Start with the site
For facility teams, trustees and administrators planning solar across one building or a campus.
Read the campus calendar alongside the bills
A school may use most of its electricity during teaching hours and much less during vacations. Hostels can add evening demand. Hospitals may operate continuously while individual departments follow different schedules. These patterns change the useful size and value of a rooftop system.
Collect bills for each relevant connection and identify which buildings share a meter. Available roof area alone cannot show which loads the proposed plant will serve. If the campus plans new laboratories, cooling equipment or buildings, include those changes in the assessment.
Keep everyday access working
A rooftop can also hold water tanks, equipment, emergency access or areas used by staff. Solar layouts need clear maintenance routes and room for existing services. The survey should record shading from neighbouring buildings and trees, roof condition, drainage and cable routes.
Agree working hours, access supervision and material storage before installation. At occupied schools and healthcare facilities, the work plan should address how crews reach the roof and electrical rooms without disrupting essential circulation and services.
Make the decision easy to review
An institutional proposal should state the buildings covered, connection arrangement, equipment scope, responsibilities and assumptions behind generation estimates. A phased approach can be useful when roofs or budgets become available at different times, but each phase needs a workable electrical design.
For committee review, request a clear comparison and a documented handover list. Nominate the staff member who will receive monitoring access, maintenance instructions and service contacts. Backup for critical equipment is a separate design decision from reducing daytime electricity purchases.