As the author undoubtedly knows, a multi-year agreement can pay more money sooner (front-end loaded), or delay payment until later (back-end loaded) with major consequences for overall earnings.
The 2012 wage progression was certainly more highly back-end loaded, where wages were frozen for the first three years, followed by stronger increases in the final years of the progression.
One element of the feed-in tariff program is that the rate impact is back-end loaded -- a stealthy way to slam consumers one decade and two into the future.