01
FEASIBILITY ENGINE
Payback Pulse
Turn a monthly bill into a system-size, savings, and payback estimate you can inspect before an installer call.
MODEL / ACTIVE
rooftop decision intelligence / India
Make the solar decision auditable.
Zenith turns a bill, a roof, and a policy context into a decision surface you can question before you commit capital.
transparent assumptions decision-support output bill or image input
solar yield trace
7.8 MWh / year
decision flag
Payback is a function of the inputs.
system size
5.4 kW
payback estimate
3.2 yr
net cost
₹1.92L
input
bill / roof
Start with what you know.
model
ROI + NPV
Surface the math.
context
subsidy
Keep policy visible.
output
next move
Know what to verify.
01 / signal modules
Five angles. One decision trail.
Each module has a job. The interface keeps the boundary visible between deterministic calculation, policy context, image analysis, and experimental systems work.
02
INVESTMENT SIMULATOR
20-Year Vision
Stress-test tariffs, degradation, financing, and operating costs across a long-horizon solar asset model.
ESTIMATE / PARAMETRIC
03
POLICY CONTEXT
Subsidy Scout
Keep central and state incentive assumptions visible so a subsidy estimate never masquerades as a guarantee.
POLICY / REVIEW
04
ROOFTOP VISION
Photon Hunter
Explore usable roof area, obstructions, orientation, and panel placement through the computer-vision beta path.
BETA / IMAGE
05
MICROGRID LAYER
Grid Guardian
See the experimental optimization surface for generation, storage, grid draw, and tariff-window decisions.
EXPERIMENTAL / LUMEN
02 / method
The model is only useful when the assumptions stay in view.
Zenith is designed as a guided handoff: every result should lead to a verification step, not a vague sense of certainty.
01 / workflow step
Capture the signal
Enter a monthly bill or start the rooftop path. Missing information stays explicit.
02 / workflow step
Run the model
Calculate capacity, generation, cashflow, payback, NPV, and IRR from structured inputs.
03 / workflow step
Add policy context
Apply a subsidy estimate with the scheme and state caveat attached.
04 / workflow step
Choose the next check
Export or continue only after the output tells you what still needs field or policy verification.
evidence ledger / sample
What the output means
| signal | surface | boundary |
|---|---|---|
| Bill input | Captured | user supplied |
| System size | Calculated | formula output |
| Subsidy | Estimated | policy review |
| Roof layout | Beta | image dependent |
| Installer quote | Pending | outside system |
operator note
An estimate is a useful starting point only when a human can see its inputs, limits, and next verification step.
03 / intelligence layer
See the long game before it owns the conversation.
The projection surface makes the trade-offs legible: upfront cost, clean generation, grid draw, and the moment the model crosses into positive return.
projection / illustrative
Cumulative cashflow
payback
3.2 yr
net value
₹15.4L
confidence
input-led
04 / access paths
Start with the decision you need to make.
The public path is for inspection. The protected paths keep the analysis workflow and route context together.
HOMEOWNER
Planning toolkit
Build a transparent first pass around bill, roof, subsidy, and long-term return assumptions before talking to an installer.
- • feasibility score and payback
- • subsidy eligibility estimate
- • long-horizon savings model
- • basic rooftop capacity path
EPC / PRO
Installer intelligence
Carry a client-ready model into the next conversation with IRR, NPV, cashflow, layout, and policy assumptions in one place.
- • proposal-ready decision output
- • financing and tariff scenarios
- • system configuration context
- • repeatable customer workflow
05 / boundary notes
Good decisions leave a paper trail.
A few direct answers about what the platform does, what it estimates, and what still belongs in the real world.