Louis Albanese grew up around his relatives in Trumbull, Connecticut, a quiet town two hours outside New York. He studied economics and engineering in college, worked at Merrill Lynch in New York and Hong Kong. There he remembers spending his evenings reading equity research on electric vehicles in 2010, before Tesla was a cultural moment and before anyone had given the energy transition a catchy name. He left Wall Street for First Solar, then left First Solar to be the 5th non-founder at a YC startup. There he learned what it takes to build something from scratch. His old colleagues from his First Solar days started Saudi Aramco's North American venture team in 2013, and pulled him onto the team in 2014. He has been kicking around in energy and venture ever since. 

Today, Louis is an Investment Director at Aramco Ventures with a global mandate across renewables, carbon capture, energy efficiency, and operational enterprise technology. He has spent his career at the intersection of energy systems and capital markets, from underwriting large-cap financings to backing emerging technologies that can change how the grid operates in practice. What has stayed fixed across all of it is the question he started with: how does an electron get from source to socket, and how do we make that journey cleaner? In this conversation, he talks about timing, contrarian bets, and what it means to invest in companies you would actually want to work for.

What first drew you to the energy sector, and why has it remained your focus?

People across the globe turn on their light switch and don't have a grasp on how that electron came to light up their light. And maybe don't have an appreciation for how we can proactively approach generating cleaner electrons. That always fascinated me. I made a conscious choice to, via venture capital, try to incubate new technologies that could create a better future for all of humanity.

In my spare time I'm reading books on the history of energy and water resources in the US and California. And I have a fishing license. I go coastal foraging, get algae and mussels and sea urchins, cook them up, do dinner parties. Staying connected to the environment, whether that's hiking or foraging, keeps you honest. You start seeing micro-changes in specific fishing spots over the years. It makes the work feel less abstract.

How did moving from Merrill Lynch to a five-person YC startup change the way you evaluate companies?

The breadth of that experience really helps. At 22, 23 years old I was sitting at a desk in midtown Manhattan talking to CFOs on their weekends while they were playing golf about debt raises for large publicly traded companies. And then later I was working with startups that had five, ten, twenty employees. Understanding both sides of that helps you see from a higher level where a company needs to be, where they are today, and how to get there. At the startup we were coming up with 100-day sprint plans for a new city launch. That muscle matters when you're trying to help a portfolio company prioritize with limited capacity.

How do you define your role as an investor and partner to portfolio companies?

At the stage I'm at, I'm probably not investing in any company I wouldn't want to work for myself. Would I join this company tomorrow if the right piece came up? That's the real filter. I view myself as part of the team rather than just a source of capital. It's more meaningful than just putting your own capital in, because you are actually working with them, whether that's on unit economics, on scale, on fundraising strategy. It has to be a team you respect and a mission you'd show up for.

You’ve said timing is everything in venture. How do you think about “right company, right moment”?

Never write off an interesting founder or an interesting company. It might not be the right time in a company's journey for you to back them, but be patient and wait for the right opportunity. With XL Fleet there were a couple of different opportunities to fund them, and I feel like I chose a very interesting juncture. There's a big debate about whether battery electric or hybrid electric vehicles will win, and there's a lot of nuance behind it as you go from a Class 1 vehicle, your passenger car, to a Class 8, an 18-wheeler, and what level of electrification fits each class. Taking a view that hybrid was the best fit for that fleet segment was a little contrarian. But a mix of timing, on a macro level, a markets level, and a company trajectory level, made it the right moment. It turned out well for the fund.

What kinds of bets or dynamics do you generally avoid in climate and energy investing?

It's always been difficult to bet on regulation. Backing a company based on either an existing rule or one you think is going to take effect tends to leave people with egg on their face. You have to understand, on a first principles basis, the cost structures that exist today and what a company can produce going forward. If your first commercial plant isn't profitable and you're trying to run it at a loss, how long can you really do that before you're out of money? Venture's role is to ensure there's a line of sight to a viable business.

Where are you seeing the most compelling opportunities in energy and climate right now?

New firm baseload generation is going to be incredibly impactful. Data centers need five nines of reliability and the question of where that power comes from is very real. Nuclear fission and fusion is interesting. Geothermal is interesting. There was a big bump maybe a decade and a half ago around geothermal, a lot of big companies got burned, but it was still a good idea. Via some de-risking in drilling and the advent of AI, the opportunity is back. If you stay in touch with the founders and keep tracking the technical hurdles that have been de-risked over time, you can figure out the right time to enter before it becomes part of pop culture in venture.

Beyond generation, solar and wind are going to go up and to the right. The question is what derivatives do you play. The permitting, siting, interconnection, and O&M layer behind utility-scale build-out is undercapitalized and could yield a venture-grade return. And as utilities scramble to manage distributed energy resources at scale, DERMS platforms that take load off the grid are worth watching closely.

What aspects of the role do you find most challenging today?

When the management team and the board have a very different view on strategy. Working through that, whether it ends in a new CEO or a new COO or a new product hire, those are always difficult conversations. And right now in climate there's a real challenge around what I'd call radical acceptance. You have companies that fundraised behind a certain vision, and a 180 on regulation has dramatically affected their necessary trajectory. The question becomes: you have X in the bank, how do you continue to be a going concern and go raise more capital to do Y? How do you be a cockroach in winter, survive the storm, and maybe come out the other side absorbing your previous competitors?

What perspective would you like more people in tech and venture to have about their relationship to the energy system?

I was at a barbecue in San Francisco recently. Most of the folks there were in the B2C tech world. And my gripe was, you guys are generating all this heat and using all these electrons, and I'm the one trying to clean up the mess. I think it would be very advantageous for everyone to work together to solve these problems rather than just chasing the next round or the next customer. Michael Lee, the former CEO of Octopus Energy has some really interesting ideas on how data centers can be load balancing. I think really understanding the implications behind some of this stuff is pretty important for everybody.