GEM

Satara District Panchayats On-Grid Rooftop Solar PV Plant Tender Maharashtra 2026 - SPV Inverter, IS/IEC Standards

Q: What is the estimated contract value and scope for Satara SPV tender?

Estimated value is **₹500,000.00**. Scope covers turnkey rooftop PV plant installation, PV array mounting, grid-tied operation, installation and testing, plus associated cabling, DC/AC distribution, and data interface for power data storage and cloud access.

Q: When is delivery expected under the option clause for quantity changes?

The purchaser may adjust quantity up to **25%** and extend delivery time using the formula: (Increased quantity ÷ Original quantity) × Original delivery period, with a minimum of 30 days. Delivery commences from the last date of the original delivery order.

Bid Publish Date

10-Jan-2026, 11:44 am

Bid End Date

20-Jan-2026, 12:00 pm

Value

₹5,00,000

Location

SATARA , MAHARASHTRA

Progress

Issue10-Jan-2026, 11:44 am

AwardPending

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Quantity

Tender Overview

Organization: Satara District Panchayats (Department Of Panchayati Raj) seeks an on-grid rooftop solar PV plant for a single-phase system with grid connectivity in Satara, Maharashtra. Estimated value: ₹500,000.00. Scope focuses on a complete installation, testing, PV array mounting, and grid-tied SPV operation. Unique emphasis on inverter specifications, DC/AC distribution, and cloud data interface for power generation data. Project differentiators include comprehensive wiring, cabling, and protection schemes, including wind-load compliant mounting and ISI-marked components where specified. This tender targets qualified solar integrators capable of delivering a turnkey rooftop solar solution within city-level regulatory context.

Technical Specifications & Requirements

PV Array Mounting and Grid tied SPV system integration with installation and commissioning.
Inverter category: rated output power (kW), MPPT count, input/output voltage ranges, overload protection, and protection features (over temperature, surge, insulation monitoring).
Protection & monitoring: grid monitoring, power factor at rated power, ingress protection, thermal management, and data interface for cloud storage; includes data logger and net meter integration.
Add-on items: DC/AC distribution boards, ISI-marked cables (input/output), cabling, danger boards, and junction boxes; wind-load compliance and mounting material listed.
Wind/load standards: mounting to withstand local wind speeds; region-specific wind velocity test compliance.
Warranty: minimum guarantee on maintained output watt peak capacity.
BoQ: no itemized BOQ; overall system scope centers on complete system installation and testing.

Terms, Conditions & Eligibility

Option clause: Purchaser may increase/decrease quantity up to 25% at contracted rates, with extended delivery time formula applied.
Scope: Bid price must include all costs for supply of Goods; installation and testing are within scope per terms.
Documents required: GST registration, PAN, experience certificates, financial statements, EMD/security documents, OEM authorizations, and technical bid materials.
Delivery: Compliance with delivery timelines and extended periods under option clause; payment terms not specified here.
Compliance: Adherence to generic and inverter-specific requirements, including ISI marking for cables and protection devices; wind-load and environmental conditions considered.

Key Specifications

Estimated value: ₹500,000.00
System type: on-grid rooftop solar PV plant (single-phase)
Inverter: rated output power (KW), MPPT count, input/output voltage ranges
Protection: overload, over temperature, surge, insulation resistance monitoring, grid monitoring
Cable & distribution: ISI Marked cables, DC/AC distribution boards, cable lengths
Data interface: generating power data storage facility and cloud storage transmission interface
Wind load: mounting structure designed for specified wind zone; wind velocity test compliance
Junction boxes, mounting structure, cable bus bars: specified materials and enclosure IP ratings

Terms & Conditions

EMD amount not stated; bidders should follow terms for deposit per local procurement norms
Option clause allows +/-25% quantity adjustment and extended delivery as per formula
Scope of supply indicates only supply of goods with installation/commissioning as per terms

Important Clauses

Payment Terms

Payment terms unspecified in data; bidders should align with organization standard practice and contract terms for India government tenders, including milestone-based payments if specified in final contract

Delivery Schedule

Delivery period scalable via option clause; final delivery time to be calculated from last date of original delivery order and extended periods if option exercised

Penalties/Liquidated Damages

No explicit LD details provided; bidders should expect general government LD clauses for delays and non-performance per standard procurement rules

Bidder Eligibility

Experience in supply and installation of grid-tied rooftop SPV systems
Demonstrated capability to procure and install ISI-marked cables and DC/AC distribution boards
Financial stability evidenced by contemporaneous financial statements and tax registrations

Closed: 8 January 2026

GEM

Technical Specifications 3 Items

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)	1
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.)	1
INVERTER	No. of string at input side of inverter ( input port +ve and -ve) ( hint: 1 sets contains 1 +ve and 1 -ve port)	1 set
INVERTER	Maximum power point tracker	Integrated in the PCU/inverter to maximize energy drawn from the array
INVERTER	Operating Voltage Range of Inverter	100 V to 500 V
INVERTER	Over load support at Input side, DC	15% of Maximum Input Voltage
INVERTER	Maximum input current for each MPPT (in A)	11
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	No
INVERTER	Inverter mounting type	Wall Mounted
INVERTER OUT PUT	Maximum current for single phase inverter (in A)	5.2
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 %)	>96
PROTECTION FOR INVERTER	Overlod protection	110% for 1 Minute,
PROTECTION FOR INVERTER	Over temperature protection	Yes at 65 Deg. C shutdown
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	Aluminium Casting
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 32 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 6 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 )	25
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: E300 (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

Item #2 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)	1
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.)	1
INVERTER	No. of string at input side of inverter ( input port +ve and -ve) ( hint: 1 sets contains 1 +ve and 1 -ve port)	1 set
INVERTER	Maximum power point tracker	Integrated in the PCU/inverter to maximize energy drawn from the array
INVERTER	Operating Voltage Range of Inverter	50 V to 500 V
INVERTER	Over load support at Input side, DC	15% of Maximum Input Voltage
INVERTER	Maximum input current for each MPPT (in A)	11
INVERTER	Service condition	Indoor
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 OUT PUT	Maximum current for single phase inverter (in A)	5.2
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	0.8
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	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	Inbuilt Wifi Enabled
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 10 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)	5
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	IP54 for Indoor
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 10 A
Add on items - CABLE FOR OUTPUT	ISI Marked Connecting cables according to Inverter rating for each system.	From Inverter to Net Meter
Add on items - CABLE FOR OUTPUT	Conformity of the specification for cable	2C x 6 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 )	5
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	1 No.
ARRAY STRUCTURE	Material of mounting structure	Structural Steel, Grade: E300 (as per IS:2062:2011 latest)
JUNCTION BOX	Material of Junction Box	GRP( Glass reinforced plastic)
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

Item #3 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)	2
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.)	1
INVERTER	No. of string at input side of inverter ( input port +ve and -ve) ( hint: 1 sets contains 1 +ve and 1 -ve port)	1 set
INVERTER	Maximum power point tracker	Integrated in the PCU/inverter to maximize energy drawn from the array
INVERTER	Operating Voltage Range of Inverter	80 to 500 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	Nature air 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 %)	>96
PROTECTION FOR INVERTER	Overlod protection	125% for 30 sec.,
PROTECTION FOR INVERTER	Over temperature protection	Yes at 65 Deg. C shutdown
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	Aluminium Casting
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 RS485
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)	25
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	IP54 for Indoor
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
Add on items - CABLE FOR OUTPUT	Conformity of the specification for cable	2C x 6 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: E300 (as per IS:2062:2011 latest)
JUNCTION BOX	Material of Junction Box	GRP( Glass reinforced plastic)
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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Historical Data

Required Documents

GST registration certificate

Permanent Account Number (PAN) card

Experience certificates for similar solar rooftop installations

Financial statements (audited) / annual turnover evidence

EMD documents (amount not specified in data, provide as advised by terms)

Technical bid documents demonstrating inverter and protection features

OEM authorizations or channel partner certificates

Project execution & warranty commitments

Frequently Asked Questions

Key insights about MAHARASHTRA tender market

How to bid for the Satara solar rooftop tender in Maharashtra 2026?

Bidders should prepare GST registration, PAN, experience certificates, financial statements, and EMD documents. Include OEM authorizations and technical bid detailing inverter specs, MPPTs, wind-load mounting, and ISI-marked cables. Ensure cloud data interface capabilities and net meter compatibility. Follow the option clause for quantity adjustments and submit all documents under the Terms.

What documents are required for Satara rooftop SPV procurement 2026?

Required documents include GST certificate, PAN, experience certificates of similar rooftop installations, audited financial statements, EMD documentation, technical bid with inverter specifications, OEM authorizations, and warranty commitments. Ensure DC/AC distribution board details and ISI-marked cables are covered in the bid packet.

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

The inverter must specify rated output power in KW, number of MPPTs, input/output voltage ranges, maximum input current per MPPT, protection features (overload, over temperature, surge), grid monitoring, and overall efficiency. It should support cloud data transmission and have an appropriate IP rating for outdoor installation.

What is the estimated contract value and scope for Satara SPV tender?

Estimated value is ₹500,000.00. Scope covers turnkey rooftop PV plant installation, PV array mounting, grid-tied operation, installation and testing, plus associated cabling, DC/AC distribution, and data interface for power data storage and cloud access.

When is delivery expected under the option clause for quantity changes?

The purchaser may adjust quantity up to 25% and extend delivery time using the formula: (Increased quantity ÷ Original quantity) × Original delivery period, with a minimum of 30 days. Delivery commences from the last date of the original delivery order.

What wind-load and mounting standards apply to Satara rooftop SPV?

Mounting structures must withstand the local wind zone, comply with wind velocity testing for PV mounting, and be rated for the regional wind speed in Km/Hour. This ensures installation integrity against wind-driven loads.

Are ISI-marked cables mandatory for both DC and AC sides?

Yes. The tender specifies ISI-marked cables according to inverter rating for both DC input and AC output paths. Cables must conform to stated lengths, insulation requirements, and be supported by corresponding DC/AC distribution panels with proper IP ratings.

What is the required warranty/guarantee for peak watt output?

The tender requires a minimum warranty/guarantee for maintaining peak watt capacity of the PV array. Vendors should state the warranty duration and conditions for performance guarantees and any AMC options within the technical bid.

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CATALOG Specification

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CATALOG Specification

GEM General Terms and Conditions Document

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Satara District Panchayats On-Grid Rooftop Solar PV Plant Tender Maharashtra 2026 - SPV Inverter, IS/IEC Standards

Tender Overview

Technical Specifications & Requirements

Terms, Conditions & Eligibility

Key Specifications

Terms & Conditions

Important Clauses

Payment Terms

Delivery Schedule

Penalties/Liquidated Damages

Bidder Eligibility

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Technical Specifications 3 Items

Item #1 Details

Item #2 Details

Item #3 Details

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