Insights

Field notes from inside commercial solar.

A working library on commercial economics, incentive structures, and the operating systems behind a scalable commercial business. Grounded in active projects, not theory.

Insights covers what actually moves commercial solar deals from interesting to bankable. Each piece is written for owners, CFOs, and installers evaluating real decisions on real timelines.

What to expect
  • Federal tax credit strategy under the current safe-harbor framework
  • Project finance and capital stack structuring for commercial deals
  • Incentive stacking across federal, state, and utility programs
  • Operating systems that hold up when commercial outpaces residential
Talk it through

Apply this to your project in a 30-minute call.

A discovery call calibrates anything you read here to your pipeline, market, and project timeline.

Book a 30-minute discovery call
Published and upcoming

Latest field notes

Published July 14, 2026NEW

Reading a commercial solar production model: what P50, P90, and degradation actually mean for your NPV

Two proposals for the same 250 kW rooftop can show identical first-year kWh and diverge by six figures over 25 years. The three lines in a production model that decide it, and how an owner should read them before signing.

Read the briefing
Published July 7, 2026NEW

What just happened to commercial solar economics: the July 4 deadline in retrospect

A field retrospective on the July 4, 2026 BOC deadline. What the final sprint looked like, the scale of what got safe-harbored, and what the post-deadline commercial market actually looks like for Colorado owners.

Read the briefing
Published June 16, 2026NEW

MACRS depreciation math after the credit cliff: what the numbers actually look like for commercial solar in 2026.

A CFO-grade walkthrough of after-tax economics on a 500,000 dollar commercial solar project in 2026. Three bonus depreciation scenarios, Colorado conformity, and the line items most CFOs miss.

Read the briefing
Published June 13, 2026NEW

The 5 percent safe harbor is back. The July 4 deadline is not moving.

A federal court restored the 5 percent safe harbor on June 6, 2026. The July 4 BOC deadline is unchanged. A field briefing for commercial owners on what to authorize in the next 21 days.

Read the briefing
05 / Field note

The domestic content bonus in 2026: what counts, what does not, and how to document it

The manufactured product component threshold increased to 50 percent for projects beginning construction in 2026, with a separate 100 percent requirement for structural steel and iron. Solar and storage sides of combined projects must qualify independently under Section 48E. The IRS elective safe harbor reduces documentation burden but comes with conditions developers frequently miss.

06 / Field note

Energy Communities: how the bonus works, which sites qualify in 2026, and when to check

The Energy Communities bonus adds 10 percentage points to the base ITC with no application window and no capacity cap. Eligibility runs across three pathways: coal closure, statistical area fossil fuel employment, and brownfield sites. IRS Notice 2025-31 updated the qualifying lists and expanded coverage. For ITC projects, eligibility is tested on the placed-in-service date, not at construction start.

07 / Field note

C-PACE capital stack mechanics: lender consent, lien priority, and what kills a deal in underwriting

C-PACE sits senior to the mortgage and subordinate only to property taxes, which means the existing lender must provide written consent before the assessment can close. Typical capital stack architecture places C-PACE at 15 to 25 percent of project cost, displacing equity and reducing personal guaranty exposure on the senior loan. Deals that skip early lender engagement are the ones that miss closing timelines.

08 / Field note

The Low-Income Communities bonus adder: 10 or 20 percent, allocated annually, and why applications fill in the first 30 days

The Low-Income Communities bonus is the only IRA adder that requires a competitive allocation award before the credit can be claimed. The 2026 application window opened February 2 and runs through August 7, but the first 30 days function as a simultaneous submission window. Applications filed after March 3 are reviewed on a rolling basis only after prior-window demand is cleared. Demand has exceeded available capacity in each program year to date.

09 / Field note

SGIP in 2026: what is funded, what is waitlisted, and how the commercial pathway actually works

The $280 million Residential Solar and Storage Equity budget launched in June 2025 at $1,100 per kWh for qualifying low-income installations. The commercial Large-Scale Storage budget operates separately, currently at $250 per kWh with step-down rates above 2 MWh, and has been under sustained budget pressure since 2022. Commercial developers should verify step funding availability with the applicable utility program administrator before committing SGIP incentives to a financial model.

Commercial solar brief

Get our quarterly commercial solar brief

Field notes on tax credits, incentive structures, and project economics. Three to four emails a year, delivered to commercial owners and installers actively evaluating solar.

No spam. Unsubscribe any time. Powered by Beehiiv.