What Is a Savings-to-Investment Ratio (SIR)?
The Savings-to-Investment Ratio (SIR) is the present value of a project's lifetime savings divided by its net investment. An SIR above 1.0 means the project…
October 14, 2026
Plain-language guidance on incentives, technology and energy finance.
What does SSI publish?
Silver State Incentives publishes practical guides on NV Energy incentives, commercial energy technologies and the financial metrics owners and CFOs use, such as SIR, IRR and payback. Articles are written by our energy consultants and updated as programs change.
The Savings-to-Investment Ratio (SIR) is the present value of a project's lifetime savings divided by its net investment. An SIR above 1.0 means the project…
October 14, 2026The affinity laws describe how centrifugal fans and pumps behave: flow follows speed, pressure follows speed squared, and power follows speed cubed. That cube…
October 14, 2026Utility incentives reward verified energy savings. An LED retrofit reduces wattage; networked lighting controls reduce the hours those LEDs run through…
October 14, 2026Short, factual, citable.
Written for owners and CFOs.
Updated as incentives change.
Incentive programs change each program year. Our articles explain the mechanics; your consultant confirms the current amounts for your site.
Adjust the inputs for a planning estimate. The full calculator adds incentives, payback, CO2 and a 10-year view.
Assumes $0.10/kWh and $12/kW-month. Change rates in the full calculator.
Planning estimate only. Actual savings and incentives are confirmed through an on-site audit and utility program approval.
We publish guides and program updates as NV Energy programs and technologies change.
Yes. Contact us with your question.
Yes, as program years change. Always confirm current terms with your consultant.
Yes, with a link back to the original.
Book a no-pressure consultation with a veteran energy consultant. We will show you the savings, the incentive and the payback before you commit.
Every month you wait is money lost to inefficiency. Incentive funding is limited per program year.