Power Flow

An experienced and highly motivated business leader, Darryl Parker’s work in 57 countries makes him a leader in driving innovation across global, matrixed organizations and developing and executing strategies for complex organizations. He brings a strong entrepreneurial mindset, business acumen, passion for innovation and a true commitment to developing the talent around him to every role...

Puja Vohra is the Director of Business Strategy at Slipstream, where she focuses on leading the expansion of Slipstream's clean energy programs and services in the Northeast. Puja has twenty years experience in energy efficiency and sustainability in the built environment, strategic planning for utility program design, green building technology research and energy policies...

Here on Power Flow we do a lot of thinking about the future of energy. For Ahlmahz Negash, PhD, it's what she does every day for the City of Tacoma in her job as a long range resource planner. She's helping the city not only plan for clean sources of energy (which they already have in spades) but also plan for electrification - enabling vehicles, buildings, and industrial processes to move to those clean sources of energy...

After a 10 year term at the National Renewable Energy Lab, Dr. Julieta Giraldez is working at the edge of technology and regulatory issues, at the edge of the utility, the energy policy, and the energy consumer. She is a facilitator of conversations that move clean energy projects forward...

Lori Wright is helping to solve tomorrow's problems today. She is a lawyer working in technology - often energy technology - and helping developers, designers, and innovators build systems that will stand the test of time. 

She focuses on issues of cybersecurity and interoperability, topics that are often hard for implementers to stop and think about...

After a historic flooding event in 2016, which left the Bad River Band of Lake Superior Chippewa without power and critical infrastructure, the tribe committed themselves to installing microgrids to ensure clean, resilient power on tribal lands. In May 2021, the tribe commissioned three building level microgrids, incorporating more than 520 kW of solar and over 1MWh of battery storage, the largest battery system to date in the state of Wisconsin...

We all know the green benefits of installing renewable energy generation like solar PV, but what happens at the system's end of life? If the panels end up in a landfill, we aren't doing our planet any favors. 

Janette Freeman at FabTech is on a mission to keep panels out of landfills by either reusing or recycling them...

Energy access affects health, safety, and education. Seventy-five percent of Africa’s population live without access to modern energy, and women are affected the most.

Our guest this week is Katherine Lucey, who is bringing the light to communities in Africa – literally. Her non-profit organization, Solar Sister, recruits women in sub-Saharan Africa and trains them in business skills...

The path to a clean energy future is likely not a straightforward one, strewn with complexities. Luckily, engineers love unpacking complexity. 

Our guest this week is Una Nowling, a study in paradox. Una is a fuels engineer who knows so much about coal, she has been nicknamed by colleagues and clients "The Coal Goddess." Even so, Una is relentlessly committed to decarbonization...

Battery energy storage is getting a great deal of press because of the way it is revolutionizing transportation and vehicle electrification as well as how it enables higher penetration of non-dispatchable renewable energy generation, both in front of and behind the meter. 

But questions about battery end of life plague the technology...