Support to Chhattisgarh Renewable Energy Development Agency (CREDA)

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With the positive support from the Government of Chhattisgarh, the Chhattisgarh Renewable Energy Development Agency has implemented approximately 20 MW rooftop and small capacity solar photovoltaic power generation projects by end of 2011. These systems were implemented off-grid and the Nodal Agency was approaching the Chhattisgarh State Electricity Regulatory Commission for making suitable norms for connectivity with the electricity grid and announce suitable feed-in tariff for sale of electricity generated to the distribution licensee. They also intended to devise suitable mechanism for net energy metering mechanism for the State.

The State is having an installed capacity of approximately 6,864 MW as of 2012 together with allocation of 1,538 MW from Central sector generating stations. The State possess an installed capacity of approximately 308 MW based on renewable resources of energy. The target distribution loss at the 33kV voltage level were recorded approximately 28% (in many States, the Commissions’ have classified the distribution losses as controllable items and has made a provision of sharing of gains/losses on account of it). In Chhattisgarh, a provision has been made by the Regulatory Commission that one-third amount of gain on account of better achievement in reference with the target distribution losses shall be retained by the distribution licensee and reasonable portion of this amount should be used for funding the incentive scheme(s) for the employees for the purpose of improving performance of the respective company).

It has been observed that most parts of the State receives solar radiation between 1,800kWh/m2 and 2,000kWh/m2, giving fair scope for implementation of rooftop solar photovoltaic projects following net energy metering as well as gross metering mechanism. The net energy metering mechanism shall aid in reducing the power purchase from the short term market together reduction in network losses associated with the distribution of electricity to the end consumer, whereas gross metering mechanism shall aid in supporting the distribution licensees in complying with the solar purchase obligation targets specified by the Commission.

During the analysis it has been found that the State of Chhattisgarh qualifies among few States in India where the availability of grid is for more than 95%, even in low voltage segment, on annual basis. This builds up strong case for promoting the deployment of rooftop solar photovoltaic projects following net energy metering mechanism. Further, the Commission has specified progressive solar purchase obligation for the distribution licensees and thus depicting strong case for deployment of rooftop solar photovoltaic projects under gross metering mechanism enabling the licensee to comply with the targets specified by the Commission.

ComSolar has also supported the Chhattisgarh Renewable Energy Development Agency in preparing suitable recommendations for implementing net energy metering mechanism for submission to the Regulatory Commission. ComSolar is also supporting the State Electricity Regulatory Commission on aspects related to determination of feed-in tariff for rooftop solar photovoltaic segment.

Summary

  • GIZ is assisting Chhattisgarh Renewable Energy Development Agency in developing recommendations for encouraging rooftop solar photovoltaic projects under Net Energy Metering Mechanism.

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