Buzz Solutions has raised $20 million in an oversubscribed Series A funding round as utilities look for faster ways to inspect, maintain, and strengthen increasingly complex energy infrastructure. S3 Ventures led the round, with significant follow-on investment from GoPoint Ventures. Existing investors HearstLab and Blackhorn Ventures also participated. Buzz Solutions said the capital will support product development, expansion of its go-to-market team, and deeper deployments with utility…