Cec Rating Of Solar Panels

Well the acronym cec stands for california energy commission.

Cec rating of solar panels.

Although ptc ratings offer a realistic view of photovoltaic output they don t indicate exact energy production. Browse the clean energy council s list of building approved fire tested solar photovoltaic pv modules suitable for installation under the small scale renewable energy scheme sres. These inverters see an incredibly high 98 efficiency cec rating explained below or 98 7 max rating. The cec ac system rating is used to determine the eligibility of a solar system for the california solar initiative csi program.

The cec developed the solar equipment lists under senate bill 1 murray chapter 132 statutes of 2006 establishing criteria and standards for solar incentive programs under the california solar initiative such as the new solar home partnership program nshp. Low med power rating w listed residential 60 cell panels only. The california energy commission adopted building standards that require solar photovoltaic systems starting in 2020. Therefore it can still be helpful in your comparison shopping and that s why we re telling you about it.

The hi mo3 and hi mo4 mono perc range of panels from longi solar use the common 120 split cell format and are becoming one of the more popular high efficiency low cost panels on the market. If you are shopping for solar power or small scale wind turbines in the usa you have probably heard of a term called cec listed. Most non sunpower panels drop 8 10 and the cec data shows panels that drop as much as 16 5 under ptc testing or to put it another way the panel s ptc rating is 83 5 of its stc rating. As of september 2017 this distinction goes to sma s sunny boy inverter for larger residential installations 9kw to 11kw.

Generally if no ptc value is listed in the specifications for a photovoltaic panel you can expect it to be about 10 to 15 percent less efficient than the stc rating. Solar panel efficiency typically hovers around 15 to 18. Why is that term cec listed so important for renewable energy power generation buyers here in the us. If you are thinking that means not all panels are the same you are correct.

But even if you re not in california this rating is closer still to real world production. Online resource center documents and training information to help building communities and enforcement agencies comply with the building energy efficiency standards. As we already mentioned all the panels above are composed of 60 solar cells. See the bottom of this page for the approved module list for the victorian solar homes program.

The more efficient your solar cells are the more power your solar panels produce.