1 kW of photovoltaic (PV) will generate about 1,800 kWh per year over its lifetime, and costs probably about $1,800 to build at utility scale.
So $1 per annual kWh.
Things are more complicated for CSP, because it usually has thermal storage built in.
This allows it to generate more kWh of energy per kW of max power.
For example Crescent Dunes generates is 110 MW, and generates 501 GWh per year: 4,500 kWh per kW.
But it cost $1 billion to build, so it's about $2 per annual kWh.
Ivanpah does not have storage. Its cost per annual kWh is over $3.
(I am glossing over the fact that PV lasts for "just" 25-30 years and CSP lasts longer. Revenue generated 30 years from now is not worth very much.)
EDIT: to answer your question about "conversion rate from KW of solar energy to KW of electrical energy" - this does not matter, at least here in the US. We have way, way, way more solar energy hitting the ground than we will ever need. Converting it efficiently just doesn't matter.
1 kW of photovoltaic (PV) will generate about 1,800 kWh per year over its lifetime, and costs probably about $1,800 to build at utility scale. So $1 per annual kWh.
Things are more complicated for CSP, because it usually has thermal storage built in. This allows it to generate more kWh of energy per kW of max power. For example Crescent Dunes generates is 110 MW, and generates 501 GWh per year: 4,500 kWh per kW. But it cost $1 billion to build, so it's about $2 per annual kWh.
Ivanpah does not have storage. Its cost per annual kWh is over $3.
(I am glossing over the fact that PV lasts for "just" 25-30 years and CSP lasts longer. Revenue generated 30 years from now is not worth very much.)
EDIT: to answer your question about "conversion rate from KW of solar energy to KW of electrical energy" - this does not matter, at least here in the US. We have way, way, way more solar energy hitting the ground than we will ever need. Converting it efficiently just doesn't matter.