What chemicals should I use to clean solar panels?

Cleaning modules in large commercial arrays is done based on a cost-benefit analysis that compares cleaning costs with the revenue increase that results from the improved array output. Most residential and small commercial users want their array to perform optimally all the time, and may therefore clean them more often than commercial arrays are cleaned.

Extreme weather double glass solar modules

JA Solar double-glass solar module

Do you live in an area known for heavy hail?  JA Solar has a tough solution.


Women in the Solar Industry

Solar power has transformational potential that goes beyond the electricity bill.

Behind the Scenes at Crown Battery

On a frigid day last year during the holiday season, Crown Battery Manufacturing Co. invited Solar Builder for a factory tour at its headquarters in Fremont, Ohio. We were able to see how the company makes its batteries — for applications ranging from automotive, marine, mining and renewable energy — and witness its push to be more green.

Utilities intend to charge citizens for creating own power

SCE Proposes Monthly Charge For Residential Solar Producers To Cover Infrastructure Costs

Southern California Edison (SCE) has filed a proposal in the net-energy metering (NEM) successor tariff proceedings before the California Public Utilities Commission.

Utilities cry about private citizens creating own power


A new report from Kansas-based engineering and construction firm Black & Veatch says utility executives are feeling increasingly uncertain about the pace of regulation due to the rise of renewable energy, distributed generation and the growing role of natural gas in the power market.

Why Crown Batteries are the best for solar (renewable energy)

We have been selling and installing solar and wind power systems since 1999.  There have been a lot of technological advances during that time.  While some of the prototypes and advances currently under research in all facets of the solar industry, lead acid batteries is still, by far, the least expensive solution for storing electricity. 

New design brings world's first solar battery to performance milestone Read more: New design brings world's first solar battery to performance milestone

(Nanowerk News) After debuting the world's first solar air battery last fall, researchers at The Ohio State University have now reached a new milestone.

GEAR: MT Solar Pole Mount

How does a financial institution determine the value of your solar project?

SEIA And CohnReznick Produce Guide On Solar Project Valuation

The Solar Energy Industries Association (SEIA) and CohnReznick, an accounting, tax and advisory firm, have released a guide on the valuation of solar projects for financial reporting purposes.

The publication features best practices for investors, financiers, project developers and others and follows up on the organizations' 2014 publication on fair market value methodologies in the solar industry.


Subscribe to Witch Well Energy RSS