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17 MW – Tata Power, Mithapur, Gujarat

  • Project size: 17MW
  • Carbon footprint reduced: 24,000 tonnes/year
  • Project type: Power producer
  • Project completion time: 9 months
  • Land area: 71 acres
  • NO. of modules: 74,000
  • Module technology: Crystalline Si, 230 Wp
  • Inverter: ABB 500 kW
  • Homes powered: 15 million/year

The 17MW Mithapur power plant, located in Gujarat and completed in 2012 is proof of our ability to provide quality power solutions that are innovative in design and are timely executed, thus providing value for all stakeholders.

Project Overview

In an effort to fulfill its Renewable Purchase Obligation (RPO) a 17 MW solar power plant in Mithapur, Gujarat was built.

The project was completed in a time period of 9 months and commissioned in January 2012.

In its two years of operation, the project is performing at 83.80% performance ratio and generating more than 30 Million kWh of electricity per year.

Challenges and Solutions

Airstrip proximity:

To overcome the glare provided by conventional solar panels, Tata Power Solar designed and implemented the use of solar panels with Anti Reflective Coating and reducing any risk to flight operations near the Mithapur airstrip.

Irregular site layout:

The design involved several nonstandard rows that accommodated 73,920 modules while minimizing DC losses. With this, Tata Power Solar achieved an effective landscape utilization of less than 4.2 acres per megawatt as against the standard 4.5 acres per megawatt.

High salt content:

To tackle corrosive soil and rough terrain, engineers dewatered each of the 13,440 plant foundation pits, provided mechanized concrete foundations and customized pillar heights. The structures were coated with a special epoxy and hotdip galvanized coating to ensure longer life and protection from corrosion.

Compensating grid connection issues:

Tata Power Solar filtered the voltage fluctuations with the help of an inverter. It also implemented a block power evacuation concept to independently test and transmit generated power from the plant in blocks of 4 MW and above to the plant switchyard.


17 MW Solar Power Project at Mithapur.

Increase in revenue:

The plant generates electricity at a performance ratio of 83.80% and resulted in a revenue increase of Rs.2 crores in the first year of operation.  Graphic/image

17 MW Mithapur Solar Power Plant in Gujarat.

Powering millions:

The Mithapur plant generates more than 30 million kWh of electricity per year that powers the neighboring villages (15 million homes). Graphic/image

Solar Power Plant in Mithapur, Gujarat.

Promote employment within community:

The local community was trained in areas of construction, operations and maintenance thus generating employment for the local community. Graphic/image

Location map