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Which online calculators are best for figuring out if my roof angle is too flat for efficient solar generation?

ChatGPTgpt-63 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Which online calculators are best for figuring out if my roof angle is too flat for efficient solar generation?
3 real searches · 1 real-search pass
best online solar panel tilt angle calculators roof pitch PVWatts NREL calculator compare annual energy productionGoogle ↗
OBSERVEDComparison
NREL PVWatts calculator tilt azimuth roof angle officialGoogle ↗
OBSERVEDReason
Global Solar Atlas photovoltaic power calculator tilt angle officialGoogle ↗
OBSERVEDOther / navigational

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (3)
Short factOther / navigational33%Comparison33%ConsequenceReason33%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT3 real searches · gpt-6
best online solar panel tilt angle calculators roof pitch PVWatts NREL calculator compare annual energy production Google ↗
NREL PVWatts calculator tilt azimuth roof angle official Google ↗
Global Solar Atlas photovoltaic power calculator tilt angle official Google ↗
  1. Open the free PVWatts calculator · pvwatts.nlr.gov
  2. PVWatts Calculator · pvwatts.nrel.gov
  3. Open Global Solar Atlas · globalsolaratlas.info
  4. Global Solar Atlas · globalsolaratlas.info
  5. Open PowerLab Tilt Calculator · powelab.org
  6. Solar Panel Tilt Angle Calculator · turn2engineering.com
  7. Best Practices for Siting Solar · docs.nrel.gov
  8. Open SolarMathKit · solarmathkit.com

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
best online solar panel tilt angle calculators roof pitch PVWatts NREL calculator compare annual energy production
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1
NREL PVWatts calculator tilt azimuth roof angle official
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
Global Solar Atlas photovoltaic power calculator tilt angle official
OBSERVED
Google ↗
AI Mode ↗
—Other / navigational——1x
of 1