“Where are we on the energy storage adoption curve?” That’s one of the questions a participant asked at our latest monthly Ask SepiSolar Anything “Car Talk for Solar” webinar series. It’s the only place on the web where solar professionals can ask SepiSolar’s solar+storage engineer experts anything about a particular renewable energy topic.
For July, our topic was to Ask SepiSolar Anything… about battery storage technologies. That is, about the technical aspects of different battery chemistries on the market today.
To offer a broad view than the typical Lithium-ion energy storage landscape, SepiSolar’s CEO Josh Weiner invited Matt Harper, the Chief Product Officer and Co-Founder of Avalon Battery, a Vanadium flow battery company based in Fremont, California.
Together, Josh and Matt tag-teamed on the answers, offering various perspectives and case study examples of their years of experience in developing and modeling energy storage for various applications.
From the live audience at Intersolar and on the web, we received the following questions. Jump to the topic that most interests you in the time stamp at the end of the question:
Overview of Energy Storage Technology Landscape 00:01
Matt Harper briefly describes Avalon Battery and its Vanadium flow battery technology 01:40
Question 1: Please give a concrete example of a project that has integrated electric vehicles with solar and storage in some kind of a project or a use case 07:00
Question 2: There are a lot of flow battery technologies out there. Zinc Iron, Zinc Bromide, Iron-Iron, etc. Why Vanadium? What makes it so special? 12:48
Question 3: If you have a grid-tied inverter already installed, how would you integrate a battery into that, perhaps aftermarket? 17:55
Question 4: What are the HVAC requirements for Avalon and other flow batteries? 21:27
Question 5: Does the efficiency level of Vanadium Batteries change at cold temperatures? 27:30
Question 6: I have an existing PV array that uses SMA inverters, two strings with a total of 6kW. Can it work with a flow battery? 29:20
Question 7: Where are we on the energy storage adoption curve? i.e., Utility vs DG projections? 45:51
Question 8: When will batteries—of all kinds—be cheap enough and available enough to combine with solar, wind, etc and replace a baseload natural gas plant. That is when will utilities have a choice between a baseload natural gas plant and a solar+storage plant? 47:04
Have a question about selling solar+storage for commercial projects? Then tune in next month for Ask SepiSolar Anything about Selling C&I Energy Storage. Click the button below to sign up!
If you’re not already installing solar+energy storage for your customers, you soon will be. But which energy storage technology is best? What’s the price per kWh? How long will the battery technology last? Are Lithium-based batteries really the best? How expensive are flow batteries? How about flywheels?
You can ask any of these questions–or anything else–and get an answer from SepiSolar’s CEO and storage expert, Josh Weiner. Also answering your questions will be our special battery technology guest, Matt Harper, Chief Product Officer of Avalon Battery.
Before Avalon, Matt was a former VP of Products and Marketing at Prudent Energy and has 9 years developing energy storage technologies. He holds 7 US patents.
In addition to being CEO of SepiSolar, Josh has been designing solar+storage systems since 2004 and was one of the early co-founders of Green Charge Networks (recently acquired by Engie.). He now consults with developers, as well as various storage manufacturers.
Over the years, Josh and Matt have separately studied many different battery technologies, and they’re both excited to be sharing their objective knowledge and opinions, answering any of your battery technology questions LIVE at the EES stage at Intersolar or on our usual web platform at the same time.
Join us for Ask SepiSolar Anything – Live from Intersolar!
Topic: Ask SepiSolar Anything about energy storage technologies. Josh will be answering questions with our special guest, Matt Harper, Chief Product Officer of Avalon Battery.
When: Thursday, July 12, at 1 pm Pacific.
Where:Sign up to get a link to watch via the web or be in the audience at Intersolar. Get all the info and a reminder here:
P.S. If you or your company are on Twitter and want to meet other solar people behind the solar brands on Twitter, RSVP for the 8th Annual Intersolar Tweetup, which @SepiSolar is sponsoring. Space is limited so get a ticket before Intersolar!
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