With nearly 20 years of Electrical Utility Substation experience, Northwest High Voltage Services offers electrical testing and maintenance services to the Pacific Northwest. Let our skilled substation professionals help you complete all of your needs. Whether you are commissioning new equipment or need help maintaining existing equipment. Our staff is friendly, professional and knowledgeable, so you're in good hands. Please feel free to contact us at (509) 987-3774 to discuss your next project.