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It doesn't look like new equipment, but maybe they're putting in new landscaping to screen the existing equipment. Or, I guess, they could possibly be putting in bollards to protect it.
EDIT: I take it back. I looked closer at the older pictures in this thread and the switchgear is different. Before it was grey-green and now it's white. I suppose they could have just painted it, but with the report of new equipment going in, a replacement seems more likely.