Meet our Guests: Vince Signorotti

Vince Signorotti

Vice President, Resource & Real Estate, EnergySource LLC

Calipatria, CA

11/11/21

     Vince Signorotti is a Vice President at EnergySource, a California-based renewable energy company focused specifically on renewable geothermal energy. At their John L. Featherstone geothermal plant next to the Salton Sea in southern California, EnergySource drills thousands of feet into the Earth to harness salty groundwater that has been heated by the planet’s internal energy. They pump this brine to the surface to generate electricity from the steam it produces. Vince explained that this is while the process is expensive, it is carbon neutral and produces only minor byproducts. This is one of eleven plants operated by EnergySource in the Salton Sea area that collectively produce 380 megawatts of energy for the greater Phoenix area.

     While touring the geothermal facility with Semester in the West, Vince explained with excitement that EnergySource has developed technology to extract lithium from the brine they use to generate energy. With predictions that all vehicles will be electric by 2035, Vince and his company expect demand for lithium to be used in batteries to increase dramatically. Unlike most other forms of lithium mining in operation today, EnergySource’s extraction technology requires a very small footprint: together with the geothermal equipment (which provides the electricity for the extraction process) the John L. Featherstone plant will take up only 33 acres on the surface. While this technology is not currently running they have plans to start building the additional infrastructure this coming spring.

By Wes Johnston

Meet our Guests: Brett Isaac

Brett Isaac

Founder and Co-CEO, Navajo Power

Navajo Mountain, AZ / Navajo Nation

9/25/21

Brett Isaac grew up next to the Peabody Coal Mine and surrounded by the effects it had on his Diné (Navajo) community in Shonto. Specifically: contaminated drinking water, depletion of the drinking water aquifer, and respiratory illness among the local population. Additionally, the electricity generated by the coal from this mine was not accessibly to Diné families.

After graduating from Arizona State University, Brett came home to the Navajo Nation in hopes of bringing money and electric power back. He started by building solar panel arrays for individual houses far off the grid as well as providing mobile power units that have been used by Diné residents and by protestors at Standing Rock to power their camps.

In 2020, Brett co-founded Navajo Power: a public benefit renewable energy corporation that aims to brings the economic and environmental boons of solar energy to the Navajo Nation and other indigenous communities across the country. While he does not think solar energy is the “silver bullet” in dealing with climate change, he believes that it is a step in the right direction and sees first-hand how beneficial it is for the communities he has brought power to.

By Wes Johnston

Editor’s note: the photo of Brett Isaac above is from SITW 2016 as SITW 2021 met with Brett at night and did not get a more recent portrait.

Meet our Guests: John Rohrer

John Rohrer

U.S. Forest Service Program Manager

Methow Valley, Washington

8/28/21-8/30/21

     John Rohrer is the USFS Program Manager for Range, Weeds, Botany and Wildlife based in the Okanogan National Forest. John is a soft-spoken, thoughtful biologist who has numerous interests within the Methow valley and battles with a wide range of dilemmas in the ecological and political spheres.

     John’s wide-ranging job description means that he is involved with a variety of forest management decisions and the dilemmas that often accompany those decisions. For example, John has worked with fire rangers in an attempt to address the issue of overly dense forests that need thinning to prevent massive fires that have decimated the valley in recent years. However, thinning is difficult to begin because of the restrictions on cutting trees down due to the presence of the endangered spotted owl who resides in these forests. John also works on other projects such as his effort to reintroduce beavers to Black Pine Lake. Outside of his official job, John is a snake enthusiast who captures pesky rattlesnakes in the valley, monitors them and houses them on his property.

By Wes Johnston