Yes
When your PV array is making more power than you can use, is your excess (and only your excess) put out onto the utility power grid for other to use?
Yes
When you use more power than the PV array can supply, does the utility makes up the difference (and only the difference)?
Yes
If your answer is no to any of these then you need to re-think your last reply.
Not this time. The 2 M2 was just a bonehead mistake, something I surmise you've never done.