This is a continuing series on using keycode systems to deliver pay-as-you-go solar in off-grid energy markets. Why Distributors Use Pay-As-You-Go How Mobile Network Operators Utilize Prepaid Scratch Cards How Secure Pay-As-You-Go Keycode Systems Operate << You’re Here How Pay-As-You-Go Product Activation Works The Design Approach for Developing Keycode Systems In the past two articles of […]