The company serves approximately 94,700 electric customers in North Dakota. What customers would payMDU is asking the PSC to raise its North Dakota electric rates by 14.5% overall, or $34.5 million. The commission will first take up an interim rate increase while it considers the full case. MDU told lawmakers that power use by large customers delivered $45.4 million in benefits to North Dakota customers over the last three years, or about $62 per customer. The commission’s decision on the proposed interim 12.3% rate, which would affect bills starting Sept. 1, is the next near-term milestone for the roughly 94,700 affected customers in North Dakota.