Top 10 Best Oil and Gas Companies in Isle of Anglesey

Oil and Gas on the Isle of Anglesey

The Isle of Anglesey does not produce oil or gas, but these fuels remain an important part of island life. A significant number of rural homes and farms are not connected to the mains gas network and depend on heating oil or liquefied petroleum gas. Holyhead's ferry services, fishing vessels, agricultural machinery and road haulage all rely on fuel supplies. The island also has an interesting oil heritage: for many years a Shell marine terminal near Amlwch received crude oil from tankers moored offshore and piped it to the Stanlow refinery on Merseyside, until its closure in the late 1980s.

Today, the focus is on reliable, competitively priced fuel distribution and a gradual transition toward lower-carbon alternatives such as renewable liquid fuels, heat pumps and hydrogen. The companies below are the key oil and gas businesses that keep Anglesey moving and warm.

How We Chose These Companies

We considered relevance to Anglesey customers, supply reliability, range of products, customer service, investment in lower-carbon fuels and importance to the regional energy system.

The Top 10 Oil and Gas Companies Serving Anglesey

1. EET Fuels (Stanlow)

EET Fuels operates the Stanlow refinery in Ellesmere Port, one of the UK's largest refineries and a major supplier of road fuels to North Wales and the North West. It is investing in hydrogen and carbon capture as part of the HyNet North West cluster, which may shape the region's future energy mix.

2. Certas Energy

Certas Energy is one of the UK's largest fuel distributors, supplying heating oil, diesel, lubricants and fuel cards to homes, farms and businesses. Its depot network and delivery fleet serve rural communities across North Wales, including Anglesey.

3. Calor Gas

Calor is the UK's best-known LPG supplier, providing bottled and bulk gas to off-grid homes, holiday parks, caravans and businesses. On Anglesey, where many caravan and camping sites operate, Calor is a familiar name. It is also expanding renewable bioLPG options.

4. Flogas

Flogas supplies LPG for heating, cooking, forklift trucks and commercial applications. It serves rural homeowners and businesses across Wales with flexible supply options and is developing lower-carbon gas products.

5. bp

bp operates fuel forecourts across the UK and supplies aviation, marine and commercial fuels. Alongside its traditional business, it is investing heavily in offshore wind in the Irish Sea, making it a significant player in Anglesey's energy story on both fronts.

6. Shell

Shell has a historic connection with Anglesey through the former Amlwch marine terminal. Today, Shell-branded forecourts and lubricants remain widely used across North Wales, and the company supplies fuels for marine and commercial customers.

7. Valero (Texaco)

Valero operates the Pembroke refinery in south-west Wales and markets fuel under the Texaco brand. Texaco forecourts are found across Wales, and the refinery is a major part of the Welsh industrial economy.

8. Esso (ExxonMobil)

Esso is a major UK fuel brand with forecourts across North Wales. ExxonMobil also supplies lubricants and specialist fuels used in agriculture, haulage and marine operations.

9. Harvest Energy

Harvest Energy is an independent UK fuel supplier and distributor providing petrol, diesel and renewable fuels to forecourt operators and commercial customers. Its supply network supports independent filling stations, which are vital in rural areas like Anglesey.

10. Wales & West Utilities

Wales & West Utilities owns and operates the gas distribution network across Wales, delivering gas safely to homes and businesses connected to the mains. It is researching hydrogen blending and greener gases as part of the transition to net zero.

Industry Trends Affecting Anglesey

Hydrotreated vegetable oil is emerging as a lower-carbon drop-in replacement for heating oil and diesel, potentially useful for off-grid homes that cannot easily install heat pumps. Hydrogen projects, including a proposed hub at Holyhead and the HyNet cluster in the North West, may create new fuel options for transport and industry. Price volatility remains a concern for rural households, making fuel clubs and community buying schemes popular. Electrification of vehicles and heating will gradually reduce oil demand over time.

Frequently Asked Questions

Why do so many Anglesey homes use heating oil?

Many rural parts of the island are not connected to the mains gas network, so heating oil and LPG have long been the most practical options for space and water heating. Heat pumps and other low-carbon systems are increasingly being considered as alternatives.

How can I reduce my heating oil costs?

Order outside peak winter demand, compare quotes from several suppliers, join a community oil-buying club and improve insulation to reduce consumption. Regular boiler servicing also improves efficiency.

What happened to the oil terminal at Amlwch?

The Shell marine terminal near Amlwch received crude oil from large tankers via an offshore mooring and pumped it by pipeline to Stanlow refinery. It closed in the late 1980s, but it remains an interesting part of the island's industrial history.

Tips for Fuel Buyers on the Island

Compare prices regularly, as heating oil costs can vary significantly between suppliers and seasons. Consider joining a community oil-buying club to secure better rates. Ensure oil tanks are maintained and bunded to prevent spills, particularly near watercourses and the coast. If you are considering moving away from oil, ask about hybrid systems, biofuels and heat pump grants available in Wales.