Today, mostly all innovation and items are continuously advancing and being upgraded. The most pertinent innovation advancement related to Solar is the conversion effectiveness from sunlight to electrical energy.
Presently, one of the most efficient mass produced property solar batteries have effectiveness ratios in the reduced 20% range; the highest possible effectiveness just recently obtained from silicon based cells is about 26%; the maximum academic effectiveness of silicon based cells is about 29%; and one of the most efficient solar batteries, of any type of innovation, is about 46% efficient. [source: NREL] Although the variety between the reduced 20’s to the high 20’s ( academic high for silicon based cells) is very little, the price distinction between both is fairly high, especially for property applications. As a result, at a high degree, current innovation and items will certainly not be “obsolesced” in the near future when greater prices of the “ more recent” items are considered.
In addition to effectiveness, various other advancements could be in the locations of type element (e.g. solar roof floor tiles, adaptable solar panels), or aesthetic appeal (e.g. all black or frame-less panels). However, as is usual for any type of new product, there is a time lag between intro and the design, installation, and support expertise to create in the field causing increased prices and danger.
Inevitably, deciding not to “Go Solar” because something better might come out tomorrow is a personal option. In functionality, however, waiting might not be necessitated based upon the very same reasoning as that described in the “Future Price Decline” area, above. The longer you wait on an uncertain future, the much less time your current system needs to generate electrical energy and provide benefits.