2. Housing stock from cheap fuel times facing globalised energy prices.
3. Network assets being corporatised and partially privatised and there having been incentives for these monopolies to invest in unproductive assets for which they are permitted to recover their costs.
4. Costs of competition in the retail sector.
5. Government policy creating uncertainty in investment decisions for renewable assets.
6. The vast majority of consumption is early evening, so not much Sun.
That is a very complicated way to say "The government is in bed with the guys that own all the energy companies, and they have guaranteed them profits for a long time to come."