NiSource

NiSource Market capitalization

The The market capitalization of NiSource (NI) as of Nov 6, 2026 is 22.34 B USD. In the previous year, The market capitalization was 22.34 B USD — a change of 0.00% (lower).

Market capitalization

22.34 BUSD

YoY

0.00%

Last updated:

In 2025, NiSource's market cap stood at 22.34 B USD, a 0.00% increase from the 22.34 B USD market cap in the previous year.

The NiSource Market capitalization history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

Market capitalization
Date
Market capitalization
Jan 1, 2018
22.34 B USD
Jan 1, 2019
22.34 B USD
Jan 1, 2020
22.34 B USD
Jan 1, 2021
22.34 B USD
Jan 1, 2022
22.34 B USD
Jan 1, 2023
22.34 B USD
Jan 1, 2024
22.34 B USD
Jan 1, 2025
22.34 B USD
The NiSource Market capitalization history
YEARMarket capitalizationYoY
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD0.00%
22.34 BUSD—

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NiSource Stock analysis

What does NiSource do? NiSource Inc is an American energy company headquartered in Merrillville, Indiana. The company was founded in 1912 in Valparaiso, Indiana and has been listed on the New York Stock Exchange since 1999. NiSource operates in various sectors and offers a wide range of products and services related to energy. History: The roots of NiSource can be traced back to 1912 when the Northern Indiana Gas Company was founded by a group of businessmen in Valparaiso, Indiana. The company grew rapidly and expanded into other cities and communities in Indiana and the surrounding states in the following years. In 1987, Northern Indiana Gas Company merged with Bay State Gas Company from Massachusetts, forming the company NiSource. In the following years, the company continued to expand and acquired other energy companies in Indiana, Ohio, Pennsylvania, Kentucky, and Virginia. Business model: NiSource is an integrated energy company operating in various sectors. The company operates gas and electricity distribution networks in Indiana, Kentucky, Maryland, Massachusetts, Ohio, Pennsylvania, and Virginia. It is also involved in the exploration, production, and storage of natural gas. NiSource is a vertically integrated company that controls the production, distribution, and sale of energy to businesses and customers in the areas it serves. The company has a variety of business segments, including power and gas distribution, energy resources and production, as well as management and operation of energy infrastructure. Segments: NiSource operates in various segments, including power and gas distribution, energy resources and production, and management and operation of energy infrastructure. The largest segment of the company is gas distribution. NiSource operates gas supply networks in Indiana, Ohio, Pennsylvania, Kentucky, and Virginia. This includes approximately 57,000 miles of pipelines and around 3.5 million customers. Power distribution is another important segment of NiSource. The company operates power supply networks in Indiana and Ohio, covering approximately 17,000 miles of lines and serving over 700,000 customers. The energy resources and production segment is responsible for the exploration, production, and storage of natural gas. NiSource is a major gas producer, operating production facilities in Indiana, Kentucky, and Pennsylvania, as well as storage facilities in Pennsylvania and New York. Products and services: NiSource offers a variety of products and services revolving around energy. The main products and services include gas and electricity supply, energy efficiency programs, renewable energy, and energy consulting. NiSource also offers special rates and programs for customers to help them reduce their energy consumption and save money. This includes rates for smart thermostats that automatically adjust heating and cooling to meet the customer's needs, as well as discounts and credits for customers who improve their energy efficiency. Conclusion: NiSource is a significant energy provider in the United States, offering a wide range of products and services related to energy. The company operates in various sectors, including gas and power distribution, energy resources and production, as well as management and operation of energy infrastructure. NiSource is a vertically integrated company that controls the production, distribution, and sale of energy to businesses and customers in the areas it serves. NiSource is one of the most popular companies on Eulerpool.

Market capitalization Details

Exploring NiSource's Market Capitalization

NiSource's market capitalization represents the total dollar market value of the company’s outstanding shares of stock. It is calculated by multiplying the company's shares outstanding by the current market price of one share. This metric is a vital indicator of a company’s size, strength, and overall market value.

Year-to-Year Comparison

A yearly comparison of NiSource's market capitalization provides investors and analysts insights into its growth and valuation trends. An increase signifies market confidence and business expansion, while a decrease may point towards declining market value or business contractions.

Impact on Investments

NiSource's market capitalization plays a pivotal role in investment decisions. It aids investors in assessing the company's risk and return profiles. Larger companies are often considered more stable but may offer lower growth potential, while smaller companies might offer significant growth prospects but come with higher risk.

Interpreting Market Capitalization Fluctuations

Variations in NiSource’s market capitalization can be attributed to several factors, including changes in stock price, outstanding shares, and market sentiment. Understanding these fluctuations helps investors evaluate the company's current standing and future potential in the competitive landscape.

Frequently Asked Questions about NiSource stock

The market capitalization of NiSource is 22.34 B USD in 2025.

The market capitalization of NiSource changed from 22.34 B USD to 22.34 B USD, representing a 0.00% change. The value is lower than the previous year.

On Eulerpool you can find the complete historical development of The market capitalization NiSource since 2006 – with annual values, charts, and detailed analysis.

Market capitalization (German: Market capitalization, English: market capitalisation or market cap) is the calculated total value of all shares of a publicly traded company. The market capitalization of a company reflects the current market consensus on the value of the equity of a publicly traded company. It is determined by the supply and demand for the company's shares. Thus, market capitalization is significantly influenced by expectations in the stock market regarding the future earnings power of the company and, therefore, can be subject to significant fluctuations.

Number of shares * share price = market capitalization

To evaluate The market capitalization's USD, it is essential to compare it with peers in the same industry and sector. On Eulerpool, you can find direct industry comparisons for The market capitalization.

A 'good' USD varies by industry and company stage. On Eulerpool, you can compare The market capitalization's NiSource with sector peers and the industry average to assess whether it is attractive.

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Valuation — NiSource

All Key Metrics — NiSource