SEI Professional Services - Contractor Billing Portal

Welcome to the SEIPS Contractor Billing System. This is where you will be submitting your bill (invoice) for completed projects as well as monthly billing.

Please remember to send a separate invoice for each project and submit only ONE invoice per form.

Please use the task codes in the table at the bottom of this page for each task listed on your invoice.

If you have any questions, please don't hesitate to contact Katie Delbaugh at

Add notes about any special instruction for processing or items you want to bring to our attention.

100 Draftsman
101 CAD System Development and Support
102 PV System Designer
103 PV System Lead Designer
114 Staff Engineer
115 Project Engineer
104 Principal Engineer (electrical, civil, structural)
105 Plan Reviewer
106 Design Project Manager
107 Lead Technician (office work)
108 Assistant Technician (office work)
109 Consulting and Owner Representation
110 Business Development (non-billable acitvities)
112 Subcontract Consultant (mech, geotech, structural, elec engineers)
113 Administration

201 Lead Technician On-Site
202 Assistant Technician On-Site
203 Per Diem
204 Travel Expenses
205 Reimbursable Expense
206 On-Site Project Manager
207 Lead Technician Travel Day
208 Assistant Technician Travel Day

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