Green Energy Inc. is a renewable energy company considering investing in a solar power project. The project requires an initial investment of $3,000,000 and is expected to generate annual cash flows of $700,000 for the next ten years. The company's cost of capital is 8%.

Develop a comprehensive financial model, including net present value (NPV), internal rate of return (IRR), and sensitivity analysis, to assess the financial viability and long-term profitability of the solar power project for Green Energy Inc.