So do I.

I might be tempted, though, to insert "private sector", in order to make it really clear:

It is a fundamental mistake to assume that projects with a positive rate of return will always be able to attract private sector investment.

?

It is a fundamental mistake to assume that a positive rate of return is always a sufficient condition for a project to attract investment.

?

"3.3 Extension of TEN-E to oil infrastructure, CO2 sequesteration and other new networks"

sequestration

"Thus, it should not be beyond the scope of EU energy policy to consider the maintenance of the ownership and operation of energy grids in the public hand, or the construction and operation of certain load balancing plants."

Thus, it should not be beyond the scope of EU energy policy to consider maintaining the ownership and operation of energy grids, or the construction and operation of certain load balancing plants, in the public hand.

That's all I can think of.

It's really excellent, congrats, you guys!