Resources & Insights
The Tariform blog
Practical writing on utility-bill data, microgrid savings analysis, and the messy realities of behind-the-meter accounting.
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Data Extraction
Utility Bill Data Extraction: From PDF to Pro-Forma, Proposal, or Audit
Turn utility-bill PDFs into line-itemized, tariff-aware, auditable rate data — and unblock the project-finance, consulting and solar-sales workflows that depend on it.
By Peter Pflaum11 min read

Savings Verification
Utility Bill Verification: Prove What Your Solar + Storage Actually Saved
Prove what your solar + storage portfolio actually saved — the actual bill against a reconstructed counterfactual, line item by line item, every site, every month.
By Peter Pflaum9 min read

Data Extraction
Why Generic OCR Fails on Utility Bills (And What Extraction Actually Requires)
Reading a utility bill and extracting one are different problems. The five places generic OCR breaks silently on C&I bills — and what domain-aware extraction does instead.
By Peter Pflaum8 min read
All articles

Savings Verification
Solar PPA Savings True-Up: Guaranteed vs. Actual Savings
7 min

Data Extraction
How to Extract Demand Charges from a Utility Bill
7 min

Savings Verification
Bill Verification vs. IPMVP M&V: Which Measures Solar Savings?
6 min

Savings Verification
How to Reconstruct Load for Solar Savings Verification (When Interval Data Is Messy)
7 min

Savings Verification
What Is Counterfactual Billing? The Hard Half of Savings Verification
6 min

Savings Verification
Modeled vs. Verified Solar Savings: Why the Footnote Fails
7 min

Savings Verification
Why Your Solar Is Producing on Plan but Saving Less Than Projected
7 min

Utility Bills
Demand Charge Ratchets, Explained (With a Worked Example)
6 min

Utility Bills
What Is a Demand Charge? (And How to Reduce It)
7 min

Utility Bills
How to Read a Commercial Utility Bill: A Line-by-Line Guide
8 min

Project Finance
How to Build a Defensible Solar Pro-Forma Baseline
7 min

Data Extraction
Why Generic OCR Fails on Utility Bills (And What Extraction Actually Requires)
8 min

Savings Verification
Utility Bill Verification: Prove What Your Solar + Storage Actually Saved
9 min

Data Extraction
Utility Bill Data Extraction: From PDF to Pro-Forma, Proposal, or Audit
11 min