D-ENERGi — Hero
D-ENERGi | Independent UK Business Energy Supplier 100% Green on Request

Is D-ENERGi Right for Your Business?

Established in 2002, D-ENERGi supplies UK businesses of all sizes with competitive contracts, responsive service and the option of 100% renewable electricity (UK wind) on request. Standard electricity is brown unless a green tariff is agreed at the point of sale. We’ll help you compare it fairly.

💨 100% UK Wind (on request)
🧾 Price-Match Promise
📟 Smart Meter Installations
👩‍💼 Sectors: Care, Education, Retail & More
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⭐    /5 on Trustpilot (       reviews) • View • as of 16/10/2025
Who is D-ENERGi?

Who is D-ENERGi?

Independent UK business energy supplier — price-match promise with 100% green electricity available on request.

Founded in 2002, D-ENERGi is an Ofgem-registered supplier serving SMEs through to multi-site organisations across sectors such as care, education, hospitality, manufacturing and retail. Contracts are tailored, smart meters can be installed, and a dedicated team supports switching and ongoing account management.

Standard electricity is “brown” by default. A 100% renewable (UK wind) option is available if requested with your account manager at point of sale and agreed on a green contract. We’ll compare both approaches so you can choose what fits your budget, carbon aims and metering setup.

Trustpilot snapshot (as of 16/10/2025): 4.3/5 from 322 reviews — reflecting strong service with quick responses to queries.

ℹ️ We’re independent — not affiliated with D-ENERGi.
📅
Founded
2002
💨
Green Electricity
100% on request
UK wind (must request at point of sale)
⭐
Trustpilot (16/10/2025)
4.3/5 • 322
Crown Gas & Power - The Complete Picture
📊 Honest Assessment

The Complete Picture

A balanced look at Crown Gas & Power’s strengths and considerations to help you make an informed decision.

✓

Pros

  • ✓ Award-winning supplier with a proven customer service record and heritage since 1928.
  • ✓ 4.8/5 Trustpilot rating(146 reviews as of 16/10/2025), praised for fast, personal support.
  • ✓ Flexible biogas options(10%, 25%, 50%, or 100%) to suit all sustainability budgets.
  • ✓ Manchester-based support team — no offshore call centres.
  • ✓ In-house siteworks expertise for gas, electricity & water connections and smart upgrades.
✕

Cons

  • ✕ Focuses mainly on business customers — no domestic energy supply.
  • ✕ No instant online quotes — quotes arranged via brokers or advisors.
  • ✕ Renewable electricity products available but limited by contract type.
  • ✕ Business hours support only(Mon–Fri, no 24/7 service).
  • ✕ Biogas supply availability can depend on region and metering setup.
Note: Cons reflect verified customer feedback and market insight. Always compare supplier terms, tariffs, and fuel types to ensure the best fit for your business.

Looking for a Crown Gas & Power Quote?

We’ll compare Crown Gas & Power alongside 28+ trusted UK suppliers and manage everything end-to-end. Clear advice, no call-centre runaround.

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How to Get Your Crown Gas & Power Quote

We’ll gather your details, compare Crown Gas & Power alongside 28+ UK suppliers, and present clear, tailored pricing — all handled by our team (no prices shown online).

1

Share Your Details

Send a recent bill (or usage & meter info) via our form, phone or email. This lets us scope Crown Gas & Power eligibility and rates.

2

We Verify & Compare

We confirm your meter details and compare Crown Gas & Power with 28+ suppliers — focusing on suitability, not online price tables.

3

Receive Your Proposal

We send clear, tailored quotes for review — including any relevant incentives where applicable.

4

Choose & We Manage the Switch

Pick your tariff and we handle the paperwork and coordination — including any metering requirements.

Why Use Smart Energy Company?

We make business energy simple, transparent, and stress-free

🤝

Direct Negotiation

We negotiate directly with suppliers to secure the best possible rates for your business.

🔓

Exclusive Access

Access supplier rates not available to the general public.

👤

Dedicated Manager

A single point of contact from quote to renewal.

📋

Ongoing Support

We’ll manage your contract and help with queries throughout the term.

💷

No Direct Fees

Our service is free to you — we’re paid via a small supplier uplift.

✨

Hassle-Free Switching

We handle all paperwork and coordination; you don’t deal with suppliers directly.

Ready to Get Started?

Choose your preferred way to contact us

📝
Quote Form
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📞
Call Us
0151 459 3388
✉️
Email Us
info@smart-energy.uk
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⚡ Most quotes delivered within 24–48 hours

Latest from Our D-Energi Blogs

Stay informed with updates, tips and market insight related to D-Energi

D-energi out of contract rates - april 2025 update what you 'll pay if your contract expires without

D-ENERGi Out of Contract Rates – April 2025 Update

by Thomas McGlynn • 10 April 2025
D-ENERGi’s April 2025 deemed rates are live. See gas and electricity unit rates, standing charges, and how to avoid paying over the odds on out-of-contract pricing.
Crown Gas & Power — Fuel Mix 2024–2025 (Interactive)
Crown Gas & Power Fuel Mix 2024–2025

Understanding Your Energy Sources

Crown Gas & Power’s electricity disclosure for Apr 2024 – Mar 2025 is 100% renewable. Compare it with the UK average below.

🌊

Renewables

Crown UK Avg
Crown
100.0%
UK
42.1%
☢️

Nuclear

Crown UK Avg
Crown
0.0%
UK
16.2%
🔥

Natural Gas

Crown UK Avg
Crown
0.0%
UK
33.3%
⚫

Coal

Crown UK Avg
Crown
0.0%
UK
5.9%
➕

Other

Crown UK Avg
Crown
0.0%
UK
2.5%

What it means

Crown (Electricity) discloses a 100% renewable electricity mix for Apr 2024 – Mar 2025 (no fossil or nuclear). Compared with the UK average(renewables ~42.1%, nuclear ~16.2%, gas ~33.3%, coal ~5.9%, other ~2.5%), Crown’s product offers a simple route to lower-carbon reporting.

Data period: Apr 2024 – Mar 2025 Disclosure: Crown Gas & Power published fuel mix
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Frequently Asked Questions About D-Energi

Here are answers to some of the most commonly asked questions about D-Energi as your business energy supplier.

  • What does Crown Gas & Power supply?

    Crown Gas & Power provides commercial gas, electricity, and water services across the UK. They’re best known for their biogas options (10%, 25%, 50%, or 100%), and for their in-house Siteworks team that handles meter installations, disconnections, and supply alterations.

  • Is Crown Gas & Power a renewable energy supplier?

    Yes. Their electricity is 100% renewable, and they offer flexible biogas blends for gas supply. Businesses can choose the renewable content that best fits their budget and sustainability goals.

    Find Out More

  • What is the Crown Gas & Power Trustpilot rating?

    As of October 2025, Crown Gas & Power is rated 4.8/5 (Excellent) on Trustpilot, based on over 140 verified reviews. Customers frequently highlight their friendly UK-based support and responsive issue handling.

  • Where is Crown Gas & Power based?

    Their head office and customer service team are located in Manchester, UK. All calls are handled directly by their in-house staff — there are no outsourced call centres.

  • What makes Crown Gas & Power different from other suppliers?

    They focus on transparency, flexibility, and customer care. Every business gets a dedicated account team, clear billing, and the option to include carbon-neutral or renewable energy without complex contract add-ons.

  • How easy is it to switch to Crown Gas & Power?

    Switching is quick and simple. Their team handles the entire process, including liaising with your old supplier and arranging meter reads or smart meter installations at no additional cost.

  • Does Crown Gas & Power offer support for multi-site or large businesses?

    Yes. They specialise in multi-site portfolios, offering consolidated billing, tailored contract lengths, and flexible pricing. Their in-house Siteworks team also supports large developments, refurbishments, and metering upgrades.

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