1. Screen the property
Enter one Connecticut commercial address to see a preliminary roof layout, system size, production range, and confidence before sharing contact details.
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Use the free estimator for a preliminary layout, or share your preferred response method with the commercial team. Final feasibility still requires site, utility, and engineering review.
Plan roof, ground-mount, or carport solar from the property's real load, utility tariff, site constraints, and current program rules. In Connecticut, NuWatt's in-house engineers design and install the project — a direct EPC, not a lead reseller.
Electricity value
Utility-specific
Rate class + interval load
Installed cost
Quote-specific
No statewide $/W inserted
Production
Site-specific
Geometry + shading model
Program facts
Source-dated
Official sources linked
Connecticut commercial quote path
NuWatt's commercial estimator can return a preliminary roof layout, system size, annual production range, and confidence grade from one Connecticutproperty address before contact details. A final EPC quote still requires the facility's load, tariff, site and engineering scope, interconnection review, and confirmed program and financing eligibility.
Enter one Connecticut commercial address to see a preliminary roof layout, system size, production range, and confidence before sharing contact details.
Analyze the propertyConfirm Eversource or United Illuminating service, rate class, interval demand, NRES category and election, site control, interconnection scope, and any C-PACE or tax eligibility.
Review CT programs and economicsUse site-specific production and a real EPC price to compare cash, debt, C-PACE where available, and PPA structures without substituting statewide averages.
Compare financingCheck scope, production assumptions, incentives, exclusions, warranties, and financing terms before treating any proposal as decision-ready.
Check a proposalStart with NuWatt’s address-based commercial estimator to see preliminary roof capacity, system size, production, and confidence before sharing contact details. A final Connecticut EPC quote then requires Eversource or United Illuminating service and rate class, facility usage and demand, structural and electrical scope, interconnection review, and confirmed NRES, financing, and tax eligibility.
The Connecticut decision brief
Choose the NRES revenue pathway before comparing project returns.
Buy-All and Netting account for generation differently. Model the chosen arrangement rather than adding full export revenue to savings from the same electricity.
Confirm the serving utility, project category, current solicitation requirements, and award terms. One statewide NRES price cannot describe every project.
Document interconnection and metering requirements alongside the program application. A projected incentive does not establish permission to operate.
The Section 48E begin-construction window closed July 4, 2026: projects that began construction on or before that date may use the longer continuity pathway. Commercial solar projects starting now generally must be placed in service by December 31, 2027. The statutory credit is 6%; it can increase to 30% when the applicable prevailing-wage and registered-apprenticeship requirements are met. Commercial tax credit guide →
IRS Notice 2025-42 · verified 2026-08-06The value comes from the facility's real load, tariff, site, and tax position—not a generic statewide payback.
Generating power on-site turns a variable grid charge into a fixed project cost you can model for the life of the system in Connecticut.
Model the 6% statutory Section 48E credit, the increase to 30% when PWA rules are met, and 100% first-year bonus depreciation only when your tax team confirms eligibility.
Lower electricity spend flows straight to operating income — a durable line-item reduction, not a one-time rebate.
On-site clean generation supports emissions targets and the sustainability requirements tenants, investors, and municipalities increasingly ask for.
Program decision layer
Official program facts are separated from customer inputs and modeled results so a planning number cannot be mistaken for an approved incentive or a measured outcome.
Current Connecticut program
PURA says the 2026 review increased category price caps, established an annual budget cap, and updated the nonrefundable bid fee. NuWatt therefore does not hardcode a single NRES award price: use the current RFP, your utility rate class, and the price on the bid or Statement of Qualification.
Verified 2026-08-31
Enter your own retail rate and Buy-All award to see which 20-year election wins.
NRES tranche: Medium (over 200 – under 1,000 kW)
Editable default — adjust for your site's orientation, tilt, and shading.
Share of generation used on-site (Netting only — Buy-All sells 100%).
From your Eversource or United Illuminating bill (example shown — replace with your figure).
Your bid or assumed award (example shown — replace with your figure). Medium and Large tranches are competitively bid; Small and School tracks are PURA-set.
Netting
$82,250
per year
20-year (level): $1,645,000
Buy-All
$82,250
per year
20-year (level): $1,645,000
At these inputs the two elections are effectively a tie.
Buy-All overtakes Netting once your award price rises above your retail netting rate — breakeven award here is $0.2800 per kWh.
Because Connecticut credits exported generation at the full retail rate, your self-consumption mix shifts where the Netting value comes from but not the Netting total. The real decision is Netting (valued at retail) vs. Buy-All (valued at your award), so a Buy-All award above retail wins — but Buy-All means you still buy 100% of your load at retail.
Estimates only — both NRES elections run a 20-year term. Netting value rises over the term as retail rates escalate, while a Buy-All award is a fixed 20-year price; this level view does not model escalation. This tool never sets an authoritative program rate: enter the retail rate from your bill and the award price from your bid or Statement of Qualification. The next NRES program year (PY5) RFP window runs August 3 – September 14, 2026.
Official program fact
Government or utility source, linked and date-verified.
Customer input
Your bill, rate class, interval data, quote, and tax assumptions.
Site model
Roof or land geometry, production, shading, and interconnection review.
Verified outcome
Only measured project results are called outcomes; examples stay labeled as models.
Compare like with like
| Arrangement | Where the value comes from | Records to compare | Mistake to avoid |
|---|---|---|---|
| Buy-All | Metered project output earns the awarded compensation; the facility still purchases its electricity. | Eversource or UI solicitation, selected project category, awarded price, settlement and metering terms. | Also claiming full self-consumption savings for electricity sold under Buy-All. |
| Netting | Separate onsite use, eligible exported energy and any contracted REC compensation. | Interval consumption and generation, tariff, award and utility billing method. | Using a Buy-All price as the Netting export value or adding an energy-and-REC bundled price twice. |
| Finance the chosen arrangement | Compare cash, loan or eligible C-PACE using that arrangement’s cash receipts. | Owner contribution, fees, lender consent, assessment/debt service and contract term. | Treating a financing advance as a rebate or assuming every property qualifies for C-PACE. |
Make two copies of the cash-flow export. In the Buy-All copy enter awarded annual receipts, not avoided facility purchases. In the Netting copy enter the reconciled bill reduction plus only separately payable compensation.
Change the production estimate, compensation term and interconnection allowance while keeping the same EPC scope in both alternatives.
Program references—not an award or tariff determination: Connecticut PURA · NRES program
One in-house engineering and install team, from first analysis through commissioning.
We model your building's real usage, roof, and Connecticut utility tariff, then engineer a system sized to your load and budget.
Our licensed crews handle permitting, interconnection, and installation, then commission and inspect the system so it powers up to spec.
At handoff your team gets production visibility through the manufacturer portal (Enphase or SolarEdge), backed by our workmanship warranty and support line.
Eversource Connecticut
United Illuminating
Project economics
Bring the installed-cost quote, site-specific production, utility-specific energy value, operating cost, financing terms, and confirmed tax assumptions. This state guide does not insert its own cost or payback model.
Rate 35 · One monthly charge, not the whole bill
Start with a specific bill line. These illustrative demand inputs are not an actual installation or a forecast. Reducing energy use in kWh does not prove a reduction in billing demand in kW.
Billing demand for this component. Existing Rate 35 account, maximum demand below 200 kW. Enter the billing demand established under the tariff—not array capacity or an assumed reduction from solar output.
This component changes only if its tariff-defined billing demand changes. Use interval data and the utility’s billing rules to establish that change.
Export payments, state incentives, tax benefits, project cost and operating expenses are not calculated here. No payback or annual savings is inferred.
Read the official Eversource Connecticut rate document. Official rate summary last updated May 1, 2026; retrieved September 5, 2026. Confirm the applicable bill-period tariff before using the result.
The $270 monthly customer charge, electric system improvements, transmission, public benefits, transition assessment, other adjustments and generation supply are excluded. Do not apply this example to another utility or schedule.
Your numbers · one shared calculation engine
Keep the EPC cash price, usable electricity value and dated benefits separate. Nothing below is prefilled with a state rate, invented installation price or assumed tax credit. Results stay on this device; this worksheet does not upload your bill or create an inquiry.
For this state: Make two copies of the cash-flow export. In the Buy-All copy enter awarded annual receipts, not avoided facility purchases. In the Netting copy enter the reconciled bill reduction plus only separately payable compensation.
Start with the building
These are planning scenarios, not claims about completed installations. Use the questions to make your site assessment and installer proposals more specific.
Do shift schedules and interval demand support the proposed system size and tariff choice?
Does the owner or tenant pay the electricity bill, and who can sign the utility agreement?
Which buildings share ownership, and which meters need separate applications or engineering?
The investment decision
Compare proposals on the same scope. Keep cash price, conditional benefits, and annual operating value separate so an attractive headline does not hide a missing cost.
| Decision input | Evidence to request | Check before relying on it |
|---|---|---|
| Installed project cost | An itemized EPC proposal | Roof work, switchgear, interconnection, and exclusions |
| Electricity bill value | Utility tariff + interval load | Self-consumed generation, exports, and remaining demand charges |
| Program compensation | Applicable rules + project award | Eligibility, permitted combinations, term, and payment timing |
| Tax or financing benefit | Project-specific professional review | Ownership, usable benefits, financing fees, and payment schedule |
| Long-term cash flow | A dated, transparent financial model | O&M, replacements, insurance, degradation, and financing |
Screen the site first. Final pricing, program eligibility, and savings still require verification.
Utility, tariff, site, and current program rules verified for the property before economics are modeled.
Utility, tariff, site, and current program rules verified for the property before economics are modeled.
Utility, tariff, site, and current program rules verified for the property before economics are modeled.
You can get an immediate preliminary Connecticut site screen from one property address, including estimated roof capacity, system size, annual production range, and confidence. A final EPC quote is not a generic instant price: it requires utility and load data, site and engineering scope, interconnection requirements, and verified program, financing, and tax eligibility.
Site-specific pricing with exact incentive calculations. No obligation.