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Compare · D vs TAC

D vs TAC

Side-by-side comparison of Dominion Energy Inc. (D) and TransAlta Corporation (TAC): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both D and TAC operate in Electric Utilities: Central (Utilities), so they compete in similar markets.
  • D is the larger of the two at $55.40B, about 14.8x TAC ($3.75B).
  • Over the past year, D is up 14.0% and TAC is up 42.0% - TAC leads by 27.9 points.
  • TAC has been more active in the news (7 items in the past 4 weeks vs 4 for D).
  • D has more recent analyst coverage (25 ratings vs 12 for TAC).
PerformanceD+14.03%TAC+41.96%
2025-05-06+0.00%2026-05-06
MetricDTAC
Company
Dominion Energy Inc.
TransAlta Corporation
Price
$62.39-0.92%
$12.84+1.78%
Market cap
$55.40B
$3.75B
1M return
-0.59%
-5.31%
1Y return
+14.03%
+41.96%
Industry
Electric Utilities: Central
Electric Utilities: Central
Exchange
NYSE
NYSE
IPO
News (4w)
4
7
Recent ratings
25
12
D

Dominion Energy Inc.

Dominion Energy, Inc. produces and distributes energy. The company operates through four segments: Dominion Energy Virginia, Gas Distribution, Dominion Energy South Carolina, and Contracted Assets. The Dominion Energy Virginia segment generates, transmits, and distributes regulated electricity to residential, commercial, industrial, and governmental customers in Virginia and North Carolina. The Gas Distribution segment engages in the regulated natural gas gathering, transportation, distribution, and sales activities, as well as distributes nonregulated renewable natural gas. This segment serves residential, commercial, and industrial customers. The Dominion Energy South Carolina segment generates, transmits, and distributes electricity and natural gas to residential, commercial, and industrial customers in South Carolina. The Contracted Assets segment is involved in the energy marketing and price risk activities. As of December 31, 2020, the company's portfolio of assets included approximately 30.2 gigawatt of electric generating capacity; 10,500 miles of electric transmission lines; 85,600 miles of electric distribution lines; and 94,200 miles of gas distribution lines. It serves approximately 7 million customers. The company sells electricity at wholesale prices to rural electric cooperatives and municipalities, as well as into wholesale electricity markets. The company was formerly known as Dominion Resources, Inc. and changed its name to Dominion Energy, Inc. in May 2017. Dominion Energy, Inc. was incorporated in 1983 and is headquartered in Richmond, Virginia.

TAC

TransAlta Corporation

TransAlta Corporation owns, operates, and develops a diverse fleet of electrical power generation assets in Canada, the United States, and Australia. It operates through six segments: Hydro, Wind and Solar, North American Gas, Australian Gas, Alberta Thermal, and Centralia. The company owns and operates hydro, wind and solar, natural gas-fired, and coal-fired facilities. It also engages in wholesale trading of electricity and other energy-related commodities and derivatives; and related mining operations and natural gas pipeline operations. The company serves municipalities, medium and large industries, businesses, and utility customers. TransAlta Corporation was founded in 1909 and is headquartered in Calgary, Canada.