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UK domestic energy supplier

Manx Utilities UK

Founded as the Manx Electricity Authority in 1983 and rebranded to Manx Utilities in 2014, this state-owned utility is the sole supplier of electricity, water and wastewater services on the Isle of Man. Tariffs are approved annually by Tynwald and reviewed by CURA. From April 2026 the standard domestic unit rate is 29.5 p/kWh with a 25.5 p/day standing charge.

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Founded 1983 About 42,000 domestic + commercial electricity connections Douglas, Isle of Man

Founded

1983

Years on the UK market

Customers

About 42,000 domestic + commercial electricity connections

Households served

Employees

About 350 (Isle of Man-based)

Workforce size

About

Who is Manx Utilities?

Registered as Manx Utilities Authority, Manx Utilities uses this legal name for Ofgem licence filings, contracts and any formal communications. The trading name customers see on bills is the shorter, more recognisable form.

The company is headquartered in Douglas, Isle of Man, where it runs its senior management, customer operations and regulatory liaison with Ofgem.

Manx Utilities was established in 1983. A longer track record means more years operating under Ofgem rules and a wider history of customer feedback, billing systems and regulatory interactions.

Manx Utilities is part of the Isle of Man Government, statutory body reporting to the Treasury group, which provides shared governance, financial backing and a broader pool of expertise in trading, hedging and regulatory work.

The company is regulated by Ofgem, the UK's energy regulator, and its complaint handling falls under the Energy Ombudsman alternative dispute resolution scheme.

Network coverage

Where Manx Utilities supplies energy

Manx Utilities operates on 2 distinct distribution networks. Each network has its own pricing, regulatory rules and competing suppliers, check which one covers your postcode before comparing tariffs.

Network

Isle of Man, electricity distribution

Sole licensed electricity transmission, distribution and supply operator

Connections
About 42,000 metered customers (domestic + commercial)
Mains
Vertically integrated network: generation at Pulrose (CCGT) + diesel back-up at Peel and Ramsey, plus the GB-Isle of Man interconnect cable
Investment
Smart-meter rollout (SmarterLiving) ongoing since 2020s; renewables PPA framework signed 2024

Main towns & areas

  • Douglas (capital, ~30% of demand)
  • Onchan
  • Ramsey
  • Castletown
  • Peel
  • Port Erin
  • Port St Mary
  • Laxey
  • Outlying parishes (Andreas, Bride, Lonan, Maughold, Patrick, Lezayre)

Good to know: Electricity is generated locally at the Pulrose Combined Cycle Gas Turbine (CCGT) station in Douglas, with diesel back-up at Peel and Ramsey, supplemented by imports through the <strong>GB-Isle of Man interconnect cable</strong> (commissioned 2000) which lets the island buy or sell electricity to the UK national grid.

Network

Water supply &amp; wastewater

Sole supplier of mains water and wastewater treatment on the island

Connections
About 36,000 water-supply customers; full island sewer coverage
Mains
Reservoirs at Sulby, Cringle, West Baldwin, Block Eary; treatment at Sulby, Douglas, Meary Veg
Investment
Jurby Service Reservoir construction; Regional Sewage Treatment Strategy ongoing

Main towns & areas

  • Island-wide water-supply network
  • Meary Veg regional wastewater treatment plant (Douglas, Onchan)
  • Local treatment works at Peel, Ramsey, Castletown and Laxey

Good to know: Water and wastewater are billed separately from electricity but on the same Manx Utilities account where applicable. The <strong>Sulby reservoir</strong> is the largest source on the island; supply is supplemented by Cringle, West Baldwin and Block Eary reservoirs plus a small number of boreholes.

Current tariffs

Manx Utilities tariffs: as of 1 April 2026 (Tynwald-approved)

The Isle of Man is a Crown Dependency outside the GB Energy Price Cap. Manx Utilities tariffs are approved annually by Tynwald (the Isle of Man parliament) following review by CURA. The April 2026 update applied the CPI-linked unit-rate adjustment of 1.5% (capped from 2.9%) and a 5.7% uplift on the standing charge, taking the standard domestic standing charge from 24.1 p/day to 25.5 p/day. All unit rates below include 5% VAT at the domestic rate but exclude the £1.50 quarterly e-billing + Direct Debit discount and the 1% prompt-payment discount on SmarterPAYG.

Manx Utilities domestic and business tariff unit rates as of 1 April 2026 (Tynwald-approved)
Tariff Type Unit rate

Standard Domestic

Default domestic tariff for Isle of Man households on a smart meter. Single flat rate per kWh regardless of time of day. Quarterly meter reads collected automatically. Direct Debit...

Term: Rolling, no fixed term · no exit fee

Variable 29.5 p / kWh

Basic Domestic (no smart meter)

Applied to households who have opted out of having a smart meter installed. Same unit rate as Standard Domestic but with an uplifted daily standing charge to reflect the cost of ma...

Term: Rolling, no fixed term · no exit fee

Variable 29.5 p / kWh

SmarterPAYG (prepayment)

Smart-prepayment tariff using the SmarterPAYG application. Top up at retailers across the island or via the app. Subject to a 1% prompt-payment discount and 5% VAT, aligning the he...

Term: Rolling, no fixed term · no exit fee

Prepayment 29.5 p / kWh

Comfy Heat (DT / DT1), off-peak

Two-rate tariff for households where electricity is the primary source of space heating and hot water. Off-peak hours: midnight-6 a.m. and 2-4 p.m. UTC (no BST adjustment). Eligibi...

Term: Rolling; Direct Debit required · no exit fee

Variable 29.5 p / kWh

Electric Vehicle (domestic)

Two-rate tariff for households charging an electric vehicle for personal use. Off-peak hours: midnight-7 a.m. UTC (no BST adjustment). Requires a separate EV-only meter installed b...

Term: Rolling, no fixed term · no exit fee

Variable 29.5 p / kWh

Sustainable Generation (DSG export)

Export tariff for domestic customers with zero-carbon generation (PV, wind or hydro). Operates as a bolt-on to your existing import tariff with no extra standing charge. Maximum ex...

Term: Bolt-on to existing tariff · no exit fee

Variable -9.8 p / kWh exported (paid to customer)

Standard Commercial (NA / NC)

Default tariff for commercial premises, daily standing charge plus consumption-based unit charge. Direct Debit + e-billing customers receive an extra &pound;1.50 quarterly discount...

Term: Rolling, no fixed term · no exit fee

Business 29.5 p / kWh (excl. 20% VAT)

Commercial Plus (electric heating)

Two-rate tariff for commercial premises where electricity is the primary heating source, up to 10 kW single-phase or 50 kW three-phase with balanced load and power factor of 0.9 or...

Term: Rolling; Direct Debit required · no exit fee

Business 29.5 p / kWh (excl. 20% VAT)
Open the full Manx Utilities tariffs page

Regulator

Who regulates Manx Utilities?

Independent watchdog responsible for licences, price approvals and customer-protection rules.

Licence
Not applicable, the Isle of Man is a Crown Dependency outside the Ofgem remit. Manx Utilities operates under the Manx Utilities Authority Act and successor legislation.
Complaints escalation (ADR)
Communications and Utilities Regulatory Authority (CURA), Isle of Man

If Manx Utilities does not resolve your complaint within eight weeks (or issues a deadlock letter sooner), you can refer it free of charge to the Energy Ombudsman. The Ombudsman's decision is binding on the supplier.

Timeline

Manx Utilities — key dates

A short timeline of the Manx Utilities brand — founding, milestones, regulatory events.

  1. 1983

    The Manx Electricity Authority (MEA) is established by Tynwald, taking over the functions of the previous Isle of Man Electricity Board. From this point all Isle of Man electricity is supplied by a single state-owned utility.

  2. 1990s

    MEA invests in the Pulrose Power Station upgrade, transitioning the main generation site to a combined-cycle gas turbine (CCGT) for higher efficiency and lower emissions.

  3. 2000

    The 40 MW GB-Isle of Man interconnect cable is commissioned, linking Bispham (Lancashire) to Douglas. For the first time the island can import or export electricity to the UK national grid.

  4. 2014

    The Manx Electricity Authority merges with the Water Authority and Sewerage Authority to form Manx Utilities, the single statutory body responsible for electricity, water and wastewater on the island.

  5. 2018

    CURA (Communications and Utilities Regulatory Authority) takes formal responsibility for reviewing Manx Utilities tariff decisions and publishing annual performance reports.

  6. 2020s

    Smart-meter rollout begins under the SmarterLiving brand, in-home displays + app for real-time consumption, plus the SmarterPAYG smart-prepayment product.

  7. 2022

    Public EV charging partnership signed with Swarco UK to deliver the Evolt branded network across the island, with dedicated customer support.

  8. 2024

    Manx Utilities signs a renewables Power Purchase Agreement (PPA) framework with Tynwald approval, beginning to procure low-carbon imports through the GB interconnect.

  9. 2024

    Electricity prices rise by up to 60% for some commercial customers as wholesale gas costs feed through; CURA reviews the cost pass-through.

  10. 2025-04

    Tariff update for 2025-2026 confirmed: standard domestic unit rate held at 27.7 p/kWh, standing charge 24.1 p/day.

  11. 2026-04

    Latest Tynwald-approved tariff schedule takes effect on 1 April 2026: standard domestic unit rate rises 1.5% to 29.5 p/kWh, standing charge rises 5.7% to 25.5 p/day. CPI-linked uplift was capped from 2.9% to 1.5% on the unit rate.

Where the energy comes from

Manx Utilities generation portfolio

Manx Utilities is vertically integrated, it generates, distributes and retails electricity on the Isle of Man, supplemented by imports through the GB-Isle of Man interconnect cable. Water and wastewater operations sit in the same statutory body but are run as separate operating divisions.

~85 MW

Pulrose CCGT

Combined-cycle gas turbine, Douglas

40 MW

Interconnect

GB-Isle of Man undersea cable

~42k

Customer base

Domestic + commercial electricity

2014

Year established

Manx Utilities Authority created

Manx Utilities owned generation assets and partner generators
Asset Technology
Pulrose Combined Cycle Gas Turbine (CCGT) Gas-fired generation
Peel diesel back-up station Diesel-fired back-up
Ramsey diesel back-up station Diesel-fired back-up
GB-Isle of Man interconnect cable HVDC undersea cable
Sulby reservoir &amp; treatment works Water supply
Meary Veg regional wastewater plant Wastewater treatment

Manx Utilities has signed a renewables Power Purchase Agreement (PPA) framework with Tynwald approval (2024) to procure low-carbon imports through the GB interconnect. The Pulrose CCGT remains the dispatchable backbone of the system; the long-term Energy Transition strategy targets net-zero electricity by 2050.

Recognition

Manx Utilities awards & accreditations

Independent badges that tell you whether a supplier walks the talk on price, service and sustainability.

Tynwald-approved tariff schedule

2026-2027

Domestic and commercial tariffs approved annually by Tynwald (the Isle of Man parliament) following CURA review.

UNESCO Biosphere IOM Partnership

Ongoing

Active partner of the UNESCO Biosphere Isle of Man designation, the only entire jurisdiction in the world to hold the status.

Sustainable Mann partnership

Ongoing

Founding partner of the Sustainable Mann initiative, supporting carbon-reduction and biodiversity work on the island.

IGEM &amp; ECA / NICEIC engagement

Ongoing

Engineering team works closely with IGEM, ECA and NICEIC-approved contractors for installation and certification standards.

Priority Care customer scheme

Ongoing

Vulnerable-customer register for households reliant on electricity for medical equipment, mobility-impaired occupants and pensionable-age customers.

Evolt public EV network partnership

Since 2022

Partnership with Swarco UK to deliver the Evolt public EV charging network, with wrap-around customer support on 0808 281 3508.

40+ years of continuous operation

1983-2026

Founded in 1983 as the Manx Electricity Authority and rebranded in 2014 as Manx Utilities, it has been the sole electricity supplier on the Isle of Man for over four decades.

Customer service

How to reach Manx Utilities in 30 seconds

The lines you actually need on speed-dial. Every other line (Welsh, Relay UK, business switching, bereavement) is on the full contact page.

General enquiries

01624 687687

Mon-Thu 8.30 a.m.–5 p.m.; Fri to 4.30 p.m.

Open the full Manx Utilities contact directory
Manx Utilities supplies electricity, water and sewerage on the Isle of Man, it does NOT supply gas. For natural gas (mains) or LPG (off-mains) on the island, supply is provided by Manx Gas (trading as Isle of Man Energy), the sole gas supplier on the island.
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Independent comparison

Is Manx Utilities the cheapest option for your home?

UK households can save up to £300 per year by switching to a supplier whose tariffs fit their actual gas + electricity usage. Compare against suppliers regulated by Ofgem in under two minutes.

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Common questions

Manx Utilities — frequently asked questions

Manx Utilities is regulated by Ofgem and operates under a standard domestic-supply licence. Whether it is the right supplier for your household depends on your unit rate, standing charge, customer-service rating and any add-on services (HomeCare, Warm Home Discount eligibility). Always quote your annual kWh consumption when comparing prices — the headline rate alone does not predict your bill.

Switching to Manx Utilities takes about five working days under the new Faster Switching service, and your supply is never interrupted. Sign up online with your address, postcode and a recent meter reading. Manx Utilities will arrange the transfer with your current supplier, including the final meter reading and the closing bill.

The UK grid is supplied by a mix of gas, nuclear, wind, solar, biomass and imports. Manx Utilities declares its fuel mix annually under Ofgem rules — see the fuel-mix section above for the current figures. Some tariffs are sold as 'green' or '100% renewable', which means the supplier matches your annual consumption with renewable electricity certificates (REGOs) rather than physically delivering renewable electrons to your home.

Most UK fixed-term tariffs include an exit fee (typically £25-£75 per fuel) if you switch before the contract ends. You can switch without an exit fee in the last 49 days of your contract. Variable tariffs (including the default tariff capped by the Energy Price Cap) have no exit fees.

You can reach Manx Utilities on 01624 687687, Mon-Thu 8.30 a.m. to 5 p.m.; Fri 8.30 a.m. to 4.30 p.m.. For a full breakdown of phone lines (emergency, prepayment, HomeCare, bereavement, Welsh, Relay UK), see the Manx Utilities contact page.

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