Trusted Business Energy Supplier
We’re a family-run commercial energy supplier in Manchester, offering competitive, bespoke energy prices to help UK businesses reduce energy costs.
We’re proud to be the Premium Branding Partner of This Is Manchester Awards 2026—supporting local business excellence across Manchester and the North West.
Get a free contract review and free energy advice today.
Get a Free Contract Review
What We Do
D-ENERGi is a Ofgem-registered business gas and electric provider. We are a real alternative to the Big Six in the UK. With over 24 years of industry expertise, we pride ourselves on delivering personalised customer service, ensuring your calls are answered within three rings.
Business
Gas
We provide flexible options for business gas, including fixed and variable tariffs, tailored to meet the needs of businesses of all sizes.
Business Electricity
We provide competitive rates for fixed and variable business electricity contracts, tailored to suit the needs of small, medium
and large businesses.
Half Hourly Electricity
We tailor business electricity contracts for single site and multi-site businesses. Our price-matching team ensure you receive the most competitive rates in the market.
Why D-ENERGi?
Free Energy Advice
We offer a free contract review and free energy consultancy to identify potential savings and uncover better options. Our team analyses the energy market and gives clear advice with personalised support.
Trusted and Established Business Energy Supplier
We are a Manchester-based, family-run commercial energy supplier with over 24 years of experience, we focus on helping businesses manage energy costs with personal account management, bespoke pricing and real support. We’ve supported businesses locally and nationally with their energy costs and needs.
Competitive, Bespoke Business Energy Pricing
We care and listen to your energy related needs. We take the time to understand your situation and provide competitive, tailored energy pricing. With a dedicated account manager, you’ll receive a bespoke business energy quote based on your specific usage.
Excellent Customer Service
Our Customer Services team is built to be responsive and human. We answer your call within 3 rings and provide you with a personalised support larger energy suppliers often can’t match. That is why D-ENERGi has been recognised as finalists for Energy Supplier of the year for 2 consecutive years.
We Provide Business Energy Supply Across Multiple Sectors
Contact our expertsAt D-ENERGi, we specialise in supplying business energy to a wide range of organisations—supporting SMEs and larger businesses locally and nationally with clear guidance, proactive support and a focus on reducing business energy costs.
With over 24 years of experience, we’ve helped thousands of businesses reduce their energy bills achieving an average annual bill improvement of 10–20%. We manage your energy needs with no pressure, no jargon, just straightforward support.
Switch to D-ENERGI
At D-ENERGi we care and we listen to your energy related needs. Our dedicated energy account managers will provide you with a tailored business energy quote and a bespoke energy solution that is right for your business. We make the process of switching your business energy supplier easier than ever.
Reach Out to Us
Fill out a quick form on our website, call 0800 781 7626 or request a call back. Our energy experts will get in touch with you as soon as possible.
Receive Your Business Energy Quote
Provide a few details about your business. We’ll find the best business energy rates tailored specifically for you.
Choose Your Deals
Once you select your business energy deals, we’ll handle the entire switching process, guiding you every step of the way.
What our customers say!
Customer Portal
Manage Your Account Online
As a valued customer, you can easily manage your account with our user–friendly portal.
Here’s what you can do:
• Submit meter readings
• View your contract details
• Check billing history and balances
• Download invoices
• Request half–hourly data
Download our app from the App Store or Google Play for even more convenience or simply log in through your computer or mobile device.
Latest News
Awards & Accreditations
D-ENERGi has been recognised as finalists for Energy Supplier of the Year for 2 consecutive years.
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We are proud to be the Premium Branding Partner of This Is Manchester Awards 2026
