Popular
Our most used tariff, best for mixed retail, offices or any premises with 9-5 opening hours. The rate you pay is the same for every hour of the day
The experts in small business
We’re the largest electricity supplier in NI and supply over 40,000 companies here
Competitive business electricity prices
We’ve been around for 90 years and we work hard to get you the best rates
A wide range of tariffs and plans
With business, one size doesn’t fit all. We have plenty of options to find what suits your energy needs best
Discounts available to everyone
Savings aren’t just for new customers. We like to reward our customers for loyalty, going paper-free and paying by Direct Debit
Manage your account online
Register for a free online account to view your bills, payments and consumption, at a time most convenient to you.
Popular
Our most used tariff, best for mixed retail, offices or any premises with 9-5 opening hours. The rate you pay is the same for every hour of the day
Nightsaver
Using power after hours? Get cheaper electricity rates at night. Best for food retailers and premises with storage heating or lots of fridges or chillers
Weekender
This tariff is for those using more energy in the evenings and at weekends to benefit from cheaper electricity. This tariff is best for the hospitality sector, especially bars, restaurants and takeaways
Multirate
This is a Seasonal Time of Day tariff with day, night, winter peak, evening and weekend unit rates and is only available to customers with an interval meter installed
Track the market trends - Single Electricity Market June 2025
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Business electricity explained
At Power NI, we know that keeping electricity costs down is essential for any small business. No two businesses are the same, so we have specially tailored small business electricity prices, tariffs and plans for you to find the best fit for what you need.
View pricing guide
