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Here’s Everything You Need To Know About Grid-Connected Renewable Energy System


The energy sector is undergoing massive transformation, with an emphasis on clean energy from renewable systems such as solar, wind and bioenergy. Even though renewable energy systems do not require any connection to the electricity grid to generate electricity, a number of people prefer to use the connection to the grid. Electricity grids are being modified to integrate renewable energy sources, improve energy efficiency and allow consumers to better control their energy consumption.

Advantages of a grid connection

A grid connection allows the consumer to draw electricity even when renewable resources are not available. This eliminates the expense of purchasing batteries for storing electricity. When not in use, excess electricity produced by renewables can be fed back into the grid.

Electric utilities also offer net metering, which ensures that the user only pays for the additional electricity consumed by renewable energy systems connected to the grid.

Grid connection can also help distribute excess power to states that need it. The penetration of renewable energies varies greatly from state to state in India. The share of solar and wind renewables in Tamil Nadu, Karnataka, Kerala, Andhra Pradesh, Telangana, Gujarat, Rajasthan, Maharashtra, Madhya Pradesh and Punjab is above the national average of 8 , 2%, DowntoEarth reported. Grid connection can meet the current challenge of expanding access to reliable energy to other states.

One-time investment

Installing a grid-connected renewable energy system requires a one-time investment in equipment to deliver electricity safely to the consumer’s home. The consumer will also need to talk to the electricity supplier to find out the specific grid connection requirements before purchasing the equipment.

Renewable energies in India

India’s renewable energy sector is expected to boom in 2022, attracting total investments of more than $ 15 billion, according to reports. Currently, India has an installed renewable power generation capacity of over 150 GW, which the government aims to increase to 175 GW by 2022, PTI reported. Of the 175 GW target, 100 GW will come from solar power, 60 GW from wind, 5 GW from small hydropower projects and 10 GW from bioenergy.

As of November 30, the solar energy installed in the country was 48.55 GW, wind power 40.03 GW, bioenergy 10.62 GW, small hydropower 4.83 GW and large hydropower. at 46.51 GW. India also has an installed power capacity based on nuclear power of 6.78 GW. The country’s combined non-fossil installed energy capacity was 157.32 GW, or 40% of India’s total installed electricity capacity of 392.01 GW.

India has set a target of generating 500 GW of installed capacity of renewable energy by 2030.

Government efforts

The government has implemented a solar park development program to facilitate large-scale grid-connected solar energy projects. Solar power developers can benefit from a plug and play model of these solar parks using the necessary infrastructure such as land, electricity disposal facilities, road connectivity, water supply facilities and statutory authorizations. The government has already sanctioned 40 solar parks in 15 states with a cumulative capacity of 26.3 GW.

The government has also launched the Green Energy Corridor (GEC) projects to reshape the networks according to future needs. As part of the first phase of the program, the interstate GEC was completed in March 2020. The interstate GEC has a capacity of 3,200 one-kilometer circuit (ckm) transmission lines and substations. with a capacity of 17,000 MVA.

Last week, the Cabinet Committee on Economic Affairs (CCEA) approved the second phase of the GEC for 10,750 ckm intrastate transmission lines and 27,500 MVA capacity substations.

The second phase of GEC will facilitate grid integration and energy removal of approximately 20 GW of renewable energy in Gujarat, Karnataka, Himachal Pradesh, Uttar Pradesh, Rajasthan, Kerala and Tamil Nadu.

(Edited by : Shoma bhattacharjee)


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