The residential solar energy storage market is driven by advancements in technology. Some of the key technologies that are shaping the market include:

1. Lithium-ion batteries: These are the most common type of batteries used in residential solar energy storage systems. They are lightweight, have a high energy density, and can be recharged quickly.

2. Flow batteries: These batteries store energy in tanks of electrolyte solution, which allows for a longer lifespan and better scalability than lithium-ion batteries.

3. Solid-state batteries: These batteries use solid electrodes and electrolytes instead of liquid or gel-like electrolytes, which can improve safety, energy density, and lifespan. 

1. Energy management systems: These systems use software and hardware to optimize energy usage and storage in the home, helping homeowners save money and reduce their environmental impact.

2. Virtual power plants: These are networks of residential solar energy storage systems that can be used to supplement the grid during peak energy demand times, helping to stabilize the grid and reduce reliance on fossil fuels.

3. Artificial intelligence and machine learning: These technologies are being used to optimize energy usage and storage in residential solar energy systems, helping to improve efficiency and reduce costs over time.