Sorry to drag an old post up, but I'm reading through this list trying to catch up!
I reckon the place is about the middle of the river, frame the old between the two new, try to get the blades symmetrical!
Short of a boat and a tripod with long legs
I reckon you have a pretty good location, beautiful colours.
Still trying to find the right spot for getting a good shot of both the modern wind farms and old coal power station together, without falling in the river. To date just cant find the spot.