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Rural Development Department Bihar Solar Power Plant Roof Top Tender 2026 ONGRID Single Phase

Bid Publish Date

02-Jan-2026, 8:15 am

Bid End Date

12-Jan-2026, 9:00 am

EMD

₹10,000

Location

WEST CHAMPARAN , BIHAR

Progress

Issue02-Jan-2026, 8:15 am
AwardPending
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Quantity

1

Bid Type

Two Packet Bid

Key Highlights

  • • Specific brand/OEM expectations: ISI/ISI-marked components and IS 550-type compliance mentioned via generic standards
  • • Technical certifications: ISI marking for cables, IP-rated enclosures, and compliance for PV components
  • • Special clauses: quantity variation up to 25% and extended delivery period with formula
  • • Eligibility: EMD ₹10,000; experience certificates and financials expected (exacts not specified)
  • • Warranty/AMC: minimum guarantee for maintaining peak watt capacity
  • • Penalties: not explicitly stated; LD terms appear via delivery extension rules
  • • Delivery/installation: full installation, testing, DC/AC distribution, cabling, and signages
  • • Wind/load: mounting structure must withstand wind zone and regional wind speed

Categories 3

POWER POWER PLANT POWER PROJECT

Tender Overview

The Rural Development Department Bihar invites a solar roof-top ONGRID tender for a single‑phase system, focusing on a grid-tied PV power plant including PV array mounting, inverter specifications, and complete installation and testing. Estimated value is not disclosed; EMD is ₹10,000. Location is Bihar, with the project targeting rooftop installations, grid-tied operation, and cloud data transmission capabilities. The scope emphasizes an end‑to‑end solution from mounting to commissioning, including DC/AC distribution, cable works, and safety signage. A key differentiator is the comprehensive inverter protection and data interface requirements for remote power data storage.

Technical Specifications & Requirements

  • PV array mounting and complete installation/testing for a grid-tied SPV system
  • Inverter requirements cover: Rated output power (kW), number of MPPTs, input/output ports, overload protection, operating voltage range, inverter efficiency, and display features
  • Inverter protections: overcurrent/overtemperature, surge, insulation resistance, grid monitoring, PF at rated power, body material
  • Add-on items: DC/AC distribution boards with IP-rated enclosures, ISI-marked cables, DC input breakers, and panel construction
  • Cable lengths: PV-to-inverter DC length and inverter-to-net-meter DC/AC lengths in meters
  • Wind load considerations for mounting structures and regional wind withstand capacity
  • Warranty/guarantee: minimum maintenance of peak watt output
  • Isolated BOM not provided; emphasis on ISI/ISI-compliant components and cloud data interface for generating power data storage

Terms & Eligibility

  • EMD: ₹10,000 (payment terms not detailed; submit as specified in bid docs)
  • Quantity: option clause allows ±25% variation; delivery timing follows last date of original delivery order
  • Delivery terms: extended delivery time if option exercised, with minimum 30 days
  • Compliance: supplier must adhere to buyer’s option clause, ensure ISI/IS 550-like rigor where applicable, and provide OEM authorizations if required
  • Documentation: GST, PAN, experience certificates, financial statements, EMD submission, and technical compliance where specified

Key Specifications

  • Grid-tied SPV system with rooftop PV array mounting

  • Inverter: rated output power (kW), MPPT count, input/output ports, overload protection

  • Operational parameters: inverter operating voltage range, maximum input current per MPPT, efficiency

  • Protection: overload, over temp, surge, insulation resistance, grid monitoring, PF at rated output

  • Display: data storage for generating power and cloud data interface

  • Add-ons: ISI-marked input/output cables, DC/AC distribution boards with IP-rated enclosures

  • Wind load: mounting structure wind resistance and regional wind velocity compliance

Terms & Conditions

  • EMD amount and payment terms not fully detailed in tender data

  • Quantity flexibility up to ±25% with extended delivery time provisions

  • OEM authorization and ISI/IS 550-like compliance may be required

Important Clauses

Payment Terms

EMD of ₹10,000 required; delivery/ payment terms anchored to contract order and option clause during procurement

Delivery Schedule

Delivery period may extend if option clause is exercised; additional time calculated as (increased quantity / original quantity) × original delivery period, with a minimum 30 days

Penalties/Liquidated Damages

LD terms not explicitly stated; implied through delivery extension mechanics and contract terms

Bidder Eligibility

  • Experience in supplying and installing grid-tied rooftop solar PV systems

  • Financial stability demonstrated by last 3 years' statements

  • GST registration and PAN details; OEM authorization if required

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Technical Specifications 1 Item

Item #1 Details

View Catalog
Category Specification Requirement
GENERIC A Grid Tied Photo Voltaic (SPV) power plant consists of SPV array, Module Mounting Structure, Power Conditioning Unit (PCU) consisting of Maximum Power Point Tracker (MPPT), Inverter, and Controls and Protections, interconnect cables and switches
GENERIC PV Array Mounting Mounted on a suitable structure
GENERIC Grid tied SPV system is Without battery and designed with necessary features to supplement the grid power during day time.
GENERIC Installation and testing for complete system Yes including Civil Work, Designing, Fabrication, Cabling Work with suitable Bolts, Nuts, Clamps, Connectors and testing etc.,
INVERTER Rated out put power of inverter (Kw) 5
INVERTER Switching device IGBT
INVERTER No. of Phase (in Nos.) 1
INVERTER Inverter output wave form Pure sine wave
INVERTER No.of MPPT per inverter (in Nos.) 2
INVERTER No. of string at input side of inverter ( input port +ve and -ve) ( hint: 1 sets contains 1 +ve and 1 -ve port) 2 set
INVERTER Maximum power point tracker Integrated in the PCU/inverter to maximize energy drawn from the array
INVERTER Operating Voltage Range of Inverter 160 V to 850 V
INVERTER Over load support at Input side, DC 15% of Maximum Input Voltage
INVERTER Maximum input current for each MPPT (in A) 22
INVERTER Service condition Outdoor
INVERTER Ingress protection rating of inverter IP 65 (for outdoor use)
INVERTER Cooling medium for inverter Constant speed Fan Cooled
INVERTER Manual switch for disconnecting DC supply Yes
INVERTER Inverter mounting type Wall Mounted
INVERTER OUT PUT Maximum current for single phase inverter (in A) 10.5
INVERTER OUT PUT Output voltage (in V) 240 V
INVERTER OUT PUT Invert auto trip at output side Lower : at 160 V, Higher : at 285 V with adjustable
INVERTER OUT PUT Overall Efficiency (in %) >90
PROTECTION FOR INVERTER Overlod protection 110% for 1 Minute,, 125% for 30 sec.,, 150% for 5 sec.
PROTECTION FOR INVERTER Over temperature protection Yes at 65 Deg. C Cooling Fan will auto switch ON
PROTECTION FOR INVERTER Surge protection Metal Oxide Varistor (MOV)
PROTECTION FOR INVERTER Insulation Resistance Monitoring Yes
PROTECTION FOR INVERTER Grid Monitoring protection Yes
PROTECTION FOR INVERTER Power factor at rated out put power 0.9
PROTECTION FOR INVERTER Inverter body material M.S. Plate
SERVICE CONDITION Operating temperature -25 to +60 deg. C
DISPLAY FEATURES ON INVERTER Type of display LCD
DISPLAY FEATURES ON INVERTER Display parameters DC Voltage, DC Current, AC Voltage, AC Current, Out put frequency, Power Factor
DISPLAY FEATURES ON INVERTER Generating power Data storage facility Yes for 2 Years from the date of commissioning
DISPLAY FEATURES ON INVERTER Interface facility for transmitting the generating power data for cloud storage With Wifi Dongle
DISPLAY FEATURES ON INVERTER Net meter Approved by Government of India/State Government authority concerned for connecting to Grid
Add on items - DC DISTRIBUTION BOARD DC Distribution panel to receive the DC output from the array field Yes with surge arrestors
Add on items - DC DISTRIBUTION BOARD Ingress protection (Enclosure protection) of DC Distribution Box IP65
Add on items - DC DISTRIBUTION BOARD Material of bus bar and size Copper, size as per inverter rating
Add on items - DC DISTRIBUTION BOARD Circuit Breaker for input side (DC side) for each inverter MCB 15 A
Add on items - CABLE FOR INPUT ISI Marked Connecting cables according to Inverter rating for each system PV Module to Inverter DC
Add on items - CABLE FOR INPUT Electric Cable for Input 1C x 6 Sq. mm, Copper Cable (as per IS:694:2010 latest)
Add on items - CABLE FOR INPUT Cable Length for PV Module to Inverter, DC (in m) 15
Add on items - AC DISTRIBUTION BOARD AC Distribution Panel Board (DPB) for controlling the AC power from PCU/inverter 1 Phase 230 Volt +/- 10%, 50 HZ +/-3%
Add on items - AC DISTRIBUTION BOARD Panel construction Metal clad, totally enclosed, floor mounted, air insulated, cubical type with change over switch
Add on items - AC DISTRIBUTION BOARD Ingress protection (Enclosure protection) of AC Distribution Box IP65 for outdoor
Add on items - AC DISTRIBUTION BOARD All switches and the circuit breakers, connectors should conform to IS:60947 part I, II and III
Add on items - AC DISTRIBUTION BOARD Panels designed for minimum expected ambient temperature 45 deg. C
Add on items - AC DISTRIBUTION BOARD Circuit Breaker for output side (AC side) for each inverter MCB 16 A
Add on items - CABLE FOR OUTPUT ISI Marked Connecting cables according to Inverter rating for each system. From Inverter to Net Meter and to mains at LT Bus bar while in grid tied mode
Add on items - CABLE FOR OUTPUT Conformity of the specification for cable 2C x 10 Sq. mm, Copper Cable (as per IS:694:2010 latest)
Add on items - CABLE FOR OUTPUT Cable length for output side (from inverter to Net Meter for each system ) (in m ) 10
Other Add on Items Cabling work at input side for each system With PVC Conduit pipe with necessary clamps and screws
Other Add on Items Cabling work at Output side for each system With Cable Tray with fitment accessories
Other Add on Items Danger boards and signages 2 No.
ARRAY STRUCTURE Material of mounting structure Structural Steel, Grade: E350 (as per IS:2062:2011 latest)
JUNCTION BOX Material of Junction Box FRP (Fibre reinforced plastics)
WIND LOAD The Mounting structure shall be so designed to withstand the speed for the wind zone of the location where a PV system is proposed to be installed Yes
WIND LOAD Compliance to wind velocity test for the Mounting structure of PV System as per IS 875:1987 part 3 latest
WIND LOAD Regional wind withstand capacity which the Mounting structure of PV system support is suitable to withstand (in Km/Hour) 180
WARRANTY & GUARANTEE Minimum guarantee for maintaing of out put peak watt capacity > / = 90% at the end of 10 years and >/= 80% at the end of 25 years

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Required Documents

1

GST registration certificate

2

PAN card

3

Experience certificates for similar solar rooftop projects

4

Financial statements (last 1-3 years)

5

EMD submission proof (₹10,000)

6

Technical bid documents and compliance certificates

7

OEM authorizations (if applicable)

8

DC/AC distribution board and cable conformity certificates

Frequently Asked Questions

Key insights about BIHAR tender market

How to bid for Bihar solar rooftop tender in 2026?

Bidders must submit GST, PAN, experience certificates, financial statements, and ₹10,000 EMD. Ensure OEM authorizations if required and provide ISI/IS 550-compliant components. The bid requires full installation, testing, DC/AC distribution, and cloud data interface for power data storage. Follow option clause guidelines for quantity adjustments.

What documents are required for the Rural Development Bihar solar bid?

Required documents include GST certificate, PAN, experience certificates for rooftop PV projects, latest financial statements, EMD proof of ₹10,000, technical compliance certificates, OEM authorizations if applicable, and affidavits for ISI/IS 550 compliance and wind-load mounting certifications.

What are the technical specifications for the inverter in this tender?

Inverter specs include rated output power in kW, number of MPPTs, input/output ports, overload and over-temperature protection, operating voltage range, maximum input current per MPPT, efficiency, and display with data storage and cloud interface for generation data.

What is the delivery timeline and option clause details for quantity changes?

Delivery is governed by the option clause: quantity may vary by ±25%, with extended delivery time calculated as (increased quantity/original quantity) × original delivery period, minimum 30 days, starting after the last original delivery date.

Which standards or certifications are required for cables and panels?

Cables must be ISI-marked or equivalent, with IP-rated enclosures for DC/AC distribution boards, and panels designed for the expected ambient temperature. Inverter and cabling must comply with ISI/ISI-like quality controls and wind-load mounting standards.

What is the EMD amount and how is it submitted for the Bihar tender?

EMD is ₹10,000. Submission must include EMD proof as part of the bid packet, via online or demand draft as per tender terms, with reference to the RCC/PMO procurement guidelines for Rural Development Department Bihar.

What are the cloud data interface requirements for generating power data?

Bidders must provide a data interface capability: storing generating power data, and a method to transmit data to a cloud storage system. Ensure secure data transfer from inverter to cloud and compatibility with SCADA or similar monitoring platforms.

What are the wind-load requirements for the PV mounting structure?

Mounting structures must withstand regional wind speeds with wind-load compliance testing. The tender requires structure design to accept the specified wind zone and a validated wind velocity rating for safe rooftop installation.

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