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Opinion & analysis

Why module cleaning makes all the difference

The regular cleaning of solar modules results is optimized power output and protects installations against costly failures. There are multiple approaches to module cleaning, both low-and-high tech. Pol Duthoit from SolarCleano sets out the need and the options.


Puerto Rico awaits first procurements to add 3.75 GW solar, 1.5 GW storage

Puerto Rico regulators ordered the utility PREPA to procure solar and storage, although the utility’s board chairman says the island’s grid can support only a fraction of the mandated amount.

Clear clogged interconnection queues with transmission planning: report

Interconnection queues, in which solar, wind and storage make up 90% of the projects, are “excessively slow, creating a backlog of unbuilt projects.” The culprit is inadequate transmission planning, says a new report.

Could HB 786 halt the growth of solar in Ohio?

The controversial legislation looks to ban the development and construction of new solar and wind farms greater than 50 MW in capacity in the Buckeye State for the next three years


A no-brainer for U.S. job creation: Update solar permitting and inspections

Solar is big enough now that its soft costs are a real drag on local economic activity. Soft costs in the U.S. defy the example of other countries that install solar at one-third the cost because of how the steps that drive soft costs have been structured.


A wish list for Biden’s energy policy agenda during his first year in office

What Tam Hunt would like for the holidays: a Renewable Electricity Standard, a federal feed-in tariff and a federal efficiency standard.


Low solar costs are bringing new customers to the market. We need to treat them fairly

With solar energy more accessible than ever before, the industry has a responsibility towards new customers to steward them to the solution that delivers the best value and reliability.

The unglamorous approach to impact investing in energy

In the fashionable world of “impact” investing, often the least sexy investment makes the most impact; nowhere is this truer than in the energy sector

The roadmap to the lowest cost grid is paved with distributed solar and storage

We wanted to know what the grid would look like, and cost, if we stopped ignoring the benefits of DERs and optimized the integration of these resources through a better modeling process. We found that when you use better planning models and scale both local solar and storage, as well as utility-scale solar and wind, you maximize cost savings and unlock the path to the lowest cost grid.


If I were Secretary of Energy

If you recognize that energy is most of the problem with climate change, you’d like the DOE not to be the bastard child of a weapons organization. (Warning/TLDR : You can’t fix the DOE in 1,000 words.)


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