Depending on the needs and circumstances in a given market, we offer:  price-cap and fixed-rate products that shield customers from price increases  installment plans in which customers’ energy bills stay the same throughout the year, which protects them from seasonally high bills, particularly in the winter  reward programs in which customers can earn rebates or credit on their bill for reducing their consumption by a certain amount  price-tracker products that set a cap on rising prices but allow customers to benefit from declining prices  smart devices and tools that enable customers to visualize their consumption make it easier for them to save energy and give them more control over how much they spend on energy  prepayment products like a pay-as-you-go smart meters in the United Kingdom.