Use the links below for an updated list of products that are approved onto the cec list.
Solar panel cec rating.
Higher wattage panels are often more efficient but also larger in size and pricier.
The lists helped ensure the solar equipment met minimum safety and performance standards.
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.
Eligible small wind.
Although ptc ratings offer a realistic view of photovoltaic output they don t indicate exact energy production.
Every panel has a different wattage or power rating.
Its easy to check.
The california energy commission cec adopted the ptc rating to measure nominal output power of photovoltaic cells or modules to determine the system s rating in order to calculate the appropriate incentive level.
These inverters see an incredibly high 98 efficiency cec rating explained below or 98 7 max rating.
Eligible solar pv panels eligible inverters.
As you can see the canadian solar 260 watt polycrystalline module has a ptc rating of 239 1 watts and an stc rating of 260 watts.
So you may see a module s power output listed as a cec rating which is really just the ptc method.
Here is our short list of the best quality and most reliable panel manufacturers on the australian market based on company history quality real world performance service and feedback from solar industry professionals.
As the panel heats up as they all do in the real world its output drops.
Factors that affect solar panel efficiency.
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.
So if you are shopping for solar or wind power and want to qualifiy for the federal tax credit and rebates that are availble to you make sure your products are cec listed.
And as panels cool their output goes up this type of power drop off happens for all panels.
This signifies the amount of power a panel can generate and is usually between 250 and 350 watts.
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.
For conventional silicon based panels this is typically around between 14 22.
The cec or cec ac watt rating.