Storage is new, and many solar installers are being asked about it. This guide aims to answer eight essential questions:

1. What is storage?
2. Why would my customers want it?
3. Where is it needed?
4. What's the difference between a battery and a storage system?
5. Which chemistry should I use?
6. What's the difference between AC- and DC-coupled systems?
7. How much storage does my customer need?
8. How do I get my customers storage-ready?