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Tax Credits

The R&D Credit Reality Check Every Tax Professional Should Understand

Earmark Team · September 12, 2025 ·

Picture this: A small business owner walks out of a networking event buzzing with excitement. Someone just told them about the Research and Development tax credit. They’re already mentally calculating how much they’ll save on the custom software they’ve been developing for their consulting practice.

This scenario happens all the time, and it shows the gap between what business owners expect and what the tax code actually delivers. In this episode of Tax in Action, host Jeremy Wells, EA, CPA, breaks down one of the most misunderstood areas of tax law: the Section 41 Research and Development Credit.

The Credit That Sounds Simple But Isn’t

When clients first hear about the R&D credit, they focus on that appealing 20% credit for increasing research activities. It sounds straightforward: spend money on research, get 20% back as a tax credit. But as Wells explains, this credit is much more complex.

“I work with a lot of small service-based businesses,” Wells says. “So it doesn’t come up a lot in my practice, but there have been some cases where we’ve had businesses qualify for the credit, and that’s always a little exciting for me.”

That excitement comes after navigating through layers of complexity that immediately separate hopeful applicants from actual recipients.

Section 41 actually has three different parts: qualified research expenses, basic research payments, and Energy Research Consortium credits. For most businesses, only the first part matters. The basic research component applies to research without specific business goals, which Wells dismisses for his small business clients. “If they don’t have a business goal, they probably are not going to be able to afford to pay me for very long.” The energy research component targets massive global energy companies, not typical clients for most tax professionals.

Here’s where the “20% credit” gets misleading. It’s not 20% of research expenses. It’s 20% of the excess of qualified research expenses over a “base amount.” This base amount calculation is complex, but for most businesses, it defaults to 50% of qualifying research expenses.

Wells breaks down the math: “In general, we’re looking at 50% of qualified research expenses and then we’re taking 20% of that.”

The result? What sounds like a 20% credit actually delivers roughly 10% of qualifying research expenses as an actual tax benefit.

But even this 10% assumes businesses can navigate the qualification requirements, which proves much harder than the math.

The Science Requirement That Trips Up Most Businesses

The real barriers come from qualification requirements that act like scientific gatekeepers. Wells identifies the core problem: “This is probably the strongest limitation on what qualifies for research relevant to my clients. The research has to involve a process of experimentation that relies on the principles of either the physical or biological sciences, engineering or computer science.”

This creates an immediate disconnect. When most business owners think about research and development, they think of any effort to improve their operations: better customer service, more efficient workflows, or custom software. But Section 41 demands genuine experimentation rooted in hard sciences.

The “process of experimentation” adds another hurdle. Wells explains that this process “evaluates one or more alternatives to develop or improve a business component where the result was uncertain.” This isn’t about having a clear goal and executing a known path—that’s implementation, not research. True qualifying research requires genuine uncertainty about whether proposed alternatives will work, plus systematic testing of multiple approaches.

This eliminates entire categories of business activities that feel innovative but don’t meet the technical standards. Market research, customer satisfaction studies, workflow optimization, and business process improvements all fall outside the boundaries. As Wells states, “If your research consists of trying to understand your customers better, that’s not going to qualify as research.”

Software development faces even tougher standards. Internal software must pass what Wells calls “a very high bar” through the high threshold of the innovation test. This test requires proof of “substantial and economically significant” improvements, backed by “significant economic risk” where the business commits “substantial resources” with genuine uncertainty about recovery.

The economic risk part proves particularly challenging for small businesses because it excludes what Wells calls “sweat equity.” He explains, “What doesn’t count here, is that sweat equity, or the time spent by the business owner, or the uncompensated work by their partners, or even their staff.”

This requirement for actual cash rather than time investment doesn’t align with how most small businesses operate. The solo consultant developing custom software or the manufacturing business owner optimizing processes typically invest primarily time and expertise rather than substantial cash. Under Section 41, this automatically disqualifies them.

Making It Work: Expenses, Strategies, and Professional Help

For businesses that navigate the scientific requirements, the wage allocation requirements immediately complicate things for any business hoping to qualify through employee efforts.

Wells explains the 80% rule: “If you’ve got some sort of support staff spending at least 80%, four out of five working days a week directly involved in that research project, then their wages qualify in full.” Anything less than 80% requires careful splitting between research and non-research activities.

This gets trickier with executives. Wells has seen businesses try to claim big portions of C-suite wages for research. However, even technical CEOs who contribute to research projects rarely abandon their executive duties entirely. Wells says practitioners must “look at bifurcating, if not entirely writing off, their wages and salaries as not related to the actual research project itself.”

For businesses without internal research capacity, contract research offers an alternative, though with percentage limitations that reduce the effective credit rate. The general rule allows only 65% of contractor payments to qualify, though this increases to 75% for qualified research consortia and 100% for eligible small businesses, universities, or federal laboratories.

Wells breaks down the math for businesses relying entirely on contractors. “If all the qualifying research expenditures are paid to contractors, then we only get about 6.5% of those expenditures in terms of the credit.”

Despite this reduced rate, Wells suggests the contractor route might be easier than internal allocation headaches. “It might also be more advantageous to pay contractors and be able to take 65% of what’s paid to contractors than to worry about taking existing staff and trying to allocate some of their work toward the research project.”

Wells also highlights the payroll tax election as a cash flow strategy for startups. Rather than waiting years to use R&D credits against income taxes, businesses can elect to apply credits against the employer’s 6.2% Social Security tax, creating immediate benefits.

Given all this complexity, Wells strongly recommends working with specialists. “Finding a good, reputable firm to work with or to recommend and refer your clients to. But in general, it’s important that you understand the basis and the basics of section 41.”

Busting Common Myths

Wells addresses two common misconceptions about the R&D credit.

First, that service businesses automatically don’t qualify. While most service businesses won’t qualify for traditional reasons, Wells suggests this shouldn’t lead to automatic dismissal. “It might be possible to advise them in such a way to help them qualify for it, at least in part.” This might involve outsourcing research to qualified contractors, developing products for eventual sale rather than purely internal use, or ensuring research projects involve genuine experimentation rather than predetermined paths.

Second, that payroll is required. Wells points out that contract research expenses can qualify, even if at reduced percentages. While the effective rate drops for businesses using only contractors, “that might be better than nothing,” and “better than thinking that it has to be payroll and therefore nothing qualifies.”

The Bottom Line for Tax Professionals

The Section 41 R&D credit shows how well-intentioned tax policy is accessible primarily to those with sophisticated professional guidance. What sounds like a straightforward “20% credit” turns into a technical challenge that eliminates most hopeful applicants.

For tax professionals, understanding complex credits isn’t just about technical knowledge; it’s about managing client relationships and setting appropriate expectations. The practitioner who dismissively tells clients they don’t qualify without understanding restructuring possibilities doesn’t serve the client well. But the advisor who raises false hopes by oversimplifying requirements creates bigger problems.

Listen to the full episode of the Tax in Action podcast for Wells’ full breakdown of Section 41. His practical approach helps practitioners distinguish between realistic opportunities and unrealistic expectations while serving clients’ best interests.

The R&D credit may be complicated, but understanding its complexities opens doors to legitimate opportunities.

The Hidden Traps in Clean Energy Credits That Could Cost Your Clients Thousands

Earmark Team · August 27, 2025 ·

Picture this scenario: You just finished a call with a client who mentioned installing solar panels on her vacation home. Now it’s tax time, and she’s dropped off her tax documents, including information about the solar installation. Among the paperwork, you find two invoices: one for the solar panels, equipment, and installation labor, and another from a building contractor for roof work. Your client included a note explaining that the solar panel installation required structural retrofitting to make the roof suitable for the panels.

This is your first time dealing with solar tax credits. You know there’s some special tax benefit, but you’re not sure how it works. Which expenses qualify? How do you calculate the credit? And what about those two different invoices? Does the roof work count toward the solar tax credit?

This scenario comes from Jeremy Wells’ Tax in Action podcast, where he walks tax professionals through the residential clean energy credit. Wells, a CPA and Enrolled Agent in Florida, has seen this situation repeatedly as more clients install solar panels and other clean energy property.

While the residential clean energy credit offers substantial savings—at least until it’s eliminated at the end of 2025— tax professionals must navigate complex qualification rules, timing requirements, and cost allocation issues, often with limited regulatory guidance beyond the basic code section.

Understanding the Clean Energy Credit Basics

The residential clean energy credit comes from Internal Revenue Code Section 25D. It provides a nonrefundable credit for up to 30% of qualifying expenses on residential clean energy property. The credit was initially designed to be worth 30% of qualifying expenses through 2032, then drop to 26% in 2033 and 22% in 2034. However, H.R. 1, commonly known as the “One Big Beautiful Bill Act,” eliminated the credit at the end of 2025.

Since this is a nonrefundable credit, it can’t reduce a taxpayer’s liability below zero or create a refund. However, if the credit exceeds the taxpayer’s current tax liability, the excess carries forward to future years.

The qualifying property includes several types of clean energy installations:

  • Solar panels (most common)
  • Solar water heaters  
  • Small wind energy systems
  • Geothermal heat pumps
  • Fuel cell property
  • Battery storage property

It’s important not to confuse this with the residential energy efficiency improvements credit under IRC Section 25C, which covers items like new windows, insulation, or HVAC systems. Those fall under a completely separate credit.

What Makes a Residence Qualify

Unlike some residential tax benefits that only apply to primary residences, Section 25D has broader requirements. The property must be installed at a “dwelling unit,” a place the taxpayer actually lives in the United States and uses as a residence. This can include second homes, vacation homes, or summer homes, as long as the taxpayer uses them personally.

However, the credit doesn’t apply to rental properties or investment properties. If a client installs solar panels on a rental property, that falls under entirely different tax provisions.

Business use of the home creates additional considerations. If more than 20% of the property’s square footage is used for business purposes (like a large home office), you’ll need to allocate the expenses. The taxpayer can only claim the credit on the portion allocated to personal use of the home. For business use of 20% or less, no allocation is required.

Qualifying Costs and Technical Requirements

Determining which costs qualify for the credit requires careful analysis of invoices and documentation. Eligible expenditures include:

  • The cost of the property itself
  • On-site labor costs to prepare, assemble, and install the property  
  • Costs to connect the property to the home’s electrical or plumbing systems
  • Sales tax paid on eligible costs

However, not all installation-related costs qualify. Wells explains the critical distinction: “If the panels actually become a structural part of the roof, then we can include that cost. That’s different from saying that we had to do some work to the roof to be able to install those panels.”

In the opening scenario, the solar panel installation costs would likely qualify, but the separate roof retrofitting work probably wouldn’t. The roof work represents preparation rather than panels becoming part of the roof structure.

Different types of property have specific technical requirements:

  • Solar water heaters must be certified by the Solar Rating Certification Corporation or a comparable state-endorsed entity.
  • Geothermal heat pumps must meet Energy Star requirements.
  • Battery storage needs a capacity of at least three kilowatt hours. As Wells notes, “I’m not an electrical expert. I’m a tax professional. I’m going to ask the client for some piece of paper from the installer showing me that it has a capacity of at least three kilowatt hours.”
  • Fuel cells face cost limitations of $1,667 per half-kilowatt of capacity.

Any property that serves additional functions beyond energy production, like a swimming pool or hot tub heated by solar energy, can’t include those additional components in the credit calculation.

Rebates, Incentives, and Excess Generation

Rebates and incentives can affect the credit calculation. Direct or indirect rebates from manufacturers, distributors, sellers, or installers reduce the eligible costs. However, state government incentives typically don’t reduce the federal credit calculation.

A particularly complex issue arises when solar installations generate more electricity than the home needs. If the taxpayer sells excess electricity back to the grid, only the portion of costs related to the home’s actual electricity needs qualifies for the credit.

Wells acknowledges the challenge this creates: “Do we allocate this based on actual electricity generated and over what period of time? Should we be using data from the home’s electrical usage prior to installation? These are all unanswered questions as far as the guidance we have now.”

Timing Rules That Matter

When a taxpayer can claim the credit depends on the type of installation:

For existing residences, the credit applies when the property is completely installed, when work crews are done, and when the property is ready for use. For new construction or reconstruction, the credit applies when the taxpayer begins using the dwelling unit, which may be later than when the clean energy property is installed.

This distinction can shift credits between tax years and impact tax planning. Wells sees many situations where taxpayers start work in one year but don’t complete installation until the next year, or where installation happens late in the year but certification doesn’t arrive until the following year.

If taxpayers finance the purchase through the seller, they can calculate the credit based on the full cost of their payment obligation, not just the amounts actually paid. However, interest on financing doesn’t count toward eligible costs.

Documentation and Reporting Requirements

Tax professionals often find themselves helping clients gather documentation that the client should have obtained during the purchase process. This includes:

  • Detailed invoices breaking down eligible and non-eligible costs
  • Certification documents showing technical specifications
  • Information about any rebates or incentives received
  • Details about excess electricity generation and sale back to the grid

Taxpayers report the credit on Form 5695, Residential Energy Credits, with different lines for different types of property. The form calculates the maximum credit amount and applies limitations based on the taxpayer’s tax liability.

Since this is a nonrefundable credit, it can offset the alternative minimum tax but can’t create a refund. Any unused credit carries forward to future years.

Practical Takeaways for Tax Professionals

Wells emphasizes that, unlike most areas of tax law, practitioners have limited guidance beyond the code section itself. “We really don’t have much guidance beyond what’s in the code section itself. We don’t have any Treasury regulations related to this code section, which is not very common.”

This means tax professionals must rely heavily on professional judgment when making determinations about qualification, cost allocation, and timing. The key is asking the right questions:

  • Is this the taxpayer’s personal residence, and what percentage do they use for business?
  • What costs did the homeowner pay, and are there any rebates or incentives?
  • For a solar electric property, is the property owner selling any electricity back to the grid?
  • When was the property completely installed, or when did the taxpayer move into a new residence?

Wells notes that sometimes by helping clients gather proper documentation, “we actually help them ensure they’ve gathered all the documentation they might need in the future.”

The residential clean energy credit offers significant tax savings for qualifying installations, but success depends on careful analysis of costs, proper documentation, and understanding the technical requirements that vary by property type. While the guidance may be limited, a systematic approach to qualification and documentation helps ensure clients can take advantage of these valuable credits while maintaining compliance with tax requirements.

To hear Wells’ complete analysis and additional examples of how to handle complex scenarios, listen to the full Tax in Action episode.

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