Latest / The Buyout Show with Fexingo: Private Equity, Roll-Ups, and Business Acquisitions / How Private Equity Is Buying Up Rooftop Solar Installers
Transcript
- Lucas: I was looking at the number of rooftop solar installations in the US last quarter, and it hit me — the company that installed my neighbor's panels changed hands twice in the last year, and nobody in the neighborhood even noticed. Luna: Right, because the name on the truck stayed the same. The logo on the side of the van doesn't change when the private equity firm behind it does. Lucas: Exactly. And that's the story today. While everyone was watching the big public names — the SunPowers, the SunRuns — private equity has been quietly buying up small regional installers, the ones with fifty trucks and a solid local reputation. We're talking about a roll-up wave that, by my count, has accelerated meaningfully since 2023. Luna: So this is like the self-storage play but with solar panels. Buy a fragmented market of small operators, consolidate, squeeze out procurement savings. Lucas: That's the template, but there's a wrinkle. Solar installation is a service business with a construction component, not a passive asset like a storage unit. You've got crews, permits, weather delays, and a product that's getting cheaper every year — which is great for the customer but brutal for the company that just paid top dollar for an installer's backlog. Luna: So what does a typical installer look like before the buyout? Walk me through the economics. Lucas: So you've got a company doing maybe ten to twenty residential installs a month, revenue around five to ten million a year, and gross margins that look decent on paper — maybe thirty percent — but net margins are razor thin, often in the low single digits. The reason is customer acquisition costs. Solar is a considered purchase, so the installer is spending heavily on sales reps, door-knocking, digital ads. That eats the margin. Luna: And then the actual installation is labor-intensive. You've got qualified electricians, roofers, permitting — it's not like flipping a car wash. Lucas: No, not at all. And that's why the PE playbook is interesting. The firms don't come in and try to change the way the panels are put on the roof on day one. They consolidate the back office, negotiate better panel pricing — because now they're buying for a hundred installs a month instead of ten — and they push on the sales funnel. Some of them are also bundling in financing, which is a big deal. Luna: Financing — you mean the lease and power purchase agreement model. Because that's where the real money might be, not the installation itself. Lucas: Right. The install itself is a one-time transaction, but a twenty-year lease or a power purchase agreement turns the customer into a recurring revenue stream. That's a very private equity way of looking at the world. You buy the installer, but you're really buying the contracted cash flows. Luna: And you get to keep the tax credits and the depreciation. For a PE fund with taxable income elsewhere, that's a meaningful part of the return. Lucas: That's the part that gets less attention. The investment tax credit — thirty percent on residential solar — doesn't just go to the homeowner. If the installer owns the system through a lease, the company captures that credit. So you have a financial engineering layer on top of the operational roll-up. Luna: But here's what I keep coming back to — we've seen this movie before. The big solar names, the ones that tried to do everything in-house, they went bust. SunPower declared bankruptcy in 2024. SunEdison collapsed in 2016. What's different about these small regional outfits? Lucas: For one, they're smaller, so they're easier to digest. And the PE firms aren't trying to build a national brand — they're building a regional one, or several regional ones. They don't care if the company is called 'Bright Sky Solar' in Texas and 'Pacific Sun Works' in Oregon. What they care about is the procurement savings and the shared back office. Luna: But do the economics actually work? Because solar panel prices have fallen so much that installation is now the biggest cost component. If the panels keep getting cheaper, the value of buying a big backlog might shrink. Lucas: That's the sharpest critique. And it's why these deals are priced carefully. Some firms are pivoting to a 'solar as a service' model, where the installer doesn't just install, but also monitors and maintains the system. That gives them a sticky, recurring relationship and a reason to exist beyond the initial install. Luna: So they're becoming more like an energy services company than a construction firm. That's a different valuation multiple. Lucas: Exactly. A construction company trades at maybe four to five times earnings before interest, taxes, depreciation, and amortization. An asset-backed energy services company can justify eight or ten times, especially if the cash flows are contracted. So the PE firm buys the installer at a construction multiple, then works to transform it into something that can be sold at a services multiple. That's the value creation story. Luna: And sometimes the value creation story is just 'we'll cut costs' — which is fine, but it has its limits when you need skilled labor and a good reputation. You can't outsource trust. Lucas: That's the tension. Solar is a local trust business. You're inviting someone onto your roof and signing a twenty-year contract. The whole pitch from these PE firms is that they'll preserve the local brand and the local service, but the pressure to hit return targets can undercut that. Crews get stretched, customer service becomes a call center, and suddenly the five-star online rating slips. Luna: And we've seen exactly that in other industries — the vet clinics, the dental practices. The consolidation works financially for a while, but then the service quality becomes the thing that gets squeezed. Lucas: Right. And in solar, there's an added layer — the political whiplash. Net metering rules change, state incentives get cut, and the investment tax credit has been a political football. A fund that bought an installer in California or Florida on a ten-year model can get caught off guard when policy shifts mid-horizon. Luna: So the risk profile is different from buying a parking lot. You're not just managing an asset; you're managing a business that lives or dies by regulatory decisions. Lucas: And that makes the due diligence a lot harder. You can model the procurement savings, but you can't model what a state legislature might do to net metering in three years. Some firms are okay with that risk because the potential returns are higher. Others have been burned already. Luna: Give me a concrete example of a firm that's been active in this space. I know there are a few names that keep popping up. Lucas: Sure — but I'd rather talk about the approach than any single fund, because the deal flow is happening at a regional level. There are firms like Basis Climate, which has raised dedicated solar funds. And the big strategic players like Sunrun have also been acquisitive. The interesting ones are the mid-market buyout shops that you wouldn't expect — the same firms that were doing industrial laundries a decade ago. Luna: So they're applying the same playbook, just with a different widget. It's the same discipline: consolidate a fragmented market, improve procurement, standardize processes, and flip it. Lucas: And that's what makes it such a great case study. Solar is a frontier for the roll-up model, but it also exposes the limits of that model. Because unlike a laundromat, a solar installer has to navigate a rapidly evolving technology curve. If a better panel comes out, the installer has to train its crews and adapt its sales pitch. That's not a static asset. Luna: And the customer is also more informed — or at least more skeptical. There's been so much hype and so many horror stories about solar leases that trust is the real currency. Lucas: That brings me to something I want to mention, because it's connected to what fuels this show. We keep doing these deep dives into how private equity works in different industries — and we can only do that because a small group of listeners chips in a few dollars a month. It's ad-free and listener-funded, which is rare in this space. If these conversations have helped you think about your own business or career in a new way, you can support the show at buy me a coffee dot com slash fexingo. Nothing fancy, no perks, just knowing you're helping keep this going. Luna: Yeah, and it honestly makes a difference. We read every message. It's what lets us spend the time on the research, not just the headlines. Lucas: So back to the solar story — the other thing that's changing is the technology itself. We're seeing more installers add battery storage, and that's actually a more profitable add-on than the panels. It's a natural hedge against the falling panel prices. Luna: So the next phase of the roll-up might be 'solar plus storage' — where the PE firm is buying not just an installer, but a local energy resilience company. Lucas: Exactly. And in markets like California, where time of use rates punish afternoon usage, a battery can shift when you use your power and save real money. That's a much easier sell than just 'save the planet.' Luna: But it also requires more technical expertise, more insurance, more everything. The complexity goes up, which might favor the bigger consolidated players. The small independent installer that doesn't have a PE backer might struggle to keep up. Lucas: That's the irony. The consolidation wave might be accelerating exactly because the technology is getting more complex. A single mom and pop shop can't afford to carry ten different battery models and train its crew on all the inverter brands. A roll-up can. Luna: So the very thing that makes solar different — the tech — is also what's making it look more like every other roll-up industry. Scale matters. Lucas: But here's the catch. Scale helps with procurement and training, but it doesn't solve the policy risk. And if the investment tax credit gets diluted or net metering gets gutted in a key state, the whole business model shifts. The PE firms that model for that — they'll survive. The ones that don't, they'll be the ones selling off their portfolios in a fire sale in a few years. Luna: So we're at an inflection point. The smart money is consolidating, but the fundamentals are still fragile. It feels like the next few years will decide whether solar installers become a utility-like asset class or just another cautionary tale. Lucas: And that's the story we'll be watching. For now, the wave is real, the deals are happening, and the trucks on your street are changing hands more often than you think.