Gondia District Panchayats Off-Grid Solar PV Power Plant Tender Maharashtra 2026 – V2 PCU & PV Module Standards
Gondia District Panchayats
GONDIA, MAHARASHTRA
Posted:
3 January 2026
Closed:
17 January 2026
GEM
Tender Overview
The Commissionerate Of Higher Education, under the Education Department Gujarat, seeks an on-grid solar rooftop system comprising three-phase inverters and related DC/AC distribution hardware. The project scope centers on rooftop installation with modular inverter configurations and DC input protection, plus AC integration with net metering. Estimated contract value and EMD details are not disclosed. Key differentiators include comprehensive protection schemes, cloud data transmission interface, and plug-in cabling, with emphasis on ISI/IS ratings and wind load compatibility for the mounting structure. This tender targets qualified solar integrators with robust inverter and cabling capabilities in Gujarat.
Technical Specifications & Requirements
- Category: INVERTER; Rated output power (KW) per inverter; Number of MPPTs per inverter; Input string ports (positive/negative)
- Operating Voltage Range; DC input overload tolerance (%); Maximum input current per MPPT (A)
- Protection & Service Conditions: Ingress protection rating, cooling medium, manual DC disconnect, inverter mounting type, grid monitoring protection, THD %, power factor at rated output
- Output Side: Maximum current for 3-phase inverter (A); auto trip at output; overall efficiency %
- Add-ons: DC/AC distribution boards, ISI cables, cable length (input/output), insulation, enclosure IP ratings, junction box material and IP rating, wind load in Km/Hour, cabling for input/output andDC/AC safety devices
- Display & Data: Display type; cloud data transmission interface; net meter integration
- Warranty & Guarantee: Minimum guaranteed output watt maintenance
- Array Structure & Safety: Mounting material, cabling, warning boards, signage
Terms, Conditions & Eligibility
- EMD: not disclosed in available data; bidders must review purchaser terms for amount and payment mode
- Delivery Terms: option clause allows up to ±25% quantity change; delivery windows anchored to last delivery order date with minimum 30 days extension
- Experience/Financials: must meet standard procurement norms for solar rooftop projects; prefer bidders with inverter/Cabling/Array mounting experience
- Documentation: GST registration, PAN, prior project experience certificates, financial statements, OEM authorizations, technical bid documents, EMD submission
- Penalties: liquidated damages and performance penalties to be governed by the general terms and contract delivery period
Key Specifications
-
- Category: INVERTER with multiple MPPTs and three-phase output
-
- Rated power: specify MW scale per system (KW) and number of units
-
- Maximum input current per MPPT: numeric value provided by bidder
-
- Operating voltage range: specified by inverter model
-
- Protection: IP rating, insulation monitoring, grid monitoring, THD, PF at rated output
-
- Display: local display type; data transmission interface for cloud storage
-
- Add-ons: DC/AC distribution boards, ISI-marked cables with defined cross-section, core count, cable length
-
- Warranty: minimum output wattage guarantee over contract period
-
- Mechanical: mounting structure material, junction box material and IP rating, wind load handling
Terms & Conditions
-
Delivery quantity may vary by up to 25% per order with a 30-day minimum extension
-
Bidder must provide OEM authorizations and device-level ISI/IEC compliance where applicable
-
Provide dc input protection devices and ac distribution with proper enclosure IP protection
-
All cables must be ISI marked and compliant with inverter ratings
Important Clauses
Payment Terms
EMD amount and exact payment milestones are defined in buyer terms; expect staged payments aligned with delivery and acceptance.
Delivery Schedule
Delivery period follows the last date of the original delivery order; option-driven extensions require a minimum 30 days and adjusted timelines.
Penalties/Liquidated Damages
Penalties to be applied per contract norms for delays and non-compliance; LD rates to be specified in contract appendices.
Bidder Eligibility
-
Experience in supplying and installing three-phase inverter rooftop solar systems
-
Demonstrated capability with ISI/IEC-compliant inverters and cabling
-
Financial stability evidenced by recent financial statements and GST compliance
Documents 4
GeM-Bidding-8866158.pdf
Main Document
CATALOG-Specification-1
CATALOG Specification
Buyer uploaded ATC document
ATC
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS
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Solar Power Plant (Roof Top) for ONGRID System, Three Phase (V2)
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Closed:
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Tender Results
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Technical Specifications
1 Item
Item #1 Details
View Catalog| Category | Specification | Requirement |
|---|---|---|
| INVERTER | Rated output power of inverter (Kw) | 5 |
| INVERTER | Switching Device | IGBT |
| INVERTER | Number of MPPT per inverter (in Nos) | 2 |
| INVERTER | Number of string at input side of inverter ( input port +ve and -ve) ( hint: 1 sets contains 1 +ve and 1 -ve port) | 2 sets |
| INVERTER | Operating Voltage Range of Inverter | 200 V to 1000 V |
| INVERTER | Over load support at Input side, DC - Maximum (in %) | 30 |
| INVERTER | Maximum input current for each MPPT (in A) | 28.5 |
| INVERTER | Service condition | Outdoor |
| INVERTER | Ingress protection rating of inverter | IP 65 (for outdoor use) |
| INVERTER | Cooling medium for inverter | Nature air cooled |
| INVERTER | Manual switch for disconnecting DC supply | Yes |
| INVERTER | Inverter mounting type | Wall Mounted |
| INVERTER OUTPUT | Maximum current for 3 phase inverter (in A) | 100 |
| INVERTER OUTPUT | Inverter auto trip at output side | Lower : at 160 V, Higher : at 285 V with adjustable |
| INVERTER OUTPUT | Overall Efficiency (in %) | >/= 98 Or higher |
| PROTECTION FOR INVERTER | Overload protection | 125% for 30 sec |
| PROTECTION FOR INVERTER | Over temperature protection | Yes at 65 Deg. C Cooling Fan will auto switch ON |
| PROTECTION FOR INVERTER | Insulation Resistance Monitoring | Yes |
| PROTECTION FOR INVERTER | Grid Monitoring protection | Yes |
| PROTECTION FOR INVERTER | THD (in %) | <1.5% |
| PROTECTION FOR INVERTER | Power factor at rated out put power | >/= 0.9 |
| PROTECTION FOR INVERTER | Inverter body material | Aluminium Casting |
| SERVICE CONDITION | Operating temperature | -25 to +60 deg. C |
| DISPLAY FEATURES ON INVERTER | Type of display | LCD |
| 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 | Circuit Breaker for input side (DC side) for each inverter | MCB 15 A |
| Add on items - CABLE FOR INPUT | Electric Cable for Input | 1C x 6 Sq. mm, Copper Cable (as per IS 694) |
| Add on items - CABLE FOR INPUT | Cable Length for PV Module to Inverter, DC (in m) | 20 |
| Add on items - AC DISTRIBUTION BOARD | AC Distribution Panel Board (DPB) for controlling the AC power from PCU/inverter | 3 Phase 415 Volt +/- 10%, 50 HZ +/-3 Hz |
| Add on items - AC DISTRIBUTION BOARD | Ingress protection (Enclosure protection) of AC Distribution Box | IP65 for outdoor |
| Add on items - AC DISTRIBUTION BOARD | Circuit Breaker for output side (AC side) for each inverter | MCB 40 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 | Material of cable conductor | Copper |
| Add on items - CABLE FOR OUTPUT | Number of Core (in Nos) | 3 |
| Add on items - CABLE FOR OUTPUT | Cross sectional Area of conductor (in sq mm) | 10 |
| Add on items - CABLE FOR OUTPUT | Cable length for output side (from inverter to Net Meter for each system ) (in m ) | 20 |
| 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 | Danger boards and signages | 2 No. |
| ARRAY STRUCTURE | Material of mounting structure for mounting the modules/ panels/arrays | Structural Steel, Grade: E300 (as per IS 2062) |
| JUNCTION BOX | Material of Junction Box | GRP (Glass reinforced plastic) |
| JUNCTION BOX | Ingress protection (Degree of Protection) for Junction Box | IP65 |
| Wind Load | Regional wind withstand capacity which the Mounting structure of PV system support is suitable to withstand (in Km/Hour) | 150 |
| WARRANTY & GUARANTEE | Minimum guarantee for maintaining of output 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
Permanent Account Number (PAN) card
3
Experience certificates for similar solar rooftop/inverter projects
4
Financial statements (last 2-3 years)
5
EMD deposit proof (as per tender terms)
6
Technical bid documents outlining inverter specs and accessories
7
OEM authorization / dealership certificates for components
8
Any ISI/ISO/industry certifications relevant to inverters and cables
Frequently Asked Questions
Key insights about GUJARAT tender market
How to bid for the solar inverter rooftop tender in Gujarat 2026
Bidders should submit GST, PAN, financial statements, and experience certificates, plus OEM authorizations for inverters and cables. Include technical bid detailing MPPT count, input/output currents, protection features, and cloud data interface. Ensure ISI/IEC standard compliance and provide EMD as per buyer terms.
What documents are required for Gujarat solar tender submission 2026
Required documents include GST certificate, PAN, two or more experience certificates for similar projects, last 3 years financial statements, OEM authorizations, technical bid, EMD proof, and warranty/maintenance commitments for rooftop inverter systems.
What standards and certifications are demanded for inverters in this tender
Bidders must demonstrate ISI/IEC compliance where applicable, THD limits, grid monitoring protection, and PF at rated output. Cables should be ISI marked; enclosure IP ratings and wind-load compliance for mounting structures are required.
When is delivery expected after order for Gujarat solar project 2026
Delivery terms reference a last-date-of-delivery order; extensions may be granted with minimum 30 days. If quantity increases by 25%, additional time is calculated with a proportionate extension, ensuring timely completion.
What is the EMD requirement for the Gujarat rooftop inverter tender
EMD details are not disclosed in the available data; bidders should review the official buyer terms to determine the exact EMD amount, mode of payment, and submission timing for compliance.
What cables and distribution equipment are specified for this solar tender
The tender calls for ISI-marked input cables, DC/AC distribution boards, enclosure IP-rated boxes, circuit breakers for input and output sides, and cloud data transmission interface for power data to the net meter.
What is the wind load requirement for mounting structures in Gujarat tender
The bid requires mounting structures to withstand regional wind loads; precise Km/Hour rating is specified in the tender documents and must align with local climate data for Gujarat.
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Documents 4
GeM-Bidding-8866158.pdf
Main Document
CATALOG-Specification-1
CATALOG Specification
Buyer uploaded ATC document
ATC
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS