Cyprus Gas
in Numbers

The Republic quotes 17–18 tcf across 6 fields. The per-field figures quoted alongside it do not add up to that number, and none of it is producing yet. This page is the arithmetic behind the headline.

Sources: Cyprus Ministry of Energy, operator disclosures
Official estimate · September 2025
17–18 tcf
across 6 commercial-scale fields
6 fields discovered, 2011 to 2025
0 producing today
2028 first gas targeted, from Cronos

Why 17–18 tcf is not a sum

Every Cypriot field is quoted in a different unit of accounting. Ranking them on one bar tells you which headline number is biggest — not which field holds the most producible gas. The category beside each bar is what decides whether two numbers can be compared at all.

Glaucus + Pegasus 7–9 tcf
Block 10 · ExxonMobil Combined hub estimate
Cronos 3.1 tcf
Block 6 · Eni Gas in place
Aphrodite 2.9 tcf
Block 12 · Chevron 2C contingent
Zeus 2–3 tcf
Block 6 · Eni Preliminary
Calypso ~1 tcf
Block 6 · Eni Preliminary
Onesiphoros West 0.5–1 tcf
Block 11 · TotalEnergies Sub-commercial

Where an operator quotes a range, the solid bar is its low end and the pale bar its high end.

Combined hub estimate One figure covering two fields. ExxonMobil has published no split, so neither field has a number of its own.
Gas in place Everything the reservoir holds, before any recovery factor is applied. Always larger than what can actually be produced.
2C contingent Audited, recoverable, discovered but not yet sanctioned. The strictest number here.
Preliminary Announced at discovery, not independently audited, and still subject to appraisal drilling.
Sub-commercial Gas found, but not enough to develop — excluded from the official count of commercial fields.

Add the midpoints and you land close to the government's 17–18 tcf headline. That arithmetic adds gas in place to audited recoverable resources to a two-field estimate, so the total is a headline, not a measurement — and the honest way to compare two fields is to compare them inside the same category.

The acreage

The Cypriot EEZ is divided into 13 blocks: 7 under licence, 3 handed back after drilling, 3 never awarded.

12345678910111213
7 licensed · 28,390 km² 3 relinquished 3 open
Colours match the interactive map, where the same blocks carry their real geometry. Open the map →

The drill bit

Those 6 fields came from 11 exploration wells — a strike rate most frontier basins never see.

6 wildcats found gas
2 found gas shows, sub-commercial
3 came back dry, all before 2019
4 further wells were appraisals, re-drilling fields already found. They confirm volumes rather than adding discoveries. The full drilling record →

When the gas was found

Six commercial fields in 15 years — and a 6-year silence in the middle that nearly ended the programme.

2011 Aphrodite Block 12 2017 Onesiphoros West Block 11 · sub-commercial 2018 Calypso Block 6 2019 Glaucus Block 10 2022 Cronos Block 6 2022 Zeus Block 6 2025 Pegasus Block 10

Hollow marker: Onesiphoros West found gas but not enough to develop, so it is not counted among the 6 commercial fields. Dates are the year each field was announced, not the year drilling started.

Take the data

Everything on this page is published as open files under CC BY 4.0 — machine-readable, CORS-enabled, and stable enough to cite in a report.

How to cite →
GeoJSON Blocks 13 licence areas JSON Deposits 7 fields, with categories CSV Deposits for spreadsheets CSV Companies operators and stakes JSON Infrastructure pipelines and terminals

Questions people actually ask

What are the total gas reserves in Cyprus?

The Republic of Cyprus officially estimates roughly 17–18 trillion cubic feet (tcf) of natural gas across 6 commercial-scale fields: Aphrodite, Calypso, Glaucus, Cronos, Zeus, Pegasus. Per-field figures mix recoverable and gas-in-place categories, so they are not strictly additive.

What is the largest gas field in Cyprus?

The ExxonMobil-operated Block 10 hub — Glaucus (2019) and Pegasus (2025) together — is the largest resource concentration, estimated at 7–9 tcf. Among single sanctioned developments, Aphrodite (Block 12) holds roughly 2.9 tcf of audited recoverable resource and Cronos (Block 6) 3.1 tcf of gas in place.

When will Cyprus start producing gas?

First production is expected around 2028 from the Cronos field, exporting via Egypt's Zohr facilities and Damietta LNG. Aphrodite targets first gas around 2030–31 and the Block 10 hub near 2033. Cyprus currently produces no oil or gas.

How do Cyprus gas reserves compare to the region?

Cyprus's ~17–18 tcf is significant but smaller than Israel's discovered resources (over 40 tcf, led by Leviathan at ~22.9 tcf) and Egypt's Zohr (~30 tcf of gas-in-place). The USGS estimates the wider Levantine Basin holds a mean of ~122 tcf of undiscovered recoverable gas.

Reserve categories follow each operator's own reporting. Where an operator publishes a range, the range is shown rather than a midpoint.

Updated July 2026 · Sources: Cyprus Ministry of Energy, operator disclosures