barauni Post office Campus Rajendra RoadBegusaraiBihar851112330-

Authority Records

MINISTRY OF COMMUNICATIONSPOSTS DEPARTMENT

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Documents 3

GeM-Bidding-9455714.pdf

Main Document

CATALOG-Specification-1

CATALOG Specification

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

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Technical Specifications 1 Item

Item #1 Details

View Catalog
Category Specification Requirement
INVERTER Output Rating of the Inverter (in KVA) 3
INVERTER Input - Operating Voltage of the Inverter (hint: The input range specified is minimum requirement; Wider input ranges shall also be acceptable being considered better provided meeting the performance requirement) 1 phase 180V -260V, 50 Hz AC mains
INVERTER Output Voltage of the Inverter ( in inverter mode) 1 phase 220V +/- 10 V, 50 Hz AC
BATTERY Provision of battery with each inverter for backup Yes
BATTERY Type of Battery SMF-VRLA conforming to JISC- 8702 (Pt. I,II&III), Stationary Lead Acid Batteries (with tubular positive plates) in monobloc container conforming to IS 13369
BATTERY Minimum Capacity of Each Battery ( in Ah) (hint: Write '0' in case battery not provided) 150.0
BATTERY Battery Voltage (in volts)(hint: Write '0' in case battery not provided) 12.0
BATTERY DC Bus Voltage (in volts) (hint: Write '0' in case battery not provided) 36.0
PERFORMANCE Total harmonic distortion (THD)
ACCESSORIES/ TROLLEY/ RACK Provision of Suitable Trolley/ Rack for Batteries Yes
INSTALLATION AND COMMISSIONING OF SERVICE After Sales Service (Turn Around Time) Within 7 days
INSTALLATION AND COMMISSIONING OF SERVICE Other Services Provided PAN India service support on 24 x 7 basis, Availability of spares in close proximity (Spares should be easily available close to the site)
BUYER SPECIFIC REQUIREMENT Battery Test Report (hint : Select NA in case of no battery) Type Test Report as per relevant governing specifications from Govt Lab/NABL accredited lab
CERTIFICATION/TEST REPORT Availability of test report for inverter to prove conformity of the specification from OEM

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Required Documents

1

GST registration certificate

2

PAN card

3

Audited financial statements for last 3 years or CA certificate verifying turnover

4

EMD submission proof (DD or online payment receipt)

5

Technical bid documents demonstrating conformity to THD, IS 550, and inverter specs

6

OEM authorization / authorized dealership certificate

7

Evidence of functional Service Centre or plan to establish within 30 days

8

Delivery/compliance proofs and installation plan

Frequently Asked Questions

Key insights about BIHAR tender market

How to bid for the Department Of Posts inverter tender 2026?

To bid, meet the EMD of ₹225,000 via DD or online, submit GST and PAN, provide three-year turnover evidence, OEM authorizations, and technical documentation showing THD and IS 550 compliance; include service centre proof or plan within 30 days and delivery/installation schedule per contract.

What documents are required for inverter tender submission in 2026?

Required documents include GST certificate, PAN card, three-year turnover proof, EMD receipt, OEM authorization, technical bid demonstrating conformity to THD and IS 550, service centre evidence, installation plan, and audited financials or CA certificate.

What are the battery specifications for the inverter tender?

The tender requires provision of battery with each inverter; specify battery type, minimum capacity per battery in Ah, battery voltage, and DC bus voltage (0 if not provided). Ensure compatibility with inverter model and warranty terms.

What is the delivery and installation requirement for this inverter bid?

Delivery and installation are governed by contract terms; option to adjust quantity by ±25% at contracted rates; if awarded, establish service centre within 30 days and deliver/commission at HO/SO locations as instructed.

What standards or test reports are required for conformity?

Submit inverter test reports proving conformity to prescribed specifications; THD values and IS 550/ISI or equivalent certifications should be included; include performance data for inverter mode output voltage.

How is after-sales service arranged for this inverter tender?

Bidder must have a functional service centre or establish one within 30 days of award; payment release is contingent on documentary evidence of service capability; specify Turn Around Time (TAT) for repairs and replacements.

What is the EMD amount and payment method for this procurement?

EMD is ₹225,000, payable via Demand Draft in favor of Dy. CPM, Patna GPO, or online payment; scanned DD proof must accompany bid, with hard copy delivered within 5 days of bid end date.

What is the estimated value and scope of inverter with battery bid?

Estimated value is ₹4,500,000; scope includes inverter units with battery backup, battery racks, trolley/ rack provisions, installation and commissioning, plus after-sales support as per buyer terms.

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