As we all know India is an energy deficient country. Our fragile economy completely depends upon the electricity generated by our power companies.
Hence, we as a citizen of this country must know some of the top power companies in India. You would be surprised to know that these companies are both private sector as well as public sector companies.
These companies are responsible for supplying electricity to our homes and industries round the clock. Moreover, if you are an electrical engineering graduate then you have a great opportunity to work for one of these companies.
These companies are huge and their profits run into billions of dollars. 
Ranking System: We have ranked companies totally on the basis of their gross revenue and the number of employees and satisfied customers. Popularity of the company is also an issue here.
So let us look at top 10 power generating companies operating in India.
1. NTPC Limited
The number one company in our countdown list is NTPC Limited also known as National Thermal Power Corporation. The company is completely state owned and was founded in year 1975. According to the forbes the company is 384th in the world.
- Services: Electricity generation and distribution, natural gas exploration, production, transportation and distribution
- Revenue: Total revenue generated by NTPC is around $12.8 billion to $13 billion.
- Employees: It has more than 25,000 all over India.
- Headquarter: The company is based in New Delhi, Arup Choudhary is the chairman and MD of the company.
- Website: www.ntpc.co.in
2. Power Grid Corporation of India
The second company in our list is Power Grid Corporation of India. This company also is a state owned enterprise founded in the year 1992. Power grid transmits 50% of total power generated in India on its transmission network.
This electric utilities company is present in 210 locations around the country.
- Services: Some of the key services offered by the company are transmission and distribution; energy trading
- Revenue: The estimated revenue generated by the company is more than $650 million..
- Employees: The company has over 12000 employees working all over the country.
- Headquarter: The company is headquartered at Gurgaon, India and Shri R N Nayak is MD and chairman of the company
- Website: www.PowerGridindia.com
3. NHPC Limited
The third power generating company in India is NHPC limited. National Hydroelectric Power Corporation was established in 1975. NHPC has over 17 hydroelectric power plants in states like HP, Manipur, J & K etc.
NHPC limited has planned to build 6 new dams in coming years to generate electricity. Hydro electricity is a form of green energy and it helps of reduce Co2 footprint.
- Services: The key products of the company are Electricity generation, energy trading
- Revenue: The total revenue of NHPC limited is around $1.1 billion.
- Employees: Employees could be anywhere from 8000 to 10,000
- Headquarter: The company is based in Faridabad, UP and G Sai Prasad is the chairman and MD of the company.
- Website: www.nhpcindia.com
4. Adani Power
The fourth company in our top 10 list is Adani power limited. Adani power is largest private sector power Generation Company in India. It is a business arm of conglomerate Adani group. The company is India’s largest thermal power private company.
It is also largest solar power generating company in India.
- Services: Some of the key services are Electricity generation, transmission and distribution; energy trading
- Revenue: The total revenue of the Adani Power has crossed $1 billion mark and it is growing.
- Employees: The company has more than 2000 employees in India
- Headquarter: The company is based in Ahemdabad, Gujarat and Gautam Adani is the chairman.
- Website: www.adanipower.com
5. Reliance Infrastructure
The fifth power generation company in India is Reliance Infrastructure. It is also a private sector company and was founded in the year 2002.
Reliance Infrastructure is the India’s largest private sector enterprise. It is sole distributor of electricity in suburbs of Mumbai.
- Services: Some of their services are Electricity generation and distribution, natural gas exploration, production, transportation and distribution
- Revenue: Total revenue of the company is $2.7 billion to $3 billion.
- Employees: There are over 9000 employees working for Reliance Infrastructure.
- Headquarter: The company is based in Mumbai and Anil Ambani the chairman of the company. It has operations in AP and other states also.
- Website: www.rinfra.com
6. Jaiprakash Power
Jaiprakash Power comes under the Jaypee Group conglomerate. It is sixth largest power generating company in India. It is also a private sector company. The company was founded in 1979 by Jai Prakash Gaur.
- Services: Jaypee Group offers service like Engineering, Construction, Cement, Power, Hospitality, Real Estate, Expressways and Highways
- Revenue: Total revenue of the company is around $2.1 billion with net income of $270 million.
- Employees: The company has over 20,000 employees all over India.
- Headquarter: The company is based Noida and Jai Prakash Gaur is the chairman.
- Website: www.jalindia.com
7. Tata Power
The seventh company is our countdown list is Tata Power. The core business of the company is to generate, transmit and distribute electricity.
The company was founded in 1911 by Dorabji Tata. Tata Power has operations in Indian, Singapore, Indonesia, South Africa and Bhutan.
- Services: Some of its services are Electricity generation and distribution, natural gas exploration, production, transportation and distribution
- Revenue: Total revenue of the company is well over $5 billion with profit of $990 million.
- Employees: There are over 4000 to 5000 employees working for the company.
- Headquarter: The company is based in Mumbai with power plant in many other states.
- Website: www.tatapower.com
8. Reliance Power
The eighth company in our top 10 list is Reliance power. The company was founded in the year 2007 by the Anil Dhirubhai Ambani Group.
- Services: Services given by Reliance power are Electricity generation and distribution, natural gas exploration, production, transportation and distribution
- Revenue: Total revenue of the company is around to $290 million to $300 million and net profit is around $120 million.
- Employees: Total employees working for Reliance power are expected to be 2000 to 3000.
- Headquarter: The company is headquartered in Navi Mumbai and headed by Anil Ambani.
- Website: www.reliancepower.co.in
9. Neyveli Lignite Corporation
The ninth power generating company in our list is Neyveli Lignite Corporation. It is a government owned mining and power generating company. The company was founded in the year 1956.
- Services: Some of the services given by the company are electricity generation and distribution, hydroelectricity, wind power, energy trading
- Revenue: Total revenue of the company is $750 million with net profit of $220 million.
- Employees: Total employees are well over 19000
- Headquarter: The company is headquartered in Chennai and Surendar Mohan is the Chairman and MD of the company.
- Website: www.nlcindia.com
10. JSW Energy
The last power generating company in our top 10 list is JSW energy. The company has four power plants in Maharashtra, Rajasthan, Chhattisgarh and West Bengal.
The company was founded in the year 1994.
- Services: Some of the products of the company are Natural gas production, sale and distribution, electricity generation and distribution, hydroelectricity, wind power, energy trading.
- Revenue: The total revenue of the company over $610 million until now.
- Employees: There are over 5000+ employees working for JSW energy.
- Headquarter: The company is based in Mumbai and Sajjan Jindal is the chairman.
- Website: www.jsw.com
So this was the list of top 10 power companies in India. To know more about each of these companies you can visit their respective websites.