Solar Energy Statistics
The University Sheffield Solar Energy Statistics provides information about Demand Percentage, Installed Capacity, Effective Capacity etc.
The National Grid is Great Britain’s electricity transmission network, distributing the electrical power generated in England, Scotland, and Wales, and transferring energy between Great Britain and Ireland, France, the Netherlands, Belgium, and Norway and you can look at the Solar Energy Statistics here
California Distributed Generation Statistics
Data and Statistics about Renewable Energy Policies and Deployment
Renewable Energy Balances by Country
Other Energy Statistics
Commercial Building Energy Performance