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Compare · NGG vs OPAL

NGG vs OPAL

Side-by-side comparison of National Grid Transco PLC National Grid PLC (NEW) (NGG) and OPAL Fuels Inc. (OPAL): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both NGG and OPAL operate in Natural Gas Distribution (Utilities), so they compete in similar markets.
  • NGG is the larger of the two at $80.02B, about 200.8x OPAL ($398.4M).
  • Over the past year, NGG is up 12.5% and OPAL is down 32.0% - NGG leads by 44.5 points.
  • OPAL has been more active in the news (11 items in the past 4 weeks vs 6 for NGG).
  • NGG has more recent analyst coverage (25 ratings vs 9 for OPAL).
PerformanceNGG+12.54%OPAL-32.00%
2025-06-03+0.00%2026-06-03
MetricNGGOPAL
Company
National Grid Transco PLC National Grid PLC (NEW)
OPAL Fuels Inc.
Price
$80.24-0.48%
$2.21-3.07%
Market cap
$80.02B
$398.4M
1M return
-8.30%
+1.61%
1Y return
+12.54%
-32.00%
Industry
Natural Gas Distribution
Natural Gas Distribution
Exchange
NYSE
NASDAQ
IPO
2021
News (4w)
6
11
Recent ratings
25
9
NGG

National Grid Transco PLC National Grid PLC (NEW)

National Grid plc transmits and distributes electricity and natural gas. It operates through UK Electricity Transmission, UK Gas Transmission, US Regulated, and National Grid Ventures (NGV) and Other segments. The UK Electricity Transmission segment owns and operates electricity transmission networks, which comprise approximately 7,236 kilometers of overhead lines. The UK Gas Transmission segment owns and operates gas transmission systems, as well as third-party independent systems and liquefied natural gas (LNG) storage facilities. The US Regulated segments owns and operates transmission facilities across upstate New York, Massachusetts, New Hampshire, Rhode Island, and Vermont; and electricity distribution networks in upstate New York, Massachusetts, and Rhode Island. Its assets comprise 14,439 kilometers of overhead lines; an electricity distribution network of approximately 117,498 circuit miles; and a network of approximately 57,551 kilometers of gas pipeline. The NGV and Other segment engages in the energy metering business; transporting renewable energy long distances through its electricity interconnectors; and storing LNG, as well as commercial property and insurance activities in the United Kingdom. The company was founded in 1990 and is headquartered in London, the United Kingdom.

OPAL

OPAL Fuels Inc.

OPAL Fuels Inc. engages in the production and distribution of renewable natural gas for use as a vehicle fuel for heavy and medium-duty trucking fleets. It also designs, develops, constructs, operates, and services fueling stations for trucking fleets that use natural gas to displace diesel as transportation fuel. In addition, it offers design, development, and construction services for hydrogen fueling stations. Further, the company generates and sells renewable power to utilities. As of May 1, 2022, it owned and operated 24 biogas projects. The company was founded in 1998 and is based in White Plains, New York.

Latest NGG

Latest OPAL