Business Model Canvas

Solar Project with Net Metering

At Tata Power-DDL, our mission is to provide consumers with the most comprehensive and end-to end solutions to get them on the path of significant savings for the next 25 years. The following model has been proposed in line with DERC’s Net Metering Guidelines proposed for renewable energy generation for self-consumption.

To facilitate the consumers for installation of rooftop solar projects, Tata Power-DDL has undertaken open competitive techno-commercial bidding procedure to empanel implementation agencies which will install solar projects on turnkey basis with optional comprehensive AMC for solar plants for a period of 5, 7or 10 years.

Three Agencies, that are empanelled with Ministry of New & Renewable Energy, Govt. of India as channel partner with highest Grading of “SP 1A”, have been short listed as empanelled vendor for Tata Power-DDL Consumers –

  1. M/s Tata Power Solar
  2. M/s Su-Kam Power Systems Ltd.
  3. M/s Jakson Engineers Limited

All empanelled Agencies will be available for installation of Solar Projects of capacity ranging from 1 kWp to more than 500 kWp at Tata Power-DDL’s Consumer’s premises at prices determined through competitive bidding (attached as Annexure below).

Tata Power-DDL shall facilitate its consumers through “project supervision & monitoring” at a nominal charge and ensure standardization of quality with strict adherence to safety of the projects.

Benefits to Tata Power-DDL Customers from Tata Power-DDL Services

Tata Power-DDL Services Benefit to Customers
Empanelment of Implementing Agency with open competitive bidding 1. Optimum price with superior technology
2. Benefit of Economy of Scale
Standardization of Equipment Specification & Technology Ensuring Quality of Solar Plant
Verification of Engineering Design and Array Layout for each consumer after joint site survey Customized design of optimum solar capacity  for customer
Facilitation to finalize terms & conditions for supply, installation and AMC Ensuring smooth transaction and proper execution for solar project
Dedicated technical team to monitor & facilitate installation, testing and commissioning of the Solar Plants Ensuring Quality and Safety for Solar Plant Execution

Benefits to Tata Power-DDL Customers from Tata Power-DDL’s Empanelled Implementing Agency

Implementation Agency Services Benefit to Customers
Supply of material as per Tata Power-DDL Benchmark, modules with 25 years warranty and Solar Plants with 5, 7 or 10 years’ warranty Ensuring Quality of material/Best quality materials
Installation of project within timeline* with adherence to Tata Power-DDL  Safety & Quality Guidelines Ensuring standard of quality and safety
Committing Performance  Ratio for Solar Plant for 25 years Ensuring proper generation of Solar Plant
Optional AMC including cleaning  and comprehensive warranty for Solar Plant - for 5, 7 or 10 years Ensuring hassle free service  and Performance Warranty


Tata Power-DDL shall discharge its respective obligations towards applicant consumers strictly as per its scope of activities. The performance of the plant, equipment installed at consumer site shall not be construed as liability, responsibility of Tata Power-DDL. Any untoward incident, mishap etc. at plant site resulting in loss of life, property shall be the sole risk, responsibility of consumer, implementing agency as the case may be, without any recourse to Tata Power-DDL. Tata Power-DDL shall not be held responsible, liable for any failure, non-compliance of the technical specifications of the proposed Solar PV plant. Consumer shall bear sole liability for maintaining the solar PV plant as per the prevailing laws, regulations notified from time to time as well as security of the plant.

*Timeline for installation of Solar Projects with different capacities will be as follows:-

Capacity (in KWp)

Timeline for Installation

1 – 10

3 Weeks

11 – 50

6 Weeks

51 – 100

8 Weeks

101 – 500

10 weeks

Above 500

12 weeks

Sample economics for a solar project for Tata Power-DDL consumers

  • Sanctioned Load 30 KW
  • Solar Capacity Installed 25 KWp
  • Cost of Supply & Installation Rs. 17.56 Lakhs**
  • Cost of Comprehensive AMC for 5 years Rs. 74,275
  • Annual Savings in Electricity Bill Rs. 4.5 Lakhs (approximately.)
  • Benefit in Income Tax due to Accelerated Depreciation Rs. 6.0 Lakhs (approx.)

**includes Tata Power-DDL Service Charges @1.5%


The example given above is purely for illustrative purpose and Tata Power-DDL in no way confirms the accuracy of the same. Savings (if any) shall be determined as per variety of factors, including but not limited to CUF of the plant, climactic conditions, consumer consumption, efficiency of the plant, rules regulations and tariff as notified from time to time. Tata Power-DDL is not liable in case of difference in illustrated and actual savings.

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