customer follow-ups, process improvements and coaching. We also measure customer perception through J.D. Power surveys. In that measure, our customer satisfaction scores improved across all our companies in 2017. Three of our utilities received recognition from J.D. Power. Columbia Gas of Virginia was rated as of one of the nation’s top gas-only brands in the 2017 residential natural gas study, and Columbia Gas of Pennsylvania was second in its segment. In the residential electric study, NIPSCO was recognized as one of the nation’s most improved brands. We offer programs that enhance comfort, boost energy efficiency, help customers manage their bills and reduce their carbon footprint. NiSource energy efficiency programs offer rebates or discounts on home energy audits, high-efficiency appliances and HVAC equipment, weatherization projects and even smart thermostats. We strive to educate our customers about using energy wisely, while maintaining or increasing their home’s comfort. Nearly 900,000 customers participated in our programs last year, saving approximately $21 million on their energy bills. For our customers in need, the thought of the next bill from Columbia Gas or NIPSCO can be stressful. We advocate for federal funding to ensure these customers who struggle to heat their homes in the winter and cool their homes in the summer have access to funds to help maintain their service. We also educate eligible customers about various energy assistance programs available in the states we serve, and we offer payment options, including our 9 MAKING IT EASIER FOR NEW CUSTOMERS Targeted marketing, conversion consultants and partnerships all play a role in how we extend the benefits of natural gas to new customers near our systems. With targeted, multichannel marketing, we’re raising awareness of the benefits of natural gas and approaching annual net customer growth of 1 percent. With trade ally relationships, we’re able to provide faster installations and financing options for new customers. Finally, we’re making it easier for customers to have new equipment installed at a critical moment, such as when an appliance fails or when making a decision to build a home.