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Volts

David Robertswww.volts.wtf
Volts is a podcast about leaving fossil fuels behind. I've been reporting on and explaining clean-energy topics for almost 20 years, and I love talking to politicians, analysts, innovators, and activists about the latest progress in the world's most important fight. (Volts is entirely subscriber-supported. Sign up!)

www.volts.wtf

Episodes

Developing a supply chain for American-made batteries

There has been an epic battle over the past 20 years between two types of lithium-ion batteries: nickel manganese cobalt (NMC) and lithium iron phosphate (LFP). While NMC still boasts better energy density, LFP is making a major comeback thanks to its safer, more accessible materials and improving performance. However, China still dominates the LFP supply chain. In this episode, CEO Vivas Kumar of startup Mitra Chem weighs in on why America needs domestic production of LFP materials. This is a p...

Sep 06, 202457 min

How to activate climate voters

The Environmental Voter Project has a unique approach: rather than convincing people to care about climate change, it identifies people who already do, but don't consistently vote, and works to get them to the polls. In this episode, EVP founder Nathaniel Stinnett discusses how to find these voters, keep them engaged, and measure their impact. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Sep 04, 20241 hr 7 min

EV charging for urban neighborhoods

Access to charging is a barrier to EV adoption for folks without a driveway or a garage, but what if charging your car in an urban area was as easy as charging your phone? Enter startup Itselectric, which has developed curbside level-2 chargers that connect to building electric panels, making installation quick and efficient. In this episode, co-founder and COO Tiya Gordon discusses the company’s award-winning charger design and vision for a future of ubiquitous urban charging. This is a public ...

Aug 28, 202456 min

How is new clean-energy manufacturing affecting red & purple states?

Through the passage of IRA and CHIPS, the Biden administration has invested billions of dollars and created more than 100,000 manufacturing jobs in purple and red districts that have been hard-hit by globalization and disinvestment. In this episode, Julian Spector of Canary Media, reporting from these communities, shares about local reactions to this influx of new money and opportunities, and the reality that Trump’s Project 2025 wants to roll back the tax credits fueling this growth. This is a ...

Aug 21, 20241 hr

The prospects for offshore wind in California

After decades of talk about offshore wind, California seems closer than ever to actually supporting an industry. But to meet the state’s goal of five gigawatts of offshore wind power by 2030, a lot of as-yet-nascent pieces need to fall into place. In this episode, Adam Stern of Offshore Wind California and Jocelyn Brown-Saracino of the US Department of Energy discuss California's recent policy efforts and the state of floating-wind technology. This is a public episode. If you'd like to discuss t...

Aug 14, 20241 hr 10 min

Free the smart-meter data!

Most electricity ratepayers in the US have a smart meter generating real-time data about their power usage, which could theoretically be used to reduce consumption and save money, but in most cases, utilities have locked up the information in inaccessible formats. In this episode, Michael Murray, leader of business coalition Mission:data , describes the potential value of smart meter data and the group’s ongoing efforts to pry it from utilities. This is a public episode. If you'd like to discuss...

Aug 09, 20241 hr 5 min

Colorado governor Jared Polis on recent climate, energy, & housing wins

Over the past five years, Colorado’s Democratic trifecta has produced a cascade of legislation on climate, energy, housing, and land use (among other things). In this episode, we dive into some of these achievements and the politics behind them with Gov. Jared Polis and his top climate policy advisor (and previous Volts guest ) Will Toor. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Aug 07, 202448 min

How to cram EV fast chargers into tight urban spaces

NYC’s Revel is trying to build urban EV fast chargers and demand for those chargers (in the form of its own EV rideshare network) simultaneously. In this episode, Revel’s Tobias Lescht discusses the challenges of urban fast charging and the company’s plans to expand beyond NYC. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Aug 02, 20241 hr 11 min

What's the deal with perovskite solar?

For years, perovskite solar cells have been the Next Big Thing in solar. In this episode, Joel Jean, co-founder and CEO of Swift Solar, explains what exactly perovskites are, the performance and weight advantages they promise, the challenges they face, and when they might actually reach market. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jul 31, 20241 hr 1 min

What's the deal with burning wood pellets for energy?

An enormous amount of wood is harvested from forests in the southern US to be burned in Europe as “renewable energy.” Now the industry wants to open more wood-pellet facilities in the Pacific Northwest. In this episode, Rita Frost of NRDC and Brenna Bell of 350 PDX explain why that’s a bad idea and why wood pellets aren’t as renewable as they look. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jul 24, 20241 hr 1 min

What's the deal with Passive House?

In this episode, Beverly Craig of the Massachusetts Clean Energy Center discusses what passive house building principles entail, the benefits they generate for building occupants and the grid, and what it would take to persuade more US builders and policymakers to adopt them. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jul 19, 20241 hr 1 min

EV charging for those without a garage

EVs are great for people with garages to charge them in, but what about everyone else? In this episode, Gabe Klein of DOE’s Joint Office of Energy and Transportation talks us through new approaches to EV charging for people in multifamily residences in urban settings, including new business models, new technologies, and even new vehicles. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jul 17, 202454 min

How are we going to decarbonize shipping?

In this episode, David Wooley and Ed Carr, lead authors of recent papers outlining policy and technology options for reducing emissions in the shipping industry, discuss the fuels (and batteries?) that could power ships of the future, the policies needed to move forward, and California's pivotal role. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jul 12, 20241 hr 2 min

Electrolyze everything!

A startup called Mattiq is using a combination of nanotechnology, AI, and electrolysis to produce novel materials that could eventually substitute for carbon-intensive materials in sectors from chemicals to plastics to fuels. In this episode, CEO Jeff Erhardt and I dig into the technological and business details. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jul 10, 20241 hr 7 min

What's up with solid-state batteries?

In this episode, CEO Siyu Huang of Factorial Energy talks through recent advancements in solid-state batteries, which promise significant improvements in energy density and safety and are paving the way for electric vehicles with substantially increased range to hit the market within the next few years. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jul 05, 202454 min

A clever new way to distribute storage on the grid

A new startup called Base Power aims to bring more stability to the volatile Texas grid by selling customers oversized home batteries at minimal costs and then using the excess capacity to trade on the market. In this episode, co-founders Zach Dell and Justin Lopas discuss their innovative business model and its potential impact in Texas and beyond. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jul 03, 20241 hr 13 min

Hey schools, go get your IRA tax credits!

US public education infrastructure faces significant challenges due to years of deferred maintenance and the growing impacts of climate change. Luckily, the Inflation Reduction Act offers substantial, easily accessible financial assistance to schools in the form of direct-pay tax credits for climate-friendly upgrades. Many schools don’t even know about them. In this episode, Sara Ross and Jonathan Klein of UndauntedK12 discuss their efforts to spread the word. This is a public episode. If you'd ...

Jun 28, 202453 min

Heat pumps with thermal batteries

In this episode: more heat pumps! Jane Melia, co-founder and CEO of Harvest, discusses the advantages of teaming a high-end eat pump with a large thermal battery, to coordinate the timing of electricity consumption. Shifting the heat pump load can help reduce both costs and emissions. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jun 26, 202457 min

New York's congestion pricing fiasco

New York City was on the cusp of (finally) implementing a congestion pricing program when Governor Kathy Hochul announced earlier this month that it would be “indefinitely delayed.” In this episode, NY State Sen. Liz Krueger and Evergreen Action’s Justin Balik, both with deep history in New York’s congestion pricing drama, discuss Hochul’s mysterious and possibly illegal move, the apocalyptic budget implications, and what might happen next. This is a public episode. If you'd like to discuss this...

Jun 21, 20241 hr 4 min

What's up with electric aviation?

In this episode, CEO Kyle Clark of BETA Technologies walks us through the details of how to design, build, and operate electric planes — first for relatively short light-cargo flights, but eventually, he says, for all of aviation. I loved this conversation so much. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jun 19, 202458 min

Washington Governor Jay Inslee on his last big climate fight

In this episode, recorded at a live event, Washington State Governor Jay Inslee discusses his multiple decades of climate advocacy, his political successes, and the upcoming threat to one of his crowning achievements. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe

Jun 14, 20241 hr 21 min

Are markets the right tool for decarbonizing electricity?

In his book The Price Is Wrong , Brett Christophers argues that, contrary to recent economic triumphalism among renewables advocates, wind and solar are not profitable enough to attract the private capital necessary to scale as fast as they need to scale. In this episode, he and I dig deep (extremely deep) into the details. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jun 12, 20241 hr 36 min

Wrapping our heads around AI and climate

In this episode, I have a lively conversation with Alp Kucukelbir, co-author of a recent “Artificial Intelligence for Climate Change Mitigation Roadmap,” about the strengths and limits of AI in relation to climate, where it all might be headed, and how concerned we should be about the energy use of data centers. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

Jun 07, 20241 hr 21 min

Making mini-grids work in sub-Saharan Africa

More than half a billion people on the African continent lack access to electricity, and the number is only growing. In this episode, Tombo Banda of CrossBoundary’s Mini-Grid Innovation Lab discusses the longstanding barriers to electricity access in sub-Saharan Africa, why current business models haven’t been effective, and the mini-grid innovations that could turn the tide. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www...

Jun 05, 202447 min

Making carbon-free steel with clean electricity

Steel production generates almost 10 percent of global carbon emissions and has long been considered “hard to abate.” Enter Boston Metal, a startup that aims to make carbon-free steel using only (sing it with me!) clean electricity. In this episode, CEO Tadeu Carneiro explains “molten oxide electrolysis” and its potential to transform the industry. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

May 29, 202452 min

FERC's new rule and other exciting transmission news

In this episode, Rob Gramlich of Grid Strategies comes back on the pod to discuss the suddenly sizzling transmission world, where both President Biden and the Federal Energy Regulatory Commission have recently announced significant updates to transmission planning, permitting, and funding. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

May 24, 20241 hr 9 min

Using a Moneyball approach to elect state & local climate champions

Which political races should climate advocates focus on to get the most bang for their buck? (Hint: not the presidency.) In this episode, executive director Caroline Spears of Climate Cabinet explains how her organization uses data science to identify state and local races with high potential to impact climate progress. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

May 22, 202456 min

Making heat pumps better, easier, and a little sexier

In this episode, I talk with CEO Paul Lambert of startup Quilt, which came out of stealth this week with heat pumps that are not ugly. They perform well too, and are easy to buy and install, but mostly they’re not ugly. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe

May 17, 20241 hr 5 min

Envisioning a more democratic, bottom-up energy system

In this episode, California electricity guru Lorenzo Kristov shares his vision of a just, democratic, “bottom-up” grid based in distributed local energy. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe

May 15, 20241 hr 30 min

How climate change is portrayed in popular culture

Climate awareness is growing in the real world, but it remains rare in popular entertainment, as illustrated by some new research on climate in film. In this episode, Anna Jane Joyner discusses the efforts of her nonprofit, Good Energy, to help screenwriters tell climate stories better (or at all). This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...

May 08, 20241 hr 3 min
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