Smart Meter with solar systems (OVO)

A question about : Smart Meter with solar systems (OVO)

I have searches the forum and Googled but have not been able to answer the following questions.

I have been offered a Smart Meter by OVO. It appears that it is optional and that I may accept or remain silent. The meter is accompanied by an in house handheld device.

The link OVOs FAQ does not appear to lead to the correct page.

Questions:

[1] Can the subscriber read export and invoice separately on the Smart Meter or on the handheld device ?

[2] Does the pulse flashing LED on the meter indicate import power only or does it indicate import power minus export power?

[3] Is there any value to the solar-powered household in accepting the retrofit?

Best answers:

• Here's my understanding from what I have read and heard about "smart" meters.
  [1] They don't measure export. They could do so, but the electricity suppliers don't care what you're exporting, so can't be bothered paying extra to have the meters re-programmed.
  [2] See [1].
  [3] Is there any point in smart meters at all? I'm not convinced they are worth the cost of installing them.