COMPANIES BY ACTIVITY

BYMA companies: Energy

BYMA energy companies participate in power generation, networks and oil and gas supply chains. The selection includes operators, integrated groups and companies holding investments in these businesses.

Understanding this sector

A power plant sells energy or capacity; a network provides transmission or distribution. Contracts, regulation, fuel and investment affect each model differently, making assets and activities the starting point for comparison.

Financial metrics guide

Companies in this sector

20 companiesMarket cap, highest first
YPFD

YPF

Market cap31,657,926,469,914 ARS

An integrated energy company exploring and producing hydrocarbons, refining crude oil and marketing fuels and petrochemicals.

EDN

Edenor

Market cap1,465,406,673,307 ARS

An electricity distributor serving northern Buenos Aires and the northwestern metropolitan area.

TRAN

Transener

Market cap1,319,569,456,153 ARS

Operates high-voltage electricity transmission infrastructure and provides related technical services.

METR

MetroGas

Market cap1,301,060,257,507 ARS

A natural gas distributor operating in Buenos Aires, with gas marketing through MetroEnergia.

CAPX

Capex

Market cap600,539,603,882 ARS

An energy company active in hydrocarbons, power generation, gas processing and renewable projects.

GBAN

Naturgy BAN

Market cap511,097,731,145 ARS

A natural gas distributor operating supply networks for different customer groups.

CECO2

Central Costanera

Market cap338,358,410,400 ARS

A thermal power generation company operating plants serving Argentina’s electricity system.

Market capitalisation in ARS; “—” means unavailable. Financial data retrieved .Understanding market capitalisation

Categories describe activities, not accounting segments. A company can appear in more than one sector; profile metrics belong to the company.

A view of the market.
With full transparency.

Closing prices and daily history from BYMA Open Data. These are not real-time quotes.

Quote sourceBYMA Open DataLatest available sessionOct 02, 2026Last fetchedOct 3, 2026, 04:27 AM GMT-3CurrencyARSSettlementT+1 · 24hsCoverage133 / 258

Daily history is kept as supplied by BYMA. Symbols without data show no quote. Dates may differ between stocks. Corporate-action adjustments are not independently verified.

Financial data

Financial statements, multiples and estimates. Availability varies by instrument. Profiles and shareholders show their sources and dates.

Last fetched: Oct 03, 2026

La Plata is independent. Commercial data publication requires reviewing BYMA terms.