The Energy Trust of Oregon, ETO, offers incentives for feasibility studies to offset the upfront cost of the solar site evaluation, preliminary system design, initial engineering and utility interconnection due diligence required to ensure a solar electric system is financially feasible. The incentive reduces the upfront cost to the customer and then is paid to the solar trade ally after final approval. The ETO covers 80-90% of the cost of a feasibility report for most non-residential customers.

For details on eligibility and requirements, see ETO Incentives blog posts.

 

Step 1: Solar Program Application

To be filled out, signed, and submitted to the ETO by the project owner.

 

Step 2: Incentive Application

To be filled out by the solar trade ally, signed by the project owner, then submitted to the ETO together with a quote and SOW. The incentive application depends on which type of feasibility report you’re requesting.

 

Standard Solar Feasibility Study

Solar PV Only • Total Cost $2200

ETO Incentive $1700

Includes

  • Executive summary including a description of key findings, solar analysis, and estimated project installation timeframe.

  • Solar Resource Assessment report showing the PV system energy performance impact of shading, system tilt and orientation using HelioScope.

  • Site specific equipment selection considerations and recommendations for racking, mounts, and inverters.

  • Preliminary site plan including proposed PV system location

  • Preliminary single line diagram (SLD) including planned electrical components, voltage drop calculations, and a detailed schedule of system components

  • Financial summary with estimated cost, including estimated tax credits, accelerated depreciation, grants, and potential Energy Trust incentives, as applicable.

  • A brief outline of any design, permitting, zoning, structural, electrical, or interconnection considerations that may affect the potential system design, project timeline or installation cost.

 

Solar Feasibility Study + Storage Option

Ideal for considering energy storage options for the future • Total cost $2700

ETO Incentive $1700

Includes

  • Everything listed above for the Standard Solar Feasibility Study

  • Additional energy storage equipment selection considerations and recommendations

  • Additional drawing of PV + energy storage system layout

  • Additional Single line diagram (SLD) for PV + energy storage design option

 

Solar Plus Storage Feasibility Study

Full energy storage analysis for today • Total Cost $5000 • ETO Incentive $2500

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Includes

  • Executive summary identifying key findings from the study and recommendations for next steps.

  • Solar Resource Assessment report showing the expected annual PV electricity production with the impact of shading, system tilt and orientation on system performance.

  • Description of the capacity, expected storage potential of the energy storage system

  • Summary of potential benefits that the specific solar plus storage system is capable of providing the client. Summary of the Energy Storage System use cases that the chosen equipment is capable of providing that have grid benefits. Any other potential benefits that the Energy Storage System can provide.

  • Site specific equipment selection considerations and recommendations for racking, mounts, inverters, and energy storage systems.

  • A brief outline of any design, permitting, zoning, structural, electrical, or interconnection considerations that may affect the potential system design, project timeline or installation cost.

  • Preliminary site plan including proposed PV plus storage system location

  • Preliminary single line diagram (SLD) including planned electrical components, voltage drop calculations, and a detailed schedule of system components

  • Analysis of customers electricity consumption and utility tariff rate.

    • For new commercial construction, a modeled load profile with 15-minute or maximum 1-hour data

  • Financial summary with estimated cost, including estimated tax credits, accelerated depreciation, grants, and potential Energy Trust incentives, as applicable. Financial benefit provided by the solar array for all proposed and the financial benefit provided by the battery storage system.

 

Step 3: Work on Feasibility Study

Work cannot begin until the ETO approves the feasibility incentive

Upon ETO approval of the feasibility incentive, we’ll begin working on the feasibility study and provide updates each week.

Documents needed:

  • Electric bills for one full year.

    • If considering storage option, electric bill should include itemized demand charges.

  • Existing site electrical drawings.

    • If these are unavailable a site visit will be needed.

 

Step 4: Review & Submit

Once we’ve completed the report we’ll send a draft copy for client review. After review a final copy of the report will be sent to the ETO and the client.

 

Step 5: ETO Approval

Final review of the feasibility report and approval from the ETO can take several weeks. If seeking approval by a particular date, inform the ETO at the time of application.